ACDelco 84526545 Headlight Switch
for 2021 GMC Sierra 3500 HD

ACDelco 84526545 Headlight Switch - 2021 GMC Sierra 3500 HD Image 1

ACDelco 84526545 Headlight Switch - 2021 GMC Sierra 3500 HD Image 2

ACDelco 84526545 Headlight Switch - 2021 GMC Sierra 3500 HD Image 3

ACDelco 84526545 Headlight Switch - 2021 GMC Sierra 3500 HD


Brand:	ACDelco
Part Number:	84526545
UPC:	193468085853
Weight:	2.57 lbs
Condition:	New

Availability:	0 in Stock
	OUT OF STOCK

Product Information

Description:

Get the ACDelco 84526545 Headlight Switch for your 2021 GMC Sierra 3500 HD. Buy now and secure your purchase online!

GM Genuine Parts Headlight Switches are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

Collision parts are designed to help promote proper and safe repair
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM regularly updates production and service part designs to integrate new materials and technologies
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Specifications:

Color:

Jet Black

Connector Gender:

Female

Connector Quantity:

Knob Included:

Yes

Mounting Position:

Vertical

Programming Required:

Switch Mounting Type:

Push On

Switch Position Quantity:

Switch Type:

Rotary

Terminal Gender:

Male

Terminal Quantity:

Terminal Type:

Voltage:

12 VDC

Country of Origin:

ACDelco 84526545 Headlight Switch compatibility with your 2021 GMC Sierra 3500 HD...

Last Updated: 05/04/2024

Years

Vehicle

Per Vehicle

Fit Notes

Fitment Notes

2023

2022

2021

2023

2022

2021

GMC Sierra 3500 HD

6.6L V8 Flex OHV

1 EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
2 Doors

GMC Sierra 3500 HD

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
2 Doors

1 Per Vehicle

2023

2022

2021

2023

2022

2021

GMC Sierra 3500 HD

6.6L V8 Flex OHV

1 EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
4 Doors

GMC Sierra 3500 HD

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
4 Doors

1 Per Vehicle

2023

2022

2021

2023

2022

2021

GMC Sierra 3500 HD

6.6L V8 Flex OHV

1 EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Crew Cab Pickup
4 Doors

GMC Sierra 3500 HD

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Crew Cab Pickup
4 Doors

1 Per Vehicle

2023

2022

2021

2023

2022

2021

GMC Sierra 3500 HD

6.6L V8 Flex OHV

1 EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Extended Cab Pickup
4 Doors

GMC Sierra 3500 HD

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Extended Cab Pickup
4 Doors

1 Per Vehicle

2023

2022

2021

2023

2022

2021

GMC Sierra 3500 HD

6.6L V8 Flex OHV

1 EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Standard Cab Pickup
2 Doors

GMC Sierra 3500 HD

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Standard Cab Pickup
2 Doors

1 Per Vehicle

2023

2022

2021

2020

2023

2022

2021

2020

GMC Sierra 3500 HD

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

1 EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
2 Doors

GMC Sierra 3500 HD

6.6L V8 Diesel OHV Turbo,
6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
2 Doors

1 Per Vehicle

2023

2022

2021

2020

2023

2022

2021

2020

GMC Sierra 3500 HD

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

1 EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
4 Doors

GMC Sierra 3500 HD

6.6L V8 Diesel OHV Turbo,
6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
4 Doors

1 Per Vehicle

2023

2022

2021

2020

2023

2022

2021

2020

GMC Sierra 3500 HD

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

1 EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Crew Cab Pickup
4 Doors

GMC Sierra 3500 HD

6.6L V8 Diesel OHV Turbo,
6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Crew Cab Pickup
4 Doors

1 Per Vehicle

2023

2022

2021

2020

2023

2022

2021

2020

GMC Sierra 3500 HD

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

1 EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Extended Cab Pickup
4 Doors

GMC Sierra 3500 HD

6.6L V8 Diesel OHV Turbo,
6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Extended Cab Pickup
4 Doors

1 Per Vehicle

2023

2022

2021

2020

2023

2022

2021

2020

GMC Sierra 3500 HD

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

1 EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Standard Cab Pickup
2 Doors

GMC Sierra 3500 HD

6.6L V8 Diesel OHV Turbo,
6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Standard Cab Pickup
2 Doors

1 Per Vehicle

Didn't find a match for your vehicle?

See Other Choices

2021 GMC Sierra 3500 HD

ACDelco 84526545 Headlight Switchfor 2021 GMC Sierra 3500 HD

Product Information

Description:

Features and Benefits:

Specifications:

ACDelco 84526545 Headlight Switch compatibility with your 2021 GMC Sierra 3500 HD...

2021

2021

GMC Sierra 3500 HD 6.6L V8 Flex OHV

1

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Cab & Chassis2 Doors

GMC Sierra 3500 HD

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Cab & Chassis2 Doors 1 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Flex OHV

1

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Cab & Chassis4 Doors

GMC Sierra 3500 HD

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Cab & Chassis4 Doors 1 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Flex OHV

1

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Crew Cab Pickup4 Doors

GMC Sierra 3500 HD

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Crew Cab Pickup4 Doors 1 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Flex OHV

1

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Extended Cab Pickup4 Doors

GMC Sierra 3500 HD

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Extended Cab Pickup4 Doors 1 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Flex OHV

1

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Standard Cab Pickup2 Doors

GMC Sierra 3500 HD

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Standard Cab Pickup2 Doors 1 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Diesel OHV Turbo,6.6L V8 Gas OHV

1

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Cab & Chassis2 Doors

GMC Sierra 3500 HD

6.6L V8 Diesel OHV Turbo,6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Cab & Chassis2 Doors 1 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Diesel OHV Turbo,6.6L V8 Gas OHV

1

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Cab & Chassis4 Doors

GMC Sierra 3500 HD

6.6L V8 Diesel OHV Turbo,6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Cab & Chassis4 Doors 1 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Diesel OHV Turbo,6.6L V8 Gas OHV

1

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Crew Cab Pickup4 Doors

GMC Sierra 3500 HD

6.6L V8 Diesel OHV Turbo,6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Crew Cab Pickup4 Doors 1 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Diesel OHV Turbo,6.6L V8 Gas OHV

1

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Extended Cab Pickup4 Doors

GMC Sierra 3500 HD

6.6L V8 Diesel OHV Turbo,6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Extended Cab Pickup4 Doors 1 Per Vehicle

2021

2021

GMC Sierra 3500 HD 6.6L V8 Diesel OHV Turbo,6.6L V8 Gas OHV

1

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Standard Cab Pickup2 Doors

GMC Sierra 3500 HD

6.6L V8 Diesel OHV Turbo,6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)Standard Cab Pickup2 Doors 1 Per Vehicle

Didn't find a match for your vehicle?

ACDelco 84526545 Headlight Switch
for 2021 GMC Sierra 3500 HD

GMC Sierra 3500 HD

6.6L V8 Flex OHV

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
2 Doors

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
2 Doors

1 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Flex OHV

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
4 Doors

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
4 Doors

1 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Flex OHV

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Crew Cab Pickup
4 Doors

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Crew Cab Pickup
4 Doors

1 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Flex OHV

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Extended Cab Pickup
4 Doors

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Extended Cab Pickup
4 Doors

1 Per Vehicle

GMC Sierra 3500 HD

6.6L V8 Flex OHV

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Standard Cab Pickup
2 Doors

6.6L V8 Flex OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Standard Cab Pickup
2 Doors

1 Per Vehicle

GMC Sierra 3500 HD

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

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
2 Doors

6.6L V8 Diesel OHV Turbo,
6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
2 Doors

1 Per Vehicle

GMC Sierra 3500 HD

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

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
4 Doors

6.6L V8 Diesel OHV Turbo,
6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Cab & Chassis
4 Doors

1 Per Vehicle

GMC Sierra 3500 HD

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

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Crew Cab Pickup
4 Doors

6.6L V8 Diesel OHV Turbo,
6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Crew Cab Pickup
4 Doors

1 Per Vehicle

GMC Sierra 3500 HD

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

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Extended Cab Pickup
4 Doors

6.6L V8 Diesel OHV Turbo,
6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Extended Cab Pickup
4 Doors

1 Per Vehicle

GMC Sierra 3500 HD

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

EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Standard Cab Pickup
2 Doors

6.6L V8 Diesel OHV Turbo,
6.6L V8 Gas OHV EXCEPT FRONT FOG LAMP(T3U), EXTERIOR TASK LAMP OUTSIDE REAR VIEW MIRROR(U12)
Standard Cab Pickup
2 Doors

1 Per Vehicle