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  2. Auto Parts
  3. Body Components
  4. Horns
  5. OE Replacement Horn
  6. ACDelco D1978D for 2004

ACDelco D1978D OE Replacement Horn
for 2004 (please select make/model)

ACDelco D1978D OE Replacement Horn - 2004

ACDelco
Brand:ACDelco
Part Number: D1978D
UPC: 021625893020
Weight: 1 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco D1978D OE Replacement Horn for your 2004. Buy now and secure your purchase online!

The ACDelco GM Original Equipment Replacement Horn is a GM-recommended replacement for your vehicles original component. Activated within your vehicles steering wheel, the Original Equipment Replacement Horn will make an audible noise at the front of your vehicle to signal or alert other drivers. This original equipment replacement horn has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Through our GM Original Equipment and Professional, premium aftermarket product lines, we provide ignition system and switch products for all models of GM vehicles on the road today. With ACDelco Ignition System and Switch products you can rest assured that your vehicle is receiving high quality parts engineered for long lasting performance, durability, and dependability.

Get the GM quality you know and trust with ACDelco GM Original Equipment Ignition System and Switch products. Stay with the brand of parts your General Motors vehicle came with and get peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. ACDelco GM Original Equipment Ignition System and Switch products are engineered for all models of GM vehicles on the road today.

Features and Benefits:

  • GM-recommended replacement part for your GM vehicles original factory component
  • Manufactured to GM OE specification for fit, form, and function
  • Offering the quality, reliability, and durability of GM OE
  • Having your service technician regularly inspect your ignition system can help you stay away from conditions that may result in poor performance or reduced fuel economy.

Specifications:

Connector Quantity:
1
Decibel Rating:
105
Mount Type:
Bolt On With Bracket
Mounting Bracket Included:
Yes
Mounting Hardware Included:
Yes
Terminal Quantity:
2
Terminal Type:
Pin
Voltage:
12 Volts (Direct Current)

Manufacturer Warranty:

24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details.

Select a vehicle to narrow ACDelco D1978D OE Replacement Horn fitment info!

Last Updated: 11/05/2018

Years Vehicle Per Vehicle Position Fit NotesFitment Notes
Showing 100 fitments from page 2 of 2

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 
GMC Savana 1500

5.3L V8 Gas OHV
1
 		 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HORNS(U05)
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
RWD
 

GMC Savana 1500



5.3L V8 Gas OHV GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HORNS(U05)
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
RWD

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
GMC Savana 2500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV
1
 		 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HORNS(U05)
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
AWD
 

GMC Savana 2500



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HORNS(U05)
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
AWD

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
GMC Savana 2500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV
1
 		 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HORNS(U05)
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
RWD
 

GMC Savana 2500



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HORNS(U05)
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
RWD

1 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 
GMC Savana 3500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV
1
 		 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HORNS(U05)
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

GMC Savana 3500



4.8L V8 Gas OHV,
6.0L V8 Gas OHV GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HORNS(U05)
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
GMC Savana 3500

6.0L V8 CNG OHV
1
 		 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HORNS(U05)
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

GMC Savana 3500



6.0L V8 CNG OHV GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HORNS(U05)
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2006

 

2005

 

2004

 

2006

 

2005

 

2004

 
GMC Sierra 1500

4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors
 

GMC Sierra 1500



4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2006

 

2005

 

2004

 
GMC Sierra 1500

4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors
 

GMC Sierra 1500



4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors
 

GMC Sierra 1500



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors
 

GMC Sierra 1500



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors
 

GMC Sierra 1500



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors
 

GMC Sierra 1500



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors

1 Per Vehicle

2004

 

2004

 
GMC Sierra 1500

4.3L V6 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors
 

GMC Sierra 1500



4.3L V6 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors

1 Per Vehicle

2004

 

2004

 
GMC Sierra 1500

4.3L V6 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors
 

GMC Sierra 1500



4.3L V6 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors

1 Per Vehicle

2004

 

2004

 
GMC Sierra 2500

6.0L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors
 

GMC Sierra 2500



6.0L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors

1 Per Vehicle

2004

 

2004

 
GMC Sierra 2500

6.0L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors
 

GMC Sierra 2500



6.0L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors

1 Per Vehicle

2004

 

2004

 
GMC Sierra 2500

6.0L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors
 

GMC Sierra 2500



6.0L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors

1 Per Vehicle

2004

 

2004

 
GMC Sierra 2500

6.0L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors
 

GMC Sierra 2500



6.0L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
GMC Sierra 2500

6.0L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors
 

GMC Sierra 2500



6.0L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
GMC Sierra 2500

6.0L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors
 

GMC Sierra 2500



6.0L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
GMC Sierra 2500

6.0L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors
 

GMC Sierra 2500



6.0L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors

1 Per Vehicle

2004

 

2003

 

2004

 

2003

 
GMC Sierra 2500

6.0L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors
 

GMC Sierra 2500



6.0L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors
 

GMC Sierra 3500



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors
 

GMC Sierra 3500



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors
 

GMC Sierra 3500



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors
 

GMC Sierra 3500



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors
 

GMC Sierra 3500



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors
 

GMC Sierra 3500



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors
 

GMC Sierra 3500



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors
 

GMC Sierra 3500



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors
 

GMC Sierra 3500



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors
 

GMC Sierra 3500



6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors
 

GMC Sierra 3500



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors
 

GMC Sierra 3500



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors
 

GMC Sierra 3500



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors
 

GMC Sierra 3500



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors
 

GMC Sierra 3500



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
COMFORT & CONVENIENCE PKG #3(YE9)
EXCEPT DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors
 

GMC Sierra 3500



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
2 Doors

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors
 

GMC Sierra 3500



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Cab & Chassis
4 Doors

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors
 

GMC Sierra 3500



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Crew Cab Pickup
4 Doors

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors
 

GMC Sierra 3500



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Extended Cab Pickup
4 Doors

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
GMC Sierra 3500

6.0L V8 CNG OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors
 

GMC Sierra 3500



6.0L V8 CNG OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
DUAL HIGH NOTE HORN(7Z1)
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
Standard Cab Pickup
2 Doors

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
GMC Sonoma

4.3L V6 Gas OHV
1
 
Left (Driver)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

GMC Sonoma



4.3L V6 Gas OHV

Left (Driver) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Yukon

4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

GMC Yukon



4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Yukon XL 1500

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

GMC Yukon XL 1500



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC Yukon XL 2500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

GMC Yukon XL 2500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MUST ORDER HORN SHIELD 89046906 T/W HORN KIT 89046917 WHEN SERVICING ALL C/K VEH PRODUCED STARTING IN 99 MODEL YEAR AND AFTER
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
Isuzu Ascender

4.2L L6 Gas DOHC
1
 		 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

Isuzu Ascender



4.2L L6 Gas DOHC GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
Isuzu Ascender

5.3L V8 Gas OHV
1
 		 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

Isuzu Ascender



5.3L V8 Gas OHV GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
Oldsmobile Alero

2.2L L4 Gas DOHC
1
 		 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

Oldsmobile Alero



2.2L L4 Gas DOHC GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 
Oldsmobile Alero

3.4L V6 Gas OHV
1
 		 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

Oldsmobile Alero



3.4L V6 Gas OHV GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
Oldsmobile Bravada

4.2L L6 Gas DOHC
1
 		 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

Oldsmobile Bravada



4.2L L6 Gas DOHC GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
Oldsmobile Silhouette

3.4L V6 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
AWD
 

Oldsmobile Silhouette



3.4L V6 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
AWD

1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
Oldsmobile Silhouette

3.4L V6 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
FWD
 

Oldsmobile Silhouette



3.4L V6 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
FWD

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2005

 

2004

 

2003

 

2002

 

2001

 
Pontiac Aztek

3.4L V6 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
AWD
 

Pontiac Aztek



3.4L V6 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
AWD

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2005

 

2004

 

2003

 

2002

 

2001

 
Pontiac Aztek

3.4L V6 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
FWD
 

Pontiac Aztek



3.4L V6 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
FWD

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
Pontiac Bonneville

4.6L V8 Gas DOHC
1
 		 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

Pontiac Bonneville



4.6L V8 Gas DOHC GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 
Pontiac Bonneville

3.8L V6 Gas OHV
1
 		 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

Pontiac Bonneville



3.8L V6 Gas OHV GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
Pontiac Grand Am

2.2L L4 Gas DOHC
1
 		 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

Pontiac Grand Am



2.2L L4 Gas DOHC GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 
Pontiac Grand Am

3.4L V6 Gas OHV
1
 		 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
 

Pontiac Grand Am



3.4L V6 Gas OHV GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET

1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
Pontiac Montana

3.4L V6 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
AWD
 

Pontiac Montana



3.4L V6 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
AWD

1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
Pontiac Montana

3.4L V6 Gas OHV
1
 
Right (Passenger)
 
GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
FWD
 

Pontiac Montana



3.4L V6 Gas OHV

Right (Passenger) GM Original Equipment--Reman=No-US ACD=Y-Can ACD=Y-
MAY REQUIRE 19116451 WIRE, INCLUDES 485 HZ HORN AND BRACKET
FWD

1 Per Vehicle

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