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Replacement and OEM Parts for 2012 GMC Sierra 2500 HD Cooling Systems, Fans, Radiators & Components

2012 GMC Sierra 2500 HD Cooling Systems, Fans, Radiators & Components

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Engine & Drivetrain

161 products about 2012 GMC Sierra 2500 HD Cooling Systems, Fans, Radiators & Components found

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  • OEM 2012 GMC Sierra 2500 HD Water Pump Diagram - 12681417
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    OEM (Genuine) 2012 GMC Sierra 2500 HD Water Pump

    PartNumber: 12681417
    OEM 2012 GMC Sierra 2500 HD Water Pump - 12681417
    Product Specifications
    • Notes: 6.0 Liter; Silverado, Sierra; 6.0l; 4.8, 5.3, 6.0 & 6.2 Liter
    • Other Names: Water Pump
    • Item Dimensions: 22.1 x 16.4 x 9.5 inches
    • Item Weight: 13.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 19208815
    • Replaced by: 19434033
    • Part Description: 2012 GMC Sierra 2500 HD Water Pump
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $246.98 MSRP: $523.66
    You Save: $276.68 (53%)
  • OEM 2012 GMC Sierra 2500 HD Sensor Diagram - 12608814
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    OEM (Genuine) 2012 GMC Sierra 2500 HD Sensor

    PartNumber: 12608814
    OEM 2012 GMC Sierra 2500 HD Sensor - 12608814
    Product Specifications
    • Notes: Silverado, Sierra; 6.0l;Silverado, Sierra; 6.6l; 6.6 Liter Diesel
    • Item Dimensions: 2.8 x 1.7 x 0.8 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25037062, 12191170, 15326388, 15369305
    • Part Description: 2012 GMC Sierra 2500 HD Sensor
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $30.68 MSRP: $57.90
    You Save: $27.22 (48%)
  • OEM 2012 GMC Sierra 2500 HD Thermostat Diagram - 97241130
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    OEM (Genuine) 2012 GMC Sierra 2500 HD Thermostat

    PartNumber: 97241130
    OEM 2012 GMC Sierra 2500 HD Thermostat - 97241130
    Product Specifications
    • Notes: Silverado, Sierra; 6.6l; 180 Degrees; 6.6 Liter Diesel, Rear
    • Other Names: Thermostat
    • Item Dimensions: 3.2 x 3.1 x 3.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2012 GMC Sierra 2500 HD Thermostat
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | AT4, Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
    $31.67 MSRP: $59.78
    You Save: $28.11 (48%)
  • OEM 2012 GMC Sierra 2500 HD Thermostat Diagram - 97241130
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    OEM (Genuine) 2012 GMC Sierra 2500 HD Thermostat

    PartNumber: 97241130
    OEM 2012 GMC Sierra 2500 HD Thermostat - 97241130
    Product Specifications
    • Notes: Silverado, Sierra; 6.6l; 180 Degrees; 6.6 Liter Diesel, Rear
    • Other Names: Thermostat
    • Item Dimensions: 3.2 x 3.1 x 3.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2012 GMC Sierra 2500 HD Thermostat
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | AT4, Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
    $31.67 MSRP: $59.78
    You Save: $28.11 (48%)
  • OEM 2012 GMC Sierra 2500 HD Water Pump Assembly Gasket Diagram - 12630223
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    OEM (Genuine) 2012 GMC Sierra 2500 HD Water Pump Assembly Gasket

    PartNumber: 12630223
    OEM 2012 GMC Sierra 2500 HD Water Pump Assembly Gasket - 12630223
    Product Specifications
    • Notes: 6.0 Liter; 4.8, 5.3, 6.0 & 6.2 Liter
    • Item Dimensions: 4.6 x 3.3 x 0.2 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12580035, 12588372, 12559271, 12610311
    • Part Description: 2012 GMC Sierra 2500 HD Water Pump Assembly Gasket
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $6.96 MSRP: $12.59
    You Save: $5.63 (45%)
  • OEM 2012 GMC Sierra 2500 HD Water Pump Assembly Gasket Diagram - 12630223
    View Related Parts

    OEM (Genuine) 2012 GMC Sierra 2500 HD Water Pump Assembly Gasket

    PartNumber: 12630223
    OEM 2012 GMC Sierra 2500 HD Water Pump Assembly Gasket - 12630223
    Product Specifications
    • Notes: 6.0 Liter; 4.8, 5.3, 6.0 & 6.2 Liter
    • Item Dimensions: 4.6 x 3.3 x 0.2 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12580035, 12588372, 12559271, 12610311
    • Part Description: 2012 GMC Sierra 2500 HD Water Pump Assembly Gasket
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $6.96 MSRP: $12.59
    You Save: $5.63 (45%)
  • Dorman OE Solutions Diesel Oil Cooler for 2012 GMC Sierra 2500 HD - 918-400

    Dorman® OE Solutions Diesel Oil Cooler for 2012 GMC Sierra 2500 HD

    PartNumber: 918-400
    Product Specifications
    • Color or Finish: Silver
    • Cooler Inlet Size: 0.72"
    • Cooler Outlet Size: 0.72"
    • Cooling Row Quantity: 11
    • Core Tube Width: 0.155"
    • Depth: 2.35"
    • Diameter (in): 0.72"
    • Finish: Brushed Metal
    • Height: 3.281"
    • Inlet Fitting Type: Female
    • Installation Hardware Included: Yes
    • Item Grade: Standard Replacement
    • Material: Aluminum
    • OE Part Number: 12649227, 19210615
    • Outlet Fitting Type: Female
    • Thickness (in): 3.096"
    • UPC: 019495387121
    • Width (in): 3.096"
    • Part Description: 2012 GMC Sierra 2500 HD OE Solutions Diesel Oil Cooler
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L
    $248.31
  • OEM 2012 GMC Sierra 2500 HD Thermostat Diagram - 97241129
    View Related Parts

    OEM (Genuine) 2012 GMC Sierra 2500 HD Thermostat

    PartNumber: 97241129
    OEM 2012 GMC Sierra 2500 HD Thermostat - 97241129
    Product Specifications
    • Notes: Silverado, Sierra; 6.6l; 185 Degrees; 6.6 Liter Diesel, Front
    • Other Names: Thermostat
    • Item Dimensions: 3.2 x 3.2 x 3.2 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2012 GMC Sierra 2500 HD Thermostat
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
    $33.70 MSRP: $68.40
    You Save: $34.70 (51%)
  • OEM 2012 GMC Sierra 2500 HD Thermostat Diagram - 97241129
    View Related Parts

    OEM (Genuine) 2012 GMC Sierra 2500 HD Thermostat

    PartNumber: 97241129
    OEM 2012 GMC Sierra 2500 HD Thermostat - 97241129
    Product Specifications
    • Notes: Silverado, Sierra; 6.6l; 185 Degrees; 6.6 Liter Diesel, Front
    • Other Names: Thermostat
    • Item Dimensions: 3.2 x 3.2 x 3.2 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2012 GMC Sierra 2500 HD Thermostat
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
    $33.70 MSRP: $68.40
    You Save: $34.70 (51%)
  • TYC Engine Coolant Radiator for 2012 GMC Sierra 2500 HD - 13301

    TYC® Engine Coolant Radiator for 2012 GMC Sierra 2500 HD

    PartNumber: 13301
    Product Specifications
    • Notes: Bottom Header: 23 9/16" X 2 3/16"; Components Incld: Trans Oil Cooler, Eng Oil Cooler; Core Size: 34" X 23 1/8" X 7/8"; Inlet Size: 1 5/16"; Manufactured Material: Plastic/Alum; Outlet Size: 1 1/2"; Rows: 1; Top Header: 23 9/16" X 2 3/16"
    • Bottom Header: 23 9/16" X 2 3/16"
    • Components Included: Transmission Oil Cooler, Engine Oil Cooler
    • Core Size: 34" X 23 1/8" X 7/8"
    • Inlet Size: 1 5/16"
    • Manufactured Material: Plastic/Aluminum
    • OE Part Number: 23447657
    • Outlet Size: 1 1/2"
    • Rows: 1
    • Top Header: 23 9/16" X 2 3/16"
    • UPC: 762405258317
    • Part Description: 2012 GMC Sierra 2500 HD Engine Coolant Radiator
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    $203.54
  • Dorman Engine Cooling Fan Blade for 2012 GMC Sierra 2500 HD - 621-525

    Dorman® Engine Cooling Fan Blade for 2012 GMC Sierra 2500 HD

    PartNumber: 621-525
    Product Specifications
    • Blades Count: 9
    • Color: Yellow
    • Diameter: 635 mm
    • Installation Hardware Included: No
    • Item Grade: Standard Replacement
    • Material: Plastic
    • OE Part Number: 25838898
    • Package Contents: Engine Cooling Fan Blade
    • UPC: 885484664692
    • Part Description: 2012 GMC Sierra 2500 HD Engine Cooling Fan Blade
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L
    $92.92
  • Gates Engine Coolant Standard Water Pump for 2012 GMC Sierra 2500 HD - 43274BH

    Gates® Engine Coolant Standard Water Pump for 2012 GMC Sierra 2500 HD

    PartNumber: 43274BH
    Product Specifications
    • Housing: Cast Aluminum
    • Impeller Material: Plastic
    • Includes Thermostat & Housing: No
    • Number of Outlets: 1
    • Rotation of Impeller: Reverse
    • Timing Belt Driven: No
    • UPC: 770075617280
    • Part Description: 2012 GMC Sierra 2500 HD Engine Coolant Standard Water Pump
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L
    $109.22
  • OEM 2012 GMC Sierra 2500 HD Lower Hose Diagram - 22827735
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    OEM (Genuine) 2012 GMC Sierra 2500 HD Lower Hose

    PartNumber: 22827735
    OEM 2012 GMC Sierra 2500 HD Lower Hose - 22827735
    Product Specifications
    • Notes: 4.8, 5.3, 6.0 & 6.2 Liter
    • Other Names: Lower Hose
    • Item Dimensions: 5.8 x 4.4 x 14.9 inches
    • Item Weight: 1.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15037656, 15792826, 15769077, 19130015
    • Part Description: 2012 GMC Sierra 2500 HD Lower Hose
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $33.96 MSRP: $51.23
    You Save: $17.27 (34%)
  • OEM 2012 GMC Sierra 2500 HD Lower Hose Diagram - 22827735
    View Related Parts

    OEM (Genuine) 2012 GMC Sierra 2500 HD Lower Hose

    PartNumber: 22827735
    OEM 2012 GMC Sierra 2500 HD Lower Hose - 22827735
    Product Specifications
    • Notes: 4.8, 5.3, 6.0 & 6.2 Liter
    • Other Names: Lower Hose
    • Item Dimensions: 5.8 x 4.4 x 14.9 inches
    • Item Weight: 1.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15037656, 15792826, 15769077, 19130015
    • Part Description: 2012 GMC Sierra 2500 HD Lower Hose
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $33.96 MSRP: $51.23
    You Save: $17.27 (34%)
  • Four Seasons Electronic Engine Cooling Fan Clutch for 2012 GMC Sierra 2500 HD - 46110

    Four Seasons® Electronic Engine Cooling Fan Clutch for 2012 GMC Sierra 2500 HD

    PartNumber: 46110
    Product Specifications
    • Notes: Reverse Rotation; Electronic Fan Clutch
    • Bolt Hole Quantity: 4
    • Bolt Thread: M6 x 1.0 STUD
    • Clutch Maximum Diameter: 9.39
    • Clutch Type: Electronic
    • Color: Raw Aluminum in Color
    • Distance From Clutch To Mounting Flange: 3.8
    • Fan Bolt Circle IN: 8.68
    • Material: Aluminum
    • Meets / Exceeds OEM: Yes
    • Mount Dia. IN: 1.88 (48mm) Hex
    • Mounting Hardware: Not Included
    • Mounting Hole Quantity: 4
    • Mounting Type: HEX
    • New or Reman: New
    • Overall Height IN: 5.33
    • Performance Rated: Yes
    • Pilot Depth IN: 0.80
    • Pilot Dia. IN: M36x2.000
    • Rotation: REV
    • SDS Required: No (135233618)
    • Style: Severe Duty
    • UPC: 096361461109
    • Use Type: Severe
    • Part Description: 2012 GMC Sierra 2500 HD Electronic Engine Cooling Fan Clutch
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L
    $267.53
  • Dayco Engine Coolant Water Pump for 2012 GMC Sierra 2500 HD - DP1226

    Dayco® Engine Coolant Water Pump for 2012 GMC Sierra 2500 HD

    PartNumber: DP1226
    Product Specifications
    • Notes: Serpentine Belt Driven; w/o Back Housing
    • UPC: 036687983978
    • Part Description: 2012 GMC Sierra 2500 HD Engine Coolant Water Pump
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L
    $96.17
  • Delphi Coolant Temperature Sensor for 2012 GMC Sierra 2500 HD - TS10076

    Delphi® Coolant Temperature Sensor for 2012 GMC Sierra 2500 HD

    PartNumber: TS10076
    Product Specifications
    • Connector Gender: Female
    • Connector Quantity: 1
    • Connector Shape: Oval
    • Mounting Type: Threaded Nut
    • OE Part Number: 15369305
    • Terminal Gender: Male
    • Terminal Quantity: 2
    • Terminal Type: Pin
    • UPC: 689604110416
    • Wiring Harness Included: No
    • Part Description: 2012 GMC Sierra 2500 HD Coolant Temperature Sensor
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | SLE | 8 Cyl 6.0L
    • 2012 GMC Sierra 2500 HD | SLT | 8 Cyl 6.0L
    • 2012 GMC Sierra 2500 HD | WT | 8 Cyl 6.0L
    • 2012 GMC Sierra 2500 HD | Denali | 8 Cyl 6.0L
    • 2012 GMC Sierra 2500 HD | Denali | 8 Cyl 6.6L
    • 2012 GMC Sierra 2500 HD | SLE | 8 Cyl 6.6L
    • 2012 GMC Sierra 2500 HD | SLT | 8 Cyl 6.6L
    • 2012 GMC Sierra 2500 HD | WT | 8 Cyl 6.6L
    Show More
    $20.68
  • Dorman Automatic Transmission Oil Cooler Line Connector for 2012 GMC Sierra 2500 HD - 800-613

    Dorman® Automatic Transmission Oil Cooler Line Connector for 2012 GMC Sierra 2500 HD

    PartNumber: 800-613
    Product Specifications
    • Notes: To Trans; Inlet & Outlet; Connector Kit; w/White Retainer; Pkg Quantity: 1
    • Fitting Angle: Straight
    • Fitting Attachment End 1: Quick Disconnect
    • Fitting Attachment End 2: Male Thread
    • Fitting Size End 1 (in): 0.5"
    • Fitting Size End 2 (in): 0.563"
    • Line Fitting Type: Transmission Line Connector
    • Material: Metal
    • OE Part Number: 88996645
    • Thread Sealer Present: No
    • UPC: 019495290728
    • Part Description: 2012 GMC Sierra 2500 HD Automatic Transmission Oil Cooler Line Connector
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | All Engines
    $22.77
  • Victor Reinz Engine Coolant Water Pump Installation Kit for 2012 GMC Sierra 2500 HD - 18-10033-01

    Victor Reinz® Engine Coolant Water Pump Installation Kit for 2012 GMC Sierra 2500 HD

    PartNumber: 18-10033-01
    Product Specifications
    • Gasket Bolt Hole Quantity: 4
    • Gasket Color: Color May Vary
    • Gasket Material: Rubber Coated Metal
    • Gasket Thickness (IN): 0.018 in
    • Meets or Exceeds OEM Specs: Y
    • UPC: 023913758066
    • Part Description: 2012 GMC Sierra 2500 HD Engine Coolant Water Pump Installation Kit
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L
    $24.07
  • Four Seasons Dual Radiator And Condenser Fan Assembly for 2012 GMC Sierra 2500 HD - 76015

    Four Seasons® Dual Radiator And Condenser Fan Assembly for 2012 GMC Sierra 2500 HD

    PartNumber: 76015
    Product Specifications
    • Notes: w/o Tow Package
    • Blade Material: Plastic
    • Blade Material B : Plastic
    • Blade Type: Rigid
    • Connector B Gender: Female
    • Connector B Shape: Oval
    • Connector B Type: Spade
    • Connector Gender: Female
    • Connector qty: 2
    • Connector Shape: Oval
    • Connector Type: 2 Terminal connector
    • Electrical or Mechanical: Electrical
    • Fan 1 Blade Quantity: 7
    • Fan 2 Blade Quantity: 7
    • Fan Clutch Mounted: Fan clutch not mounted within the assembly.
    • Fan Quantity: 2
    • Height IN: 19.500
    • Height MM: 520.700
    • Housing Finish: Black
    • Hub Bolt Hole Quantity: OE Mount
    • Material: Plastic / Metal
    • Motor Type A: Radiator Fan Assembly
    • Mount Type: OE mount
    • Mounting Hardware: Not Included
    • O.E. Replacement: Yes
    • Package Depth IN: 41.000
    • Package Depth MM: 1041.400
    • Package Height IN: 7.750
    • Package Height MM: 196.850
    • Package Length IN: 25.500
    • Package Length MM: 647.700
    • Performance Rated: Yes
    • Shroud Included: Included
    • Shroud Material: Plastic
    • Style: Radiator Fan, Condenser Fan
    • Terminal Gender: Male
    • Terminal Quantity: 2
    • UPC: 096361760158
    • Voltage: 12
    • Width IN: 33.250
    • Width MM: 889.000
    • Part Description: 2012 GMC Sierra 2500 HD Dual Radiator And Condenser Fan Assembly
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | All Engines
    $170.92
  • Airtex Engine Coolant Water Pump for 2012 GMC Sierra 2500 HD - AW6053

    Airtex® Engine Coolant Water Pump for 2012 GMC Sierra 2500 HD

    PartNumber: AW6053
    Product Specifications
    • Fan Clutch Included: No
    • Housing Material: Aluminum
    • Hub Height: 51.90 mm
    • Impeller Material: Composite
    • Impeller Rotation: Reverse
    • Impeller Vane Quantity: 7
    • Includes Back Housing: No
    • Mounting Hole Quantity: 3
    • Pulley Outside Diameter: 91.44 mm
    • Water Pump Drive Type: Gear
    • Part Description: 2012 GMC Sierra 2500 HD Engine Coolant Water Pump
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L
    $137.91
  • STANT 48 mm Cooling System Adapter for 2012 GMC Sierra 2500 HD - 12032

    STANT® 48 mm Cooling System Adapter for 2012 GMC Sierra 2500 HD

    PartNumber: 12032
    Product Specifications
    • Quantity: 1 Piece
    • Size: 48 mm
    • UPC: 033342495104
    • Part Description: 2012 GMC Sierra 2500 HD 48 mm Cooling System Adapter
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L
    $86.79
  • Four Seasons Radiator Fan Motor for 2012 GMC Sierra 2500 HD - 75768

    Four Seasons® Radiator Fan Motor for 2012 GMC Sierra 2500 HD

    PartNumber: 75768
    Product Specifications
    • Notes: Radiator Fan Motor; OE Replacement; w/o Tow Pkg
    • Bolt Quantity: 3
    • Color: Black
    • Connector Gender: Female
    • Connector Quantity: 1
    • Connector Shape: Oval
    • Motor Diameter: 4
    • Motor Type: 4 Pole
    • Mount Type: OE Mount
    • Number of Speeds: OE Equivlent
    • O.E. Replacement: Yes
    • Performance Rated: Yes
    • Power Requirement: 12 volt
    • Rotation: Clockwise
    • Shroud: No
    • Style: Radiator Fan
    • Terminal Gender: Male
    • Terminal Quantity: 2
    • UPC: 096361757684
    • Wire Quantity: 2 lead wires w/ Connector; 2 Lead Wires w/Connector
    • Part Description: 2012 GMC Sierra 2500 HD Radiator Fan Motor
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | All Engines
    $96.87
  • Dorman OE Solutions Oil Cooler Line Connector for 2012 GMC Sierra 2500 HD - 800-622

    Dorman® OE Solutions Oil Cooler Line Connector for 2012 GMC Sierra 2500 HD

    PartNumber: 800-622
    Product Specifications
    • Notes: 1/2"
    • Fitting Angle: Straight
    • Fitting Attachment End 1: Quick Disconnect
    • Fitting Attachment End 2: Male Thread
    • Fitting Finish: Natural/No Finish
    • Fitting Size End 1 (in): 1.2"
    • Fitting Size End 2 (in): 0.75"
    • Material: Steel
    • OE Part Number: 15190249, 22988269
    • Swivel: No
    • Thread Sealer Present: No
    • UPC: 019495223672
    • Part Description: 2012 GMC Sierra 2500 HD OE Solutions Oil Cooler Line Connector
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    $18.05
  • CSF Engine Coolant Radiator for 2012 GMC Sierra 2500 HD - 3798

    CSF® Engine Coolant Radiator for 2012 GMC Sierra 2500 HD

    PartNumber: 3798
    Product Specifications
    • Notes: w/quick-connect outlet pipe & oil cooler fittings
    • Bottom Hose Fitting (in): 1 9/16 Right
    • Box Height (in): 5 7/8
    • Box Length (in): 46
    • Box Weight (lbs): 21
    • Box Width (in): 28 11/16
    • Core Length: 34
    • Core Material: Aluminum
    • Core Thickness: 7/8
    • Core Width: 22 3/4
    • Cross-flow/ Down-flow: Cross Flow
    • Hazardous Material: No
    • Inlet Length (in): 23 1/4
    • Inlet Width (in): 1 7/8
    • No. Of Rows: 1
    • OE Part Number: 13301, 23378650, 23447657, 25838891, 22903587, 8013301, 22900479, CU13301
    • Oil Cooler (in): 11 1/2 (high-efficiency Plate Type) ;11 1/2 (high-efficiency Plate Type)
    • Outlet Length(in): 23 1/4
    • Outlet Width: 1 7/8
    • Radiator Cap Supplied: No
    • Tank Material: Plastic
    • Tech Note: O.E.M. style Plastic tanks & Aluminum core;with quick-connect outlet pipe & quick-connect oil cooler fittings.
    • Top Hose Fitting (in): 1 1/4 Left
    • UPC: 710353037980
    • Part Description: 2012 GMC Sierra 2500 HD Engine Coolant Radiator
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    $136.61
  • Gates Engine Coolant Molded Radiator Hose for 2012 GMC Sierra 2500 HD - 23962

    Gates® Engine Coolant Molded Radiator Hose for 2012 GMC Sierra 2500 HD

    PartNumber: 23962
    Product Specifications
    • Branch Quantity: 2
    • Contains Spring: No
    • End 1 Inside Diameter: 2.37 in
    • End 2 Inside Diameter: 2.37 in
    • End 3 Inside Diameter: 0.59 in
    • End 4 Inside Diameter: 0.68 in
    • Material: EPDM, Plastic, Steel
    • Modular Components: Branch, 3 Quick Female Connectors
    • Modular Hose: Yes
    • Molded: Yes
    • Number of Quick Connect Fittings: 3
    • OE Part Number: 73058
    • UPC: 770075542704
    • Part Description: 2012 GMC Sierra 2500 HD Engine Coolant Molded Radiator Hose
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L
    $162.57
  • OEM 2012 GMC Sierra 2500 HD Thermostat Diagram - 89018168
    View Related Parts

    OEM (Genuine) 2012 GMC Sierra 2500 HD Thermostat

    PartNumber: 89018168
    OEM 2012 GMC Sierra 2500 HD Thermostat - 89018168
    Product Specifications
    • Notes: Silverado, Sierra; 6.0l; 4.8, 5.3, 6.0 & 6.2 Liter; 6.0 Liter
    • Other Names: Thermostat
    • Item Dimensions: 3.7 x 2.6 x 2.2 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 89017851
    • Part Description: 2012 GMC Sierra 2500 HD Thermostat
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L GAS
    $40.04 MSRP: $75.53
    You Save: $35.49 (47%)
  • OEM 2012 GMC Sierra 2500 HD Thermostat Diagram - 89018168
    View Related Parts

    OEM (Genuine) 2012 GMC Sierra 2500 HD Thermostat

    PartNumber: 89018168
    OEM 2012 GMC Sierra 2500 HD Thermostat - 89018168
    Product Specifications
    • Notes: Silverado, Sierra; 6.0l; 4.8, 5.3, 6.0 & 6.2 Liter; 6.0 Liter
    • Other Names: Thermostat
    • Item Dimensions: 3.7 x 2.6 x 2.2 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 89017851
    • Part Description: 2012 GMC Sierra 2500 HD Thermostat
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L GAS
    $40.04 MSRP: $75.53
    You Save: $35.49 (47%)
  • GMB Engine Coolant Water Pump for 2012 GMC Sierra 2500 HD - 130-9670

    GMB® Engine Coolant Water Pump for 2012 GMC Sierra 2500 HD

    PartNumber: 130-9670
    Product Specifications
    • Housing Material: Aluminum
    • Hub Height: 6.90 in
    • Hub Pilot Diameter: 5.84 in
    • Impeller Material: Metal
    • Impeller Rotation: Reverse
    • UPC: 886931348448
    • Water Pump Drive Type: Serpentine Belt
    • Part Description: 2012 GMC Sierra 2500 HD Engine Coolant Water Pump
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    $117.77
  • Victor Reinz Dual Round Port Oil Cooler Gasket for 2012 GMC Sierra 2500 HD - 71-13510-00

    Victor Reinz® Dual Round Port Oil Cooler Gasket for 2012 GMC Sierra 2500 HD

    PartNumber: 71-13510-00
    Product Specifications
    • Notes: with Dual Round Ports
    • Color: Color May Vary
    • Complete: Y
    • Configuration: One Piece
    • Contains Applications: Y
    • Length: 2.6300
    • Material: Molded Rubber And Metal
    • Meets or Exceeds OEM Specs: Y
    • Release Wave: 12/15/2017
    • Rim Shape: Oval
    • UPC: 023913670535
    • Width: 1.0400
    • Part Description: 2012 GMC Sierra 2500 HD Dual Round Port Oil Cooler Gasket
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    $7.88
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