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Replacement and OEM Parts for 2021 GMC Sierra 3500 HD Intercoolers, Turbos, Superchargers & Components

2021 GMC Sierra 3500 HD Intercoolers, Turbos, Superchargers & Components

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2021 GMC Sierra 3500 HD
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Engine & Drivetrain

13 products about 2021 GMC Sierra 3500 HD Intercoolers, Turbos, Superchargers & Components found

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  • OEM 2021 GMC Sierra 3500 HD Turbocharger Diagram - 12708954
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Turbocharger

    PartNumber: 12708954
    OEM 2021 GMC Sierra 3500 HD Turbocharger - 12708954
    Product Specifications
    • Other Names: Turbocharger
    • Fitment Type: Direct Replacement
    • Replaced by: 12723083
    • Part Description: 2021 GMC Sierra 3500 HD Turbocharger
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $1567.08 MSRP: $2585.63
    You Save: $1018.55 (40%)
  • OEM 2021 GMC Sierra 3500 HD Oil Line Diagram - 12642431
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Oil Line

    PartNumber: 12642431
    OEM 2021 GMC Sierra 3500 HD Oil Line - 12642431
    Product Specifications
    • Other Names: Oil Line
    • Item Dimensions: 15.4 x 3.5 x 2.0 inches
    • Item Weight: 4.00 Pounds
    • Replaced by: 12705525
    • Part Description: 2021 GMC Sierra 3500 HD Oil Line
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $33.93 MSRP: $56.01
    You Save: $22.08 (40%)
  • OEM 2021 GMC Sierra 3500 HD Pipe Asm-Turbo Oil Feed Diagram - 12641353
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Pipe Asm-Turbo Oil Feed

    PartNumber: 12641353
    OEM 2021 GMC Sierra 3500 HD Pipe Asm-Turbo Oil Feed - 12641353
    Product Specifications
    • Other Names: Oil Feed Tube, Oil Inlet Tube, Oil Line
    • Item Dimensions: 18.7 x 8.7 x 3.3 inches
    • Item Weight: 1.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12721608
    • Part Description: 2021 GMC Sierra 3500 HD Pipe Asm-Turbo Oil Feed
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $40.33 MSRP: $64.05
    You Save: $23.72 (38%)
  • OEM 2021 GMC Sierra 3500 HD Turbocharger Gasket Diagram - 12677294
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Turbocharger Gasket

    PartNumber: 12677294
    OEM 2021 GMC Sierra 3500 HD Turbocharger Gasket - 12677294
    Product Specifications
    • Notes: 6.6 Liter Diesel, Turbo Assembly
    • Other Names: Turbocharger Gasket
    • Item Dimensions: 5.9 x 4.4 x 0.2 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Turbocharger Gasket
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $26.56 MSRP: $43.98
    You Save: $17.42 (40%)
  • OEM 2021 GMC Sierra 3500 HD Air Outlet Duct Diagram - 84914123
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Air Outlet Duct

    PartNumber: 84914123
    OEM 2021 GMC Sierra 3500 HD Air Outlet Duct - 84914123
    Product Specifications
    • Notes: 6.6 Liter Diesel
    • Other Names: Air Outlet Duct
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Air Outlet Duct
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $116.93 MSRP: $193.54
    You Save: $76.61 (40%)
  • OEM 2021 GMC Sierra 3500 HD Oil Outlet Tube Diagram - 12705525
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Oil Outlet Tube

    PartNumber: 12705525
    OEM 2021 GMC Sierra 3500 HD Oil Outlet Tube - 12705525
    Product Specifications
    • Notes: Silverado, Sierra 3500 Hd; Diesel; Oil Return; Lower; 6.6 Liter Diesel, Oil Lines
    • Other Names: Lower Return Pipe, Oil Line, Oil Outlet Tube
    • Fitment Type: Direct Replacement
    • Replaces: 12642431
    • Part Description: 2021 GMC Sierra 3500 HD Oil Outlet Tube
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $33.93 MSRP: $56.01
    You Save: $22.08 (40%)
  • OEM 2021 GMC Sierra 3500 HD Oil Outlet Tube Diagram - 12642428
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Oil Outlet Tube

    PartNumber: 12642428
    OEM 2021 GMC Sierra 3500 HD Oil Outlet Tube - 12642428
    Product Specifications
    • Notes: 6.6 Liter Diesel, Oil Lines
    • Other Names: Oil Line, Oil Outlet Tube, Upper Return Tube
    • Item Dimensions: 6.5 x 2.4 x 2.4 inches
    • Item Weight: 3.80 Pounds
    • Replaced by: 12720306
    • Part Description: 2021 GMC Sierra 3500 HD Oil Outlet Tube
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $64.05 MSRP: $105.99
    You Save: $41.94 (40%)
  • OEM 2021 GMC Sierra 3500 HD Water Return Tube Diagram - 12691899
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Water Return Tube

    PartNumber: 12691899
    OEM 2021 GMC Sierra 3500 HD Water Return Tube - 12691899
    Product Specifications
    • Notes: 6.6 Liter Diesel, Cooling Lines
    • Item Dimensions: 9.4 x 4.6 x 2.3 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12672593, 12681468, 12683880, 12679546, 12708458, 12658343
    • Part Description: 2021 GMC Sierra 3500 HD Water Return Tube
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $60.06 MSRP: $99.44
    You Save: $39.38 (40%)
  • OEM 2021 GMC Sierra 3500 HD Air Outlet Duct Diagram - 84682179
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Air Outlet Duct

    PartNumber: 84682179
    OEM 2021 GMC Sierra 3500 HD Air Outlet Duct - 84682179
    Product Specifications
    • Other Names: Air Outlet Duct, Intercooler Hose
    • Fitment Type: Direct Replacement
    • Replaces: 23420958
    • Part Description: 2021 GMC Sierra 3500 HD Air Outlet Duct
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $132.82 MSRP: $210.83
    You Save: $78.01 (38%)
  • OEM 2021 GMC Sierra 3500 HD Intercooler Diagram - 84747171
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Intercooler

    PartNumber: 84747171
    OEM 2021 GMC Sierra 3500 HD Intercooler - 84747171
    Product Specifications
    • Notes: 6.6 Liter Diesel
    • Other Names: Intercooler
    • Item Dimensions: 49.0 x 36.4 x 10.1 inches
    • Item Weight: 27.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 84012682
    • Part Description: 2021 GMC Sierra 3500 HD Intercooler
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $407.68 MSRP: $647.66
    You Save: $239.98 (38%)
  • OEM 2021 GMC Sierra 3500 HD Intercooler Diagram - 84747171
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Intercooler

    PartNumber: 84747171
    OEM 2021 GMC Sierra 3500 HD Intercooler - 84747171
    Product Specifications
    • Notes: 6.6 Liter Diesel
    • Other Names: Intercooler
    • Item Dimensions: 49.0 x 36.4 x 10.1 inches
    • Item Weight: 27.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 84012682
    • Part Description: 2021 GMC Sierra 3500 HD Intercooler
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $407.68 MSRP: $647.66
    You Save: $239.98 (38%)
  • OEM 2021 GMC Sierra 3500 HD HOSE ASM-CHRG AIR CLR INL AIR Diagram - 84870726
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    OEM (Genuine) 2021 GMC Sierra 3500 HD HOSE ASM-CHRG AIR CLR INL AIR

    PartNumber: 84870726
    OEM 2021 GMC Sierra 3500 HD HOSE ASM-CHRG AIR CLR INL AIR - 84870726
    Product Specifications
    • Notes: 6.6 Liter Diesel
    • Other Names: Air Inlet Duct, Intercooler Hose
    • Fitment Type: Direct Replacement
    • Replaces: 84660608
    • Part Description: 2021 GMC Sierra 3500 HD HOSE ASM-CHRG AIR CLR INL AIR
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $200.50 MSRP: $331.84
    You Save: $131.34 (40%)
  • OEM 2021 GMC Sierra 3500 HD Adapter Diagram - 12677706
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Adapter

    PartNumber: 12677706
    OEM 2021 GMC Sierra 3500 HD Adapter - 12677706
    Product Specifications
    • Notes: 6.6 Liter Diesel, Turbo Exhaust Inlet
    • Other Names: Adapter, Exhaust Duct
    • Item Dimensions: 9.4 x 6.6 x 3.8 inches
    • Item Weight: 5.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12728156
    • Part Description: 2021 GMC Sierra 3500 HD Adapter
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL