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2021 GMC Sierra 2500 HD

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ACDelco 12676859 Engine Cylinder Head Gasket
for 2021 GMC Sierra 2500 HD 6.6L V8 Diesel OHV Turbo

ACDelco

 
Brand:ACDelco
Part Number: 12676859
UPC: 808709831907
Weight: 1.05 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 12676859 Engine Cylinder Head Gasket for your 2021 GMC Sierra 2500 HD. Buy now and secure your purchase online!

GM Genuine Parts Engine Cylinder Head Gasket 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:

  • 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:

Configuration:
One Piece
Cylinder Bore Diameter:
105.66 mm
Cylinder Bore Diameter:
4.16 in.
Face Width:
20.65 in.
Face Width:
524.5 mm
Gasket Sealant Included:
No
Material:
Multi Layer Steel
O-Ring Color:
Gray
O-Ring Inside Diameter:
111.7 mm
O-Ring Inside Diameter:
4.4 in.
O-Ring Outside Diameter:
4.59 in.
O-Ring Rim Shape:
Round
Thickness:
0.05 in.
Thickness:
1.3 mm
Country of Origin:
MX

ACDelco 12676859 Engine Cylinder Head Gasket compatibility with your 2021 GMC Sierra 2500 HD...

Last Updated: 02/04/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

2022

 

2021

 

2020

 

2022

 

2021

 

2020

 
GMC Sierra 2500 HD

6.6L V8 Diesel OHV Turbo
2
 
SINGLE USE
GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
GRADE C)(NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
1.05+/- 0.050 MM
Eng: L5P
8th VIN Digit: Y
 

GMC Sierra 2500 HD



6.6L V8 Diesel OHV Turbo SINGLE USE
GRADE C, NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
GRADE C)(NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED
1.05+/- 0.050 MM
Eng: L5P
8th VIN Digit: Y

2 Per Vehicle

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