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2021 GMC Sierra 2500 HD

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ACDelco 12688186 Engine Cylinder Head Gasket
for 2021 GMC Sierra 2500 HD

ACDelco 12688186 Engine Cylinder Head Gasket - 2021 GMC Sierra 2500 HD Image 1
ACDelco 12688186 Engine Cylinder Head Gasket - 2021 GMC Sierra 2500 HD Image 2
ACDelco 12688186 Engine Cylinder Head Gasket - 2021 GMC Sierra 2500 HD

ACDelco
Brand:ACDelco
Part Number: 12688186
UPC: 00193468078466
Weight: 0.91 lbs
Condition:New



On Sale:

$80.82

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

Product Information

Description:

Get the ACDelco 12688186 Engine Cylinder Head Gasket for your 2021 GMC Sierra 2500 HD. Buy now and secure your purchase online!

ACDelco GM Original Equipment Engine Cylinder Head Gasket is a GM-recommended replacement component for one or more of the following vehicle systems: engine - mechanical. This original equipment gasket will provide 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:

  • GM-recommended replacement part for your GM vehicle's original factory component
  • Manufactured to GM OE specification for fit, form, and function
  • Offering the quality, reliability, and durability of GM OE

Specifications:

Configuration:
One Piece
Cylinder Bore Diameter:
104 mm
Cylinder Bore Diameter:
4.09 in.
Face Width:
19.47 in.
Face Width:
494.64 mm
Gasket Sealant Included:
No
Height (in):
0.2 in
Length (in):
21.5 in
Material:
Multi Layer Steel
O-Ring Color:
Red
O-Ring Inside Diameter:
109.7 mm
O-Ring Inside Diameter:
4.32 in.
O-Ring Outside Diameter:
4.23 in.
O-Ring Rim Shape:
Round
O-Ring Thickness:
0.05 in.
Programming Required:
No
Thickness:
0.05 in.
Thickness:
1.33 mm
Weight (lb):
0.91 lb
Width (in):
8.6 in
Country of Origin:
US

ACDelco 12688186 Engine Cylinder Head Gasket compatibility with your 2021 GMC Sierra 2500 HD...

Last Updated: 05/04/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

2024

 

2023

 

2022

 

2021

 

2024

 

2023

 

2022

 

2021

 
GMC Sierra 2500 HD

6.6L V8 Flex OHV
2
 
Eng: L8T
8th VIN Digit: 7
 

GMC Sierra 2500 HD



6.6L V8 Flex OHV Eng: L8T
8th VIN Digit: 7

2 Per Vehicle

2024

 

2023

 

2022

 

2021

 

2020

 

2024

 

2023

 

2022

 

2021

 

2020

 
GMC Sierra 2500 HD

6.6L V8 Gas OHV
2
 
Eng: L8T
8th VIN Digit: 7
 

GMC Sierra 2500 HD



6.6L V8 Gas OHV Eng: L8T
8th VIN Digit: 7

2 Per Vehicle

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