Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
My Vehicle Change Vehicle
2021 GMC Sierra 2500 HD
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Valves, Valve Covers & Valvetrain
  • Department
  • Prices

4 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) 2021 GMC Sierra 2500 HD Valve Cover

    PartNumber: 12665407
    OEM 2021 GMC Sierra 2500 HD Valve Cover - 12665407
    Product Specifications
    • Notes: 6.6 Liter Gas; Silverado, Sierra 2500 Hd; Right
    • Location: Passenger Side
    • Other Names: Valve Cover
    • Item Dimensions: 22.8 x 6.5 x 6.8 inches
    • Item Weight: 4.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12727455
    • Part Description: 2021 GMC Sierra 2500 HD Valve Cover
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $64.35 MSRP: $106.54
    You Save: $42.19 (40%)
  • OEM (Genuine) 2021 GMC Sierra 2500 HD Valve Cover

    PartNumber: 12680249
    OEM 2021 GMC Sierra 2500 HD Valve Cover - 12680249
    Product Specifications
    • Notes: 6.6 Liter Diesel, Upper Components; Silverado, Sierra 2500 Hd; Right
    • Location: Passenger Side
    • Other Names: Valve Cover
    • Item Dimensions: 20.8 x 9.2 x 5.0 inches
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 2500 HD Valve Cover
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $115.19 MSRP: $182.89
    You Save: $67.70 (38%)
  • OEM (Genuine) 2021 GMC Sierra 2500 HD Valve Cover

    PartNumber: 12677065
    OEM 2021 GMC Sierra 2500 HD Valve Cover - 12677065
    Product Specifications
    • Notes: 6.6 Liter Diesel, Upper Components; Silverado, Sierra 2500 Hd; Left
    • Location: Driver Side
    • Other Names: Valve Cover
    • Item Dimensions: 30.0 x 14.4 x 7.0 inches
    • Item Weight: 7.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12677064
    • Part Description: 2021 GMC Sierra 2500 HD Valve Cover
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $113.87 MSRP: $180.78
    You Save: $66.91 (38%)
  • OEM (Genuine) 2021 GMC Sierra 2500 HD Valve Cover

    PartNumber: 12689124
    OEM 2021 GMC Sierra 2500 HD Valve Cover - 12689124
    Product Specifications
    • Notes: 6.6 Liter Gas; Silverado, Sierra 2500 Hd; Left
    • Location: Driver Side
    • Other Names: Valve Cover
    • Item Dimensions: 20.6 x 6.1 x 4.5 inches
    • Fitment Type: Direct Replacement
    • Replaced by: 12723317
    • Part Description: 2021 GMC Sierra 2500 HD Valve Cover
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $64.83 MSRP: $107.31
    You Save: $42.48 (40%)