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2021 Chevrolet Silverado 3500 HD

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ACDelco 84677779 Alternator
for 2021 Chevrolet Silverado 3500 HD

ACDelco 84677779 Alternator - 2021 Chevrolet Silverado 3500 HD Image 1
ACDelco 84677779 Alternator - 2021 Chevrolet Silverado 3500 HD Image 2
ACDelco 84677779 Alternator - 2021 Chevrolet Silverado 3500 HD Image 3
ACDelco 84677779 Alternator - 2021 Chevrolet Silverado 3500 HD

ACDelco
Brand:ACDelco
Part Number: 84677779
UPC: 00193468086898
Weight: 14.33 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 84677779 Alternator for your 2021 Chevrolet Silverado 3500 HD. Buy now and secure your purchase online!

ACDelco GM Original Equipment Light Duty Alternators have components that are newly manufactured, and are GM-recommended replacement for your vehicle's original alternator. Alternators provide power to the vehicle's electrical systems and charge the battery while the engine is running. These original equipment alternators have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • 100% newly manufactured as an exact replacement for your GM vehicle's original alternator
  • Components are tested to meet original specification requirements for remarkable durability
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Manufactured to GM OE specifications for fit, form, and function
  • Offering the quality, reliability, and durability of GM OE

Specifications:

AC Service Tap:
No
Amperage Rating:
170 Ampere
Brushless:
No
Decoupled Or Clutch Pulley:
Yes
External Fan Included:
No
External Regulator Included:
No
Fan Type:
Internal
Ground Type:
Negative
Height (in):
10.25 in
Length (in):
13.88 in
Mounting Type:
Front Mount
Plug Clock Rear View Main Mounting Ear at 6 O Clock:
11
Programming Required:
No
Pulley Belt Type:
Serpentine
Pulley Groove Quantity:
6
Pulley Included:
Yes
Pulley Outside Diameter (in):
2.57 in
Pulley Outside Diameter (mm):
65.2 mm
Regulator Type:
Internal
Rotation Direction:
Clockwise
Terminal Quantity:
2
Voltage:
12 VDC
Weight (lb):
14.33 lb
Width (in):
13.25 in

Features and Benefits:

  • – It is also important that all electrical connections are kept clean and firmly attached, which will make sure the battery is being properly charged by the alternator.
  • – There is a cooling fan in most alternators to keep it from overheating. Making sure that the fan is clean will help the fan and alternator run properly.

Specifications:

Country of Origin:
US

ACDelco 84677779 Alternator compatibility with your 2021 Chevrolet Silverado 3500 HD...

Last Updated: 05/30/2023

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Chevrolet Silverado 3500 HD

6.6L V8 Diesel OHV Turbo
1
 
Auxiliary
 
GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L5P
8th VIN Digit: Y
Cab & Chassis
2 Doors
 

Chevrolet Silverado 3500 HD



6.6L V8 Diesel OHV Turbo

Auxiliary GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L5P
8th VIN Digit: Y
Cab & Chassis
2 Doors

1 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Chevrolet Silverado 3500 HD

6.6L V8 Diesel OHV Turbo
1
 
Auxiliary
 
GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L5P
8th VIN Digit: Y
Cab & Chassis
4 Doors
 

Chevrolet Silverado 3500 HD



6.6L V8 Diesel OHV Turbo

Auxiliary GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L5P
8th VIN Digit: Y
Cab & Chassis
4 Doors

1 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Chevrolet Silverado 3500 HD

6.6L V8 Diesel OHV Turbo
1
 
Auxiliary
 
GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L5P
8th VIN Digit: Y
Crew Cab Pickup
4 Doors
 

Chevrolet Silverado 3500 HD



6.6L V8 Diesel OHV Turbo

Auxiliary GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L5P
8th VIN Digit: Y
Crew Cab Pickup
4 Doors

1 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Chevrolet Silverado 3500 HD

6.6L V8 Diesel OHV Turbo
1
 
Auxiliary
 
GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L5P
8th VIN Digit: Y
Extended Cab Pickup
4 Doors
 

Chevrolet Silverado 3500 HD



6.6L V8 Diesel OHV Turbo

Auxiliary GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L5P
8th VIN Digit: Y
Extended Cab Pickup
4 Doors

1 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Chevrolet Silverado 3500 HD

6.6L V8 Diesel OHV Turbo
1
 
Auxiliary
 
GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L5P
8th VIN Digit: Y
Standard Cab Pickup
2 Doors
 

Chevrolet Silverado 3500 HD



6.6L V8 Diesel OHV Turbo

Auxiliary GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L5P
8th VIN Digit: Y
Standard Cab Pickup
2 Doors

1 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Chevrolet Silverado 3500 HD

6.6L V8 Gas OHV
1
 
Auxiliary
 
GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L8T
8th VIN Digit: 7
Cab & Chassis
2 Doors
 

Chevrolet Silverado 3500 HD



6.6L V8 Gas OHV

Auxiliary GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L8T
8th VIN Digit: 7
Cab & Chassis
2 Doors

1 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Chevrolet Silverado 3500 HD

6.6L V8 Gas OHV
1
 
Auxiliary
 
GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L8T
8th VIN Digit: 7
Cab & Chassis
4 Doors
 

Chevrolet Silverado 3500 HD



6.6L V8 Gas OHV

Auxiliary GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L8T
8th VIN Digit: 7
Cab & Chassis
4 Doors

1 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Chevrolet Silverado 3500 HD

6.6L V8 Gas OHV
1
 
Auxiliary
 
GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L8T
8th VIN Digit: 7
Crew Cab Pickup
4 Doors
 

Chevrolet Silverado 3500 HD



6.6L V8 Gas OHV

Auxiliary GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L8T
8th VIN Digit: 7
Crew Cab Pickup
4 Doors

1 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Chevrolet Silverado 3500 HD

6.6L V8 Gas OHV
1
 
Auxiliary
 
GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L8T
8th VIN Digit: 7
Extended Cab Pickup
4 Doors
 

Chevrolet Silverado 3500 HD



6.6L V8 Gas OHV

Auxiliary GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L8T
8th VIN Digit: 7
Extended Cab Pickup
4 Doors

1 Per Vehicle

2023

 

2022

 

2021

 

2020

 

2023

 

2022

 

2021

 

2020

 
Chevrolet Silverado 3500 HD

6.6L V8 Gas OHV
1
 
Auxiliary
 
GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L8T
8th VIN Digit: 7
Standard Cab Pickup
2 Doors
 

Chevrolet Silverado 3500 HD



6.6L V8 Gas OHV

Auxiliary GM Original Equipment
DUAL 170 AMP & 220 AMP GENERATOR(KHF)
Eng: L8T
8th VIN Digit: 7
Standard Cab Pickup
2 Doors

1 Per Vehicle

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