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2021 GMC Sierra 3500 HD
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Valves, Valve Covers & Valvetrain
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4 Products found

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  • OEM (Genuine) 2021 GMC Sierra 3500 HD Valve Cover

    PartNumber: 12665407
    OEM 2021 GMC Sierra 3500 HD Valve Cover - 12665407
    Product Specifications
    • 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 3500 HD Valve Cover
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $67.09 MSRP: $106.54
    You Save: $39.45 (38%)
  • OEM (Genuine) 2021 GMC Sierra 3500 HD Valve Cover

    PartNumber: 12680249
    OEM 2021 GMC Sierra 3500 HD Valve Cover - 12680249
    Product Specifications
    • Notes: Silverado, Sierra 3500 Hd; Right; 6.6 Liter Diesel, Upper Components
    • 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 3500 HD Valve Cover
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $118.29 MSRP: $187.82
    You Save: $69.53 (38%)
  • OEM (Genuine) 2021 GMC Sierra 3500 HD Valve Cover

    PartNumber: 12677065
    OEM 2021 GMC Sierra 3500 HD Valve Cover - 12677065
    Product Specifications
    • Notes: Silverado, Sierra 3500 Hd; Left; 6.6 Liter Diesel, Upper Components
    • 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 3500 HD Valve Cover
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $116.94 MSRP: $185.66
    You Save: $68.72 (38%)
  • OEM (Genuine) 2021 GMC Sierra 3500 HD Valve Cover

    PartNumber: 12689124
    OEM 2021 GMC Sierra 3500 HD Valve Cover - 12689124
    Product Specifications
    • 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 3500 HD Valve Cover
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $64.83 MSRP: $107.31
    You Save: $42.48 (40%)