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Replacement and OEM Parts for 2021 Chevrolet Silverado 3500 HD Serpentine Belt Drive Kit

2021 Chevrolet Silverado 3500 HD Serpentine Belt Drive Kit

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2021 Chevrolet Silverado 3500 HD
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  • OEM 2021 Chevrolet Silverado 3500 HD Belt Kit-A/C Compressor Diagram - 12658178
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    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Belt Kit-A/C Compressor

    PartNumber: 12658178
    OEM 2021 Chevrolet Silverado 3500 HD Belt Kit-A/C Compressor - 12658178
    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: AC Belt
    • Item Dimensions: 10.1 x 9.6 x 3.6 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 Chevrolet Silverado 3500 HD Belt Kit-A/C Compressor
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS
    $54.14 MSRP: $89.84
    You Save: $35.70 (40%)
  • OEM 2021 Chevrolet Silverado 3500 HD Module Bolt Diagram - 11588725
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    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Module Bolt

    PartNumber: 11588725
    OEM 2021 Chevrolet Silverado 3500 HD Module Bolt - 11588725
    Product Specifications
    • Notes: 6.6 Liter Gas, Short
    • Item Dimensions: 2.2 x 1.2 x 0.8 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 Chevrolet Silverado 3500 HD Module Bolt
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS
    $4.54 MSRP: $7.19
    You Save: $2.65 (37%)
  • OEM 2021 Chevrolet Silverado 3500 HD Serpentine Idler Pulley Diagram - 12611935
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    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Serpentine Idler Pulley

    PartNumber: 12611935
    OEM 2021 Chevrolet Silverado 3500 HD Serpentine Idler Pulley - 12611935
    Product Specifications
    • Notes: 6.6 Liter Diesel, W/O Dual Alternators, Type 1; 6.6 Liter Diesel, W/Dual Alternators, Type 1; Silverado, Sierra 3500 Hd; Dual Alternator; Diesel; Lower; Right;Silverado, Sierra 3500 Hd; Dual Alternator; Diesel; Upper;Silverado, Sierra 3500 Hd; Single Alternator; Diesel; Lower;Silverado, Sierra 3500 Hd; Single Alternator; Diesel; Upper
    • Other Names: Idler Pulley, Serpentine Idler Pulley
    • Item Dimensions: 4.3 x 4.4 x 4.2 inches
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12581700
    • Part Description: 2021 Chevrolet Silverado 3500 HD Serpentine Idler Pulley
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
    $52.69 MSRP: $99.43
    You Save: $46.74 (48%)
  • OEM 2021 Chevrolet Silverado 3500 HD Serpentine Idler Pulley Diagram - 12695659
    View Related Parts

    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Serpentine Idler Pulley

    PartNumber: 12695659
    OEM 2021 Chevrolet Silverado 3500 HD Serpentine Idler Pulley - 12695659
    Product Specifications
    • Notes: 6.6 Liter Gas, W/O Dual Alternators; 6.6 Liter Gas, W/Dual Alternators, Smooth; Silverado, Sierra 3500 Hd; Dual Alternator; Gas; Upper;Silverado, Sierra 3500 Hd; Single Alternator; Gas
    • Location: Passenger Side
    • Other Names: Idler Pulley, Serpentine Idler Pulley
    • Item Dimensions: 5.0 x 4.6 x 4.4 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12605492
    • Part Description: 2021 Chevrolet Silverado 3500 HD Serpentine Idler Pulley
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS
    $22.06 MSRP: $41.65
    You Save: $19.59 (48%)
  • OEM 2021 Chevrolet Silverado 3500 HD Serpentine Tensioner Diagram - 12654271
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    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Serpentine Tensioner

    PartNumber: 12654271
    OEM 2021 Chevrolet Silverado 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 Chevrolet Silverado 3500 HD Serpentine Tensioner
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS
    $42.06 MSRP: $69.64
    You Save: $27.58 (40%)
  • OEM 2021 Chevrolet Silverado 3500 HD Idler Pulley Diagram - 12626075
    View Related Parts

    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Idler Pulley

    PartNumber: 12626075
    OEM 2021 Chevrolet Silverado 3500 HD Idler Pulley - 12626075
    Product Specifications
    • Other Names: Idler Pulley
    • Item Dimensions: 4.3 x 4.4 x 4.2 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12728996
    • Part Description: 2021 Chevrolet Silverado 3500 HD Idler Pulley
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
    $45.09 MSRP: $85.10
    You Save: $40.01 (48%)
  • OEM 2021 Chevrolet Silverado 3500 HD Idler Pulley Diagram - 12675951
    View Related Parts

    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Idler Pulley

    PartNumber: 12675951
    OEM 2021 Chevrolet Silverado 3500 HD Idler Pulley - 12675951
    Product Specifications
    • Other Names: Idler Pulley
    • Item Dimensions: 3.2 x 3.2 x 3.1 inches
    • Item Weight: 1.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12729057
    • Part Description: 2021 Chevrolet Silverado 3500 HD Idler Pulley
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS
    $54.97 MSRP: $103.75
    You Save: $48.78 (48%)
  • OEM 2021 Chevrolet Silverado 3500 HD Serpentine Tensioner Diagram - 12673657
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    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Serpentine Tensioner

    PartNumber: 12673657
    OEM 2021 Chevrolet Silverado 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 Chevrolet Silverado 3500 HD Serpentine Tensioner
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
    $43.13 MSRP: $71.37
    You Save: $28.24 (40%)
  • OEM 2021 Chevrolet Silverado 3500 HD Serpentine Belt Diagram - 12708561
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    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Serpentine Belt

    PartNumber: 12708561
    OEM 2021 Chevrolet Silverado 3500 HD Serpentine Belt - 12708561
    Product Specifications
    • Notes: 6.6 Liter Diesel, W/O Dual Alternators; Silverado, Sierra 3500 Hd; Diesel; Single Alternator
    • Other Names: Serpentine Belt
    • Fitment Type: Direct Replacement
    • Replaces: 12675892
    • Part Description: 2021 Chevrolet Silverado 3500 HD Serpentine Belt
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
    $24.70 MSRP: $44.73
    You Save: $20.03 (45%)
  • OEM 2021 Chevrolet Silverado 3500 HD Serpentine Belt Diagram - 12626077
    View Related Parts

    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Serpentine Belt

    PartNumber: 12626077
    OEM 2021 Chevrolet Silverado 3500 HD Serpentine Belt - 12626077
    Product Specifications
    • Notes: 6.6 Liter Gas, W/O Dual Alternators; Silverado, Sierra 3500 Hd; Gas; Single Alternator
    • Other Names: Serpentine Belt
    • Item Dimensions: 40.2 x 3.2 x 1.1 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12732503
    • Part Description: 2021 Chevrolet Silverado 3500 HD Serpentine Belt
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS
    $19.29 MSRP: $34.90
    You Save: $15.61 (45%)
  • OEM 2021 Chevrolet Silverado 3500 HD Serpentine Belt Diagram - 12654273
    View Related Parts

    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Serpentine Belt

    PartNumber: 12654273
    OEM 2021 Chevrolet Silverado 3500 HD Serpentine Belt - 12654273
    Product Specifications
    • Notes: 6.6 Liter Gas, W/Dual Alternators; Silverado, Sierra 3500 Hd; Gas; Dual Alternator
    • Other Names: Serpentine Belt
    • Item Dimensions: 28.0 x 3.4 x 0.9 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12732504
    • Part Description: 2021 Chevrolet Silverado 3500 HD Serpentine Belt
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS
    $22.27 MSRP: $40.32
    You Save: $18.05 (45%)
  • OEM 2021 Chevrolet Silverado 3500 HD Serpentine Belt Diagram - 12675892
    View Related Parts

    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Serpentine Belt

    PartNumber: 12675892
    OEM 2021 Chevrolet Silverado 3500 HD Serpentine Belt - 12675892
    Product Specifications
    • Other Names: Serpentine Belt
    • Item Dimensions: 6.1 x 3.4 x 1.1 inches
    • Item Weight: 0.70 Pounds
    • Replaced by: 12708561
    • Part Description: 2021 Chevrolet Silverado 3500 HD Serpentine Belt
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
    $24.70 MSRP: $44.73
    You Save: $20.03 (45%)
  • OEM 2021 Chevrolet Silverado 3500 HD Serpentine Belt Diagram - 12675893
    View Related Parts

    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Serpentine Belt

    PartNumber: 12675893
    OEM 2021 Chevrolet Silverado 3500 HD Serpentine Belt - 12675893
    Product Specifications
    • Other Names: Serpentine Belt
    • Item Dimensions: 6.2 x 3.4 x 1.0 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12732705
    • Part Description: 2021 Chevrolet Silverado 3500 HD Serpentine Belt
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
    $39.77 MSRP: $82.41
    You Save: $42.64 (52%)
  • OEM 2021 Chevrolet Silverado 3500 HD Water Pump Belt Diagram - 12675896
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    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Water Pump Belt

    PartNumber: 12675896
    OEM 2021 Chevrolet Silverado 3500 HD Water Pump Belt - 12675896
    Product Specifications
    • Notes: 6.6 Liter Diesel, W/O Dual Alternators; 6.6 Liter Diesel, W/Dual Alternators; Silverado, Sierra 3500 Hd; Diesel
    • Other Names: Drive Belt, Water Pump Belt
    • Item Dimensions: 6.3 x 3.4 x 1.0 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12732707
    • Part Description: 2021 Chevrolet Silverado 3500 HD Water Pump Belt
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
    $21.36 MSRP: $38.67
    You Save: $17.31 (45%)
  • OEM 2021 Chevrolet Silverado 3500 HD Idler Pulley Diagram - 12676231
    View Related Parts

    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Idler Pulley

    PartNumber: 12676231
    OEM 2021 Chevrolet Silverado 3500 HD Idler Pulley - 12676231
    Product Specifications
    • Notes: 6.6 Liter Gas, W/Dual Alternators, Smooth; Silverado, Sierra 3500 Hd; Dual Alternator; Gas; Lower; Smooth
    • Location: Driver Side
    • Other Names: Idler Pulley
    • Item Dimensions: 3.2 x 3.1 x 3.2 inches
    • Item Weight: 1.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12729056
    • Part Description: 2021 Chevrolet Silverado 3500 HD Idler Pulley
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS
    $84.89 MSRP: $160.18
    You Save: $75.29 (48%)
  • OEM 2021 Chevrolet Silverado 3500 HD Idler Pulley Diagram - 12678981
    View Related Parts

    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Idler Pulley

    PartNumber: 12678981
    OEM 2021 Chevrolet Silverado 3500 HD Idler Pulley - 12678981
    Product Specifications
    • Other Names: Idler Pulley
    • Item Dimensions: 4.8 x 4.6 x 4.5 inches
    • Item Weight: 3.10 Pounds
    • Replaced by: 12708716
    • Part Description: 2021 Chevrolet Silverado 3500 HD Idler Pulley
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
    $87.81 MSRP: $165.71
    You Save: $77.90 (48%)
  • OEM 2021 Chevrolet Silverado 3500 HD Serpentine Tensioner Diagram - 12700588
    View Related Parts

    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Serpentine Tensioner

    PartNumber: 12700588
    OEM 2021 Chevrolet Silverado 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 Chevrolet Silverado 3500 HD Serpentine Tensioner
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $38.54 MSRP: $63.80
    You Save: $25.26 (40%)
  • OEM 2021 Chevrolet Silverado 3500 HD Idler Pulley Diagram - 12708716
    View Related Parts

    OEM (Genuine) 2021 Chevrolet Silverado 3500 HD Idler Pulley

    PartNumber: 12708716
    OEM 2021 Chevrolet Silverado 3500 HD Idler Pulley - 12708716
    Product Specifications
    • Notes: 6.6 Liter Diesel, W/O Dual Alternators, Type 2; 6.6 Liter Diesel, W/Dual Alternators, Type 2; Silverado, Sierra 3500 Hd; Dual Alternator; Diesel; Lower; Center;Silverado, Sierra 3500 Hd; Single Alternator; Diesel; Center
    • Location: Passenger Side
    • Other Names: Idler Pulley
    • Fitment Type: Direct Replacement
    • Replaces: 12678981
    • Part Description: 2021 Chevrolet Silverado 3500 HD Idler Pulley
    More Info
    Vehicle Fitment
    • 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
    $91.54 MSRP: $165.71
    You Save: $74.17 (45%)