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2021 Chevrolet Silverado 2500 HD

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ACDelco 12678744 Starter Motor
for 2021 Chevrolet Silverado 2500 HD 6.6L V8 Diesel OHV Turbo

ACDelco 12678744 Starter Motor - 2021 Chevrolet Silverado 2500 HD Image 1
ACDelco 12678744 Starter Motor - 2021 Chevrolet Silverado 2500 HD Image 2
ACDelco 12678744 Starter Motor - 2021 Chevrolet Silverado 2500 HD

ACDelco
Brand:ACDelco
Part Number: 12678744
UPC: 00193468077049
Weight: 12.85 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 12678744 Starter Motor for your 2021 Chevrolet Silverado 2500 HD. Buy now and secure your purchase online!

GM Genuine Parts Starter Motors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These starters consist of a powerful motor coupled to the starter drive pinion. The starter drive pinion engages the engine flywheel to crank the engine. 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:

  • 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
  • Newly manufactured as an exact replacement for your GM vehicle's original starter
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Specifications:

Case Grounding:
Grounded Case
Gear Reduction Ratio:
116/9
Height (in):
10.25 in
Length (in):
13.88 in
Mounting Bolt Hole Quantity:
3
Mounting Hardware Included:
No
Mounting Shims Included:
No
Mounting Type:
Flange
Nose Cone Material:
Aluminum
Nose Cone Type:
Open Nose
Power Rating:
3.5 Kilowatts
Programming Required:
No
Solenoid Attached:
Yes
Starter Rotation:
Clockwise
Tooth Quantity:
9
Voltage:
12 VDC
Weight (lb):
12.85 lb
Width (in):
13.25 in
Country of Origin:
JP

ACDelco 12678744 Starter Motor compatibility with your 2021 Chevrolet Silverado 2500 HD...

Last Updated: 05/23/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes

2022

 

2021

 

2020

 

2022

 

2021

 

2020

 
Chevrolet Silverado 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: L5P
8th VIN Digit: Y
Crew Cab Pickup
4 Doors
 

Chevrolet Silverado 2500 HD



6.6L V8 Diesel OHV Turbo Eng: L5P
8th VIN Digit: Y
Crew Cab Pickup
4 Doors

1 Per Vehicle

2022

 

2021

 

2020

 

2022

 

2021

 

2020

 
Chevrolet Silverado 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: L5P
8th VIN Digit: Y
Extended Cab Pickup
4 Doors
 

Chevrolet Silverado 2500 HD



6.6L V8 Diesel OHV Turbo Eng: L5P
8th VIN Digit: Y
Extended Cab Pickup
4 Doors

1 Per Vehicle

2022

 

2021

 

2020

 

2022

 

2021

 

2020

 
Chevrolet Silverado 2500 HD

6.6L V8 Diesel OHV Turbo
1
 
Eng: L5P
8th VIN Digit: Y
Standard Cab Pickup
2 Doors
 

Chevrolet Silverado 2500 HD



6.6L V8 Diesel OHV Turbo Eng: L5P
8th VIN Digit: Y
Standard Cab Pickup
2 Doors

1 Per Vehicle

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