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Replacement and OEM Parts for GMC Thermostat Housing
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GMC Thermostat Housing

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  • Dorman Engine Coolant Thermostat Housing for GMC - 902-693

    Dorman® Engine Coolant Thermostat Housing for GMC

    PartNumber: 902-693
    Product Specifications
    • Bleeder Hole: No
    • Bolt Hole Center To Bolt Hole Center: 2.835"; 1.66"; 3.65"
    • Bolt Hole Quantity: 3
    • Color/Finish: Natural
    • Flange Length: 2.55"
    • Flange Thickness: 0.5"
    • Flange Width: 4.14"
    • Gasket Type: Gasket
    • Grade Type: Regular
    • Inside Diameter: 0.515"; 0.664"; 0.588"; 1.165";
    • Material: Metal
    • Mounting Hardware Included: No
    • OE Part Number: 12651113, 12638836
    • Outlet Port Quantity: 4
    • Thermostat Opening Temperature (F): 180 Degrees
    • UPC: 037495787505
    • Part Description: GMC Engine Coolant Thermostat Housing
    More Info
    $72.04
  • Gates Engine Coolant Water Outlet for GMC - CO34923

    Gates® Engine Coolant Water Outlet for GMC

    PartNumber: CO34923
    Product Specifications
    • By-Pass Holes: No
    • Material: Cast Aluminum
    • Number of Bolt Holes: 2
    • Number of Gaskets: 0
    • Number of Seals: 0
    • OE Exact: Yes
    • Outlet Inside Diameter 1: 1.194"
    • Outlet Outside Diameter 1: 1.565"
    • Type: Coolant Outlet
    • UPC: 770075795179
    • Part Description: GMC Engine Coolant Water Outlet
    More Info
    $22.55
  • Four Seasons Engine Coolant Water Outlet W O Thermostat for GMC - 85222

    Four Seasons® Engine Coolant Water Outlet W O Thermostat for GMC

    PartNumber: 85222
    Product Specifications
    • Description: Engine Coolant Components
    • Gasket Or Seal Included: Not Included
    • Inlet Dia. IN: 1.418
    • Material: Aluminum
    • Maximum Height: 4.669
    • Meets / Exceeds OEM?: Yes
    • Mnt Flange Width IN: 0.500
    • Style: w/o Thermostat
    • Thermostat Included?: Not Included
    • UPC: 096361852228
    • Part Description: GMC Engine Coolant Water Outlet W O Thermostat
    More Info
    $66.69
  • OEM (Genuine) GMC Inlet Assembly

    PartNumber: 12600172
    OEM GMC Inlet Assembly - 12600172
    Product Specifications
    • Item Dimensions: 6.4 x 4.2 x 4.2 inches
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12581594
    • Part Description: GMC Inlet Assembly
    More Info
    $42.42 MSRP: $80.07
    You Save: $37.65 (48%)
  • Dorman Engine Coolant Water Outlet for GMC - 902-2098

    Dorman® Engine Coolant Water Outlet for GMC

    PartNumber: 902-2098
    Product Specifications
    • Air Vent (Bleeder Valve): No
    • Bleeder Screw Included: No
    • Bolt Hole Center To Bolt Hole Center: 1.9"
    • Bolt Hole Diameter: 0.34"
    • Bolt Hole Quantity: 4
    • Color/Finish: Natural
    • Housing Neck Angle (°): 90 Deg.
    • Inside Diameter: 1.06"
    • Material: Aluminum
    • Maximum Height: 4.25"
    • Outlet Diameter: 1.557"
    • Outlet Quantity: 2
    • Outlet Tube Length: 6.25"
    • UPC: 889245529985
    • Part Description: GMC Engine Coolant Water Outlet
    More Info
    $66.69
  • Four Seasons Engine Coolant Water Outlet W O Thermostat for GMC - 85253

    Four Seasons® Engine Coolant Water Outlet W O Thermostat for GMC

    PartNumber: 85253
    Product Specifications
    • Bolt Hole Center To Bolt Hole Center: 3.125
    • Description: Engine Coolant Components
    • Gasket Or Seal Included: Not Included
    • Inlet Dia. IN: 2.003
    • Material: Aluminum
    • Maximum Height: 2.507
    • Meets / Exceeds OEM?: Yes
    • Mnt Flange Width IN: 0.791
    • Style: w/o Thermostat
    • Symetrical Base?: No
    • Thermostat Included?: Not Included
    • UPC: 096361852532
    • Part Description: GMC Engine Coolant Water Outlet W O Thermostat
    More Info
    $64.13
  • OEM (Genuine) GMC Thermostat Unit

    PartNumber: 12571261
    OEM GMC Thermostat Unit - 12571261
    Product Specifications
    • Other Names: Thermostat Housing, Thermostat Unit
    • Item Dimensions: 6.5 x 4.3 x 4.2 inches
    • Item Weight: 1.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12561157, 12562740
    • Part Description: GMC Thermostat Unit
    More Info
    $40.51 MSRP: $76.45
    You Save: $35.94 (48%)
  • Dorman Engine Coolant Thermostat Housing for GMC - 902-692

    Dorman® Engine Coolant Thermostat Housing for GMC

    PartNumber: 902-692
    Product Specifications
    • Bleeder Hole: No
    • Bolt Hole Center To Bolt Hole Center: 3.6"; 3"; 1.5"
    • Bolt Hole Quantity: 3
    • Color/Finish: Natural
    • Flange Length: 5.5"
    • Flange Thickness: 0.3"
    • Flange Width: 3.7"
    • Gasket Type: Gasket
    • Grade Type: Regular
    • Inside Diameter: 1.15"
    • Material: Aluminum; Stainless Steel
    • OE Part Number: 12599235, 12638893
    • Outlet Port Quantity: 3
    • Thermostat Opening Temperature (F): 180 Degrees
    • UPC: 037495787499
    • Part Description: GMC Engine Coolant Thermostat Housing
    More Info
    $48.20
  • Four Seasons Engine Coolant Water Outlet for GMC - 86221

    Four Seasons® Engine Coolant Water Outlet for GMC

    PartNumber: 86221
    Product Specifications
    • Bleeder Screw Included: Not Included
    • Description: Engine Coolant Components
    • Gasket Or Seal Included: Not Included
    • Material: Aluminum
    • Maximum Height: 7.50
    • Meets / Exceeds OEM?: Yes
    • Mnt Flange Width IN: 0.815
    • Mounting Hole Quantity: 4
    • Style: w/o Thermostat
    • Thermostat Included?: Not Included
    • UPC: 096361093911
    • Part Description: GMC Engine Coolant Water Outlet
    More Info
    $57.99
  • OEM (Genuine) GMC Thermostat Housing

    PartNumber: 12620112
    OEM GMC Thermostat Housing - 12620112
    Product Specifications
    • Other Names: Thermostat Housing
    • Item Dimensions: 11.3 x 4.8 x 4.8 inches
    • Item Weight: 3.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12602913, 12572988, 12567750
    • Part Description: GMC Thermostat Housing
    More Info
    $49.67 MSRP: $89.90
    You Save: $40.23 (45%)
  • Dorman Engine Coolant Water Outlet for GMC - 902-2087

    Dorman® Engine Coolant Water Outlet for GMC

    PartNumber: 902-2087
    Product Specifications
    • Air Vent (Bleeder Valve): No
    • Bleeder Screw Included: No
    • Bolt Hole Center To Bolt Hole Center: 2.76 in
    • Color: Black
    • Housing Neck Angle (°): 80 Degrees
    • Inside Diameter: 1.3 in
    • Material: Plastic
    • Maximum Height: 4.805 in
    • Mounting Hole Diameter: 0.366 in
    • Mounting Hole Quantity: 2
    • O Rings Included: No
    • Outlet Diameter: 0.5"
    • Outlet Quantity: 4
    • Outlet Tube Length: 1.25 in
    • UPC: 885484606845
    • Part Description: GMC Engine Coolant Water Outlet
    More Info
    $68.31
  • Four Seasons Engine Coolant Water Outlet W O Thermostat for GMC - 86007

    Four Seasons® Engine Coolant Water Outlet W O Thermostat for GMC

    PartNumber: 86007
    Product Specifications
    • Description: Engine Coolant Components
    • Gasket Or Seal Included: Not Included
    • Inlet Dia. IN: 2.000
    • Material: Aluminum
    • Maximum Height: 2.500
    • Meets / Exceeds OEM?: Yes
    • Mnt Flange Width IN: 0.780
    • Style: w/o Thermostat
    • Thermostat Included?: Not Included
    • UPC: 096361860070
    • Part Description: GMC Engine Coolant Water Outlet W O Thermostat
    More Info
    $44.32
  • OEM (Genuine) GMC Water Outlet

    PartNumber: 12656446
    OEM GMC Water Outlet - 12656446
    Product Specifications
    • Other Names: Water Outlet
    • Item Dimensions: 8.4 x 5.6 x 4.3 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 25201457
    • Part Description: GMC Water Outlet
    More Info
    $90.75 MSRP: $171.22
    You Save: $80.47 (47%)
  • Dorman Engine Coolant Thermostat Housing for GMC - 902-2127

    Dorman® Engine Coolant Thermostat Housing for GMC

    PartNumber: 902-2127
    Product Specifications
    • Bolt Hole Center To Bolt Hole Center: 4.65"
    • Bolt Hole Diameter: 0.355"
    • Bolt Hole Quantity: 4
    • Color/Finish: Natural
    • Flange Thickness: 0.787"
    • Height: 2.82"
    • Housing Neck Angle (°): 90 Deg.
    • Inlet Port Diameter: 2"
    • Material: Aluminum
    • Mount Hole Diameter: 0.355"
    • Mount Hole Quantity: 4
    • Outlet Diameter: 1.95"
    • UPC: 889245475947
    • Part Description: GMC Engine Coolant Thermostat Housing
    More Info
    $52.12
  • Four Seasons Engine Coolant Water Outlet W O Thermostat for GMC - 85349

    Four Seasons® Engine Coolant Water Outlet W O Thermostat for GMC

    PartNumber: 85349
    Product Specifications
    • Description: Engine Coolant Components
    • Gasket Or Seal Included: Included
    • Inlet Dia. IN: 1.875
    • Material: Aluminum
    • Maximum Height: 3.000
    • Meets / Exceeds OEM?: Yes
    • Mnt Flange Width IN: 0.320
    • Style: w/o Thermostat
    • Thermostat Included?: Not Included
    • UPC: 096361853492
    • Part Description: GMC Engine Coolant Water Outlet W O Thermostat
    More Info
    $37.37
  • OEM (Genuine) GMC Thermostat Housing

    PartNumber: 12578330
    OEM GMC Thermostat Housing - 12578330
    Product Specifications
    • Other Names: Thermostat Housing
    • Item Dimensions: 48.3 x 11.6 x 7.3 inches
    • Item Weight: 15.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12573197
    • Part Description: GMC Thermostat Housing
    More Info
    $205.37 MSRP: $326.07
    You Save: $120.70 (38%)
  • Dorman Engine Coolant Thermostat Housing Assembly for GMC - 902-2089

    Dorman® Engine Coolant Thermostat Housing Assembly for GMC

    PartNumber: 902-2089
    Product Specifications
    • Bleeder Hole: No
    • Bolt Hole Center To Bolt Hole Center: 3.4"
    • Bolt Hole Quantity: 2
    • Color/Finish: Natural
    • Flange Length: 2.75"
    • Flange Thickness: 0.438"
    • Flange Width: 4.1"
    • Gasket Type: Gasket
    • Grade Type: Regular
    • Inside Diameter: 0.97"
    • Material: Metal
    • Mounting Hardware Included: No
    • OE Part Number: 12651603
    • Outlet Port Quantity: 1
    • Thermostat Opening Temperature (F): 195 Degrees
    • UPC: 885484853409
    • Part Description: GMC Engine Coolant Thermostat Housing Assembly
    More Info
    $40.84
  • Four Seasons Engine Coolant Water Outlet for GMC - 86173

    Four Seasons® Engine Coolant Water Outlet for GMC

    PartNumber: 86173
    Product Specifications
    • Description: Engine Coolant Components
    • Gasket Or Seal Included: Included
    • Inlet Dia. IN: 1.551
    • Material: Aluminum
    • Maximum Height: 10.000
    • Meets / Exceeds OEM?: Yes
    • Mnt Flange Width IN: 1.202
    • Mounting Hole Quantity: 2
    • Style: w/o Thermostat
    • Thermostat Included?: Not Included
    • UPC: 096361072213
    • Part Description: GMC Engine Coolant Water Outlet
    More Info
    $36.44
  • OEM (Genuine) GMC Water Outlet

    PartNumber: 12622316
    OEM GMC Water Outlet - 12622316
    Product Specifications
    • Other Names: Thermostat Housing, Water Outlet
    • Item Dimensions: 6.7 x 4.5 x 4.4 inches
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12579956, 12620113
    • Part Description: GMC Water Outlet
    More Info
    $79.00 MSRP: $149.08
    You Save: $70.08 (48%)
  • Dorman Engine Coolant Thermostat Housing Assembly for GMC - 902-2836

    Dorman® Engine Coolant Thermostat Housing Assembly for GMC

    PartNumber: 902-2836
    Product Specifications
    • OE Part Number: 12600172, 12581594, 12568911, 8125815940, 8125689110, 8126001720
    • Package Contents: 1 Thermostat Housing
    • UPC: 889245054883
    • Part Description: GMC Engine Coolant Thermostat Housing Assembly
    More Info
    $39.33
  • Four Seasons Engine Coolant Water Outlet for GMC - 86172

    Four Seasons® Engine Coolant Water Outlet for GMC

    PartNumber: 86172
    Product Specifications
    • Description: Engine Coolant Components
    • Gasket Or Seal Included: Included
    • Inlet Dia. IN: 1.551
    • Material: Aluminum
    • Maximum Height: 7.000
    • Meets / Exceeds OEM?: Yes
    • Mnt Flange Width IN: 1.202
    • Style: w/o Thermostat
    • Thermostat Included?: Not Included
    • UPC: 096361072077
    • Part Description: GMC Engine Coolant Water Outlet
    More Info
    $32.58
  • OEM (Genuine) GMC Thermostat Cover

    PartNumber: 97225886
    OEM GMC Thermostat Cover - 97225886
    Product Specifications
    • Other Names: Thermostat Cover
    • Item Dimensions: 6.6 x 3.5 x 3.9 inches
    • Item Weight: 1.10 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Thermostat Cover
    More Info
    $343.18 MSRP: $544.88
    You Save: $201.70 (38%)
  • Dorman Engine Coolant Thermostat Housing Assembly for GMC - 902-2094

    Dorman® Engine Coolant Thermostat Housing Assembly for GMC

    PartNumber: 902-2094
    Product Specifications
    • Bleeder Hole: No
    • Bolt Hole Center To Bolt Hole Center: 2.78"
    • Bolt Hole Quantity: 2
    • Color: Natural
    • Flange Length: 3.69"
    • Flange Thickness: 0.31"
    • Flange Width: 2.59"
    • Gasket Type: Gasket
    • Grade Type: Regular
    • Inside Diameter: 1.91"
    • Material: Aluminum
    • Mounting Hardware Included: No
    • Outlet Port Quantity: 1
    • Thermostat Opening Temperature: 180 Deg. F
    • UPC: 889245083111
    • Part Description: GMC Engine Coolant Thermostat Housing Assembly
    More Info
    $33.37
  • Four Seasons Engine Coolant Water Outlet W O Thermostat for GMC - 85224

    Four Seasons® Engine Coolant Water Outlet W O Thermostat for GMC

    PartNumber: 85224
    Product Specifications
    • Description: Engine Coolant Components
    • Gasket Or Seal Included: Included
    • Inlet Dia. IN: 1.445
    • Material: Aluminum
    • Maximum Height: 3.093
    • Meets / Exceeds OEM?: Yes
    • Mnt Flange Width IN: 0.461
    • Style: w/o Thermostat
    • Thermostat Included?: Not Included
    • UPC: 096361852242
    • Part Description: GMC Engine Coolant Water Outlet W O Thermostat
    More Info
    $24.37
  • OEM (Genuine) GMC Thermostat Unit

    PartNumber: 12587395
    OEM GMC Thermostat Unit - 12587395
    Product Specifications
    • Item Dimensions: 4.0 x 4.2 x 4.1 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Thermostat Unit
    More Info
    $7.50 MSRP: $13.56
    You Save: $6.06 (45%)
  • Dorman Engine Coolant Water Outlet for GMC - 902-695

    Dorman® Engine Coolant Water Outlet for GMC

    PartNumber: 902-695
    Product Specifications
    • Air Vent (Bleeder Valve): No
    • Bolt Hole Diameter: 0.25"
    • Bolt Hole Quantity: 2
    • Bolts Included: No
    • Color/Finish: Natural
    • Housing Neck Angle (°): 30 Degree
    • Material: Metal
    • O Rings Included: Not Required
    • OE Part Number: 12605785
    • Outlet Diameter: 1.375"
    • UPC: 037495788199
    • Part Description: GMC Engine Coolant Water Outlet
    More Info
    $30.93
  • Four Seasons Engine Coolant Thermostat Housing W O Thermostat for GMC - 85254

    Four Seasons® Engine Coolant Thermostat Housing W O Thermostat for GMC

    PartNumber: 85254
    Product Specifications
    • Bolt Hole Center To Bolt Hole Center: 3.000
    • Description: Engine Coolant Components
    • Flange Thickness: 0.395
    • Gasket Or Seal Included: Included
    • Inlet Port Diameter: 1.307
    • Material: Aluminum
    • Meets / Exceeds OEM?: Yes
    • Overall Height IN: 2.51
    • Style: w/o Thermostat
    • Symetrical Base?: Yes
    • Thermostat Included?: Not Included
    • UPC: 096361852549
    • Part Description: GMC Engine Coolant Thermostat Housing W O Thermostat
    More Info
    $24.40
  • OEM (Genuine) GMC Thermostat Unit

    PartNumber: 12673413
    OEM GMC Thermostat Unit - 12673413
    Product Specifications
    • Item Dimensions: 6.2 x 5.1 x 5.1 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12669633, 12656949
    • Replaced by: 25205818
    • Part Description: GMC Thermostat Unit
    More Info
    $99.85 MSRP: $188.42
    You Save: $88.57 (48%)
  • Dorman Engine Coolant Thermostat Housing for GMC - 902-2063

    Dorman® Engine Coolant Thermostat Housing for GMC

    PartNumber: 902-2063
    Product Specifications
    • Air Vent (Bleeder Valve): Yes
    • Bolt Hole Diameter: 0.313"
    • Bolt Hole Quantity: 4
    • Bolts Included: No
    • Color/Finish: Natural
    • Housing Neck Angle (°): 45 Degree
    • Material: Metal
    • O Rings Included: Not Required
    • OE Part Number: 12564276
    • Outlet Diameter: 1.81"
    • Thermostat Included: No
    • UPC: 885484546547
    • Part Description: GMC Engine Coolant Thermostat Housing
    More Info
    $40.15
  • Four Seasons Engine Coolant Water Outlet W O Thermostat for GMC - 85168

    Four Seasons® Engine Coolant Water Outlet W O Thermostat for GMC

    PartNumber: 85168
    Product Specifications
    • Bolt Hole Center To Bolt Hole Center: 3.250
    • Description: Engine Coolant Components
    • Gasket Or Seal Included: Included
    • Inlet Dia. IN: 1.210
    • Material: Steel
    • Maximum Height: 3.959
    • Meets / Exceeds OEM?: Yes
    • Mnt Flange Width IN: 0.333
    • Style: w/o Thermostat
    • Symetrical Base?: Yes
    • Thermostat Included?: Not Included
    • UPC: 096361851689
    • Part Description: GMC Engine Coolant Water Outlet W O Thermostat
    More Info
    $22.51
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About GMC Thermostat Housing

GMC has comprehensive lines like GMC parts and accessories. The company is well-known for its light-duty trucks as well as cars. Classic parts like the thermostat housing parts contribute to the success of GMC. The part houses the thermostat which helps coolant travel. It is responsible for allowing restriction of the travel of coolant.
GMC has many merits, but problems arise after its thermostat housing parts have been used for a long period. A GMC thermostat housing is used to house the thermostat and help regulate the flow of coolant. The removal process for a GMC thermostat housing is as follows. Disconnect the negative battery terminal. Locate the thermostat housing. And drain some of the engine's coolant. After that, remove the upper radiator hose. Remove the thermostat housing mounting bolts. And finally, pull the housing off the engine block. From the body parts to the performance parts, a long catalog of advanced GMC products is given online. We offer you a variety of auto parts at a reasonable price.