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Replacement and OEM Parts for 2021 GMC Sierra 3500 HD Belt Tensioner

2021 GMC Sierra 3500 HD Belt Tensioner

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2021 GMC Sierra 3500 HD
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Timing Belts, Chains, Cams & Related Parts
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  • OEM 2021 GMC Sierra 3500 HD Tensioner Kit-Timing Chain Diagram - 12630107
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Tensioner Kit-Timing Chain

    PartNumber: 12630107
    OEM 2021 GMC Sierra 3500 HD Tensioner Kit-Timing Chain - 12630107
    Product Specifications
    • Notes: Silverado, Sierra 3500 Hd
    • Other Names: Chain Tensioner, Tensioner, Timing Tensioner
    • Item Dimensions: 6.1 x 5.2 x 3.1 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Tensioner Kit-Timing Chain
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $39.73 MSRP: $59.28
    You Save: $19.55 (33%)
  • OEM 2021 GMC Sierra 3500 HD Serpentine Tensioner Diagram - 12654271
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Serpentine Tensioner

    PartNumber: 12654271
    OEM 2021 GMC Sierra 3500 HD Serpentine Tensioner - 12654271
    Product Specifications
    • Notes: 6.6 Liter Gas, W/O Dual Alternators; 6.6 Liter Gas, W/Dual Alternators; Silverado, Sierra 3500 Hd; Gas
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 8.2 x 6.1 x 5.1 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Serpentine Tensioner
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $43.20 MSRP: $71.52
    You Save: $28.32 (40%)
  • OEM 2021 GMC Sierra 3500 HD Serpentine Tensioner Diagram - 12673657
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Serpentine Tensioner

    PartNumber: 12673657
    OEM 2021 GMC Sierra 3500 HD Serpentine Tensioner - 12673657
    Product Specifications
    • Notes: 6.6 Liter Diesel, W/O Dual Alternators, Serpentine Belt; 6.6 Liter Diesel, W/Dual Alternators, Serpentine Belt; Silverado, Sierra 3500 Hd; Diesel; Main
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 8.2 x 5.2 x 5.1 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Serpentine Tensioner
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $44.30 MSRP: $73.30
    You Save: $29.00 (40%)
  • OEM 2021 GMC Sierra 3500 HD Serpentine Tensioner Diagram - 12700588
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Serpentine Tensioner

    PartNumber: 12700588
    OEM 2021 GMC Sierra 3500 HD Serpentine Tensioner - 12700588
    Product Specifications
    • Notes: 6.6 Liter Diesel, W/O Dual Alternators, Drive Belt; 6.6 Liter Diesel, W/Dual Alternators, Drive Belt; Silverado, Sierra 3500 Hd; Diesel; Accessory
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 6.8 x 4.3 x 4.2 inches
    • Item Weight: 2.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12735533
    • Part Description: 2021 GMC Sierra 3500 HD Serpentine Tensioner
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $39.58 MSRP: $65.52
    You Save: $25.94 (40%)