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2021 GMC Sierra 2500 HD

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ACDelco 12658178 Serpentine Belt
for 2021 GMC Sierra 2500 HD

ACDelco 12658178 Serpentine Belt - 2021 GMC Sierra 2500 HD Image 1
ACDelco 12658178 Serpentine Belt - 2021 GMC Sierra 2500 HD Image 2
ACDelco 12658178 Serpentine Belt - 2021 GMC Sierra 2500 HD

ACDelco
Brand:ACDelco
Part Number: 12658178
UPC: 00808709330370
Weight: 0.1 lbs
Condition:New



On Sale:

$56.43

Availability:
511 in Stock
Warehouse: US-4
Quantity:

Product Information

Description:

Get the ACDelco 12658178 Serpentine Belt for your 2021 GMC Sierra 2500 HD. Buy now and secure your purchase online!

ACDelco GM Original Equipment Serpentine Belts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These serpentine belts allows for the operation of various pulleys and drive belt accessories with the use of a single belt. The width and ribbed construction of the serpentine belt creates a secure point of contact with the pulley, which allows for traction. ACDelco GM Original Equipment parts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Allows for the operation of various pulleys, and drive belt accessories, with the use of a single belt
  • Creates a secure point of contact with the pulley, which allows for traction
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional

Specifications:

Belt Color:
Black
Belt Groove Quantity:
4
Belt Material:
Rubber
Belt Top Width (in):
0.568 in
Belt Top Width (mm):
14.44 mm
Belt Type:
Grooved
Effective Length:
34.92 in.
Effective Length:
887 mm
Height (in):
0.5 in
Length (ft):
12.8 ft
Programming Required:
No
Universal Or Specific Fit:
Specific
Weight (lb):
0.1 lb
Width (in):
7.5 in
Country of Origin:
MX

ACDelco 12658178 Serpentine Belt compatibility with your 2021 GMC Sierra 2500 HD...

Last Updated: 04/08/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

2022

 

2021

 

2022

 

2021

 
GMC Sierra 2500 HD

6.6L V8 Flex OHV
1
 
Air Conditioning
 
GM Original Equipment
Eng: L8T
8th VIN Digit: 7
 

GMC Sierra 2500 HD



6.6L V8 Flex OHV

Air Conditioning GM Original Equipment
Eng: L8T
8th VIN Digit: 7

1 Per Vehicle

2022

 

2021

 

2020

 

2022

 

2021

 

2020

 
GMC Sierra 2500 HD

6.6L V8 Gas OHV
1
 
Air Conditioning
 
GM Original Equipment
Eng: L8T
8th VIN Digit: 7
 

GMC Sierra 2500 HD



6.6L V8 Gas OHV

Air Conditioning GM Original Equipment
Eng: L8T
8th VIN Digit: 7

1 Per Vehicle

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