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Replacement and OEM Parts for 2018 GMC Sierra 1500 Thermostat

2018 GMC Sierra 1500 Thermostat

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2018 GMC Sierra 1500
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  • OEM 2018 GMC Sierra 1500 Water Outlet Diagram - 12674639
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    OEM (Genuine) 2018 GMC Sierra 1500 Water Outlet

    PartNumber: 12674639
    OEM 2018 GMC Sierra 1500 Water Outlet - 12674639
    Product Specifications
    • Notes: Sierra, Silverado
    • Other Names: Thermostat, Thermostat Housing, Water Outlet
    • Item Dimensions: 6.9 x 6.4 x 6.4 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12666569, 12671393, 12657137
    • Part Description: 2018 GMC Sierra 1500 Water Outlet
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
  • STANT OE Type Engine Coolant Thermostat for 2018 GMC Sierra 1500 - 15148

    STANT® OE Type Engine Coolant Thermostat for 2018 GMC Sierra 1500

    PartNumber: 15148
    Product Specifications
    • Notes: Temperature 180 Degrees; Part Replacement Replaces 46148; w/ EASSIST
    • Bypass Plate Diameter: 1.44"
    • Flange Diameter (Without Seal): 1.64"
    • Height from Flange to Bottom: 1.886"
    • OE Part Number: 12651113, 12638836, 12599235, 12597257, 12620254, 12586468, 12620258, 12574355, 12573977, 12557914, 12570247, 12638184, 12616820, 12652327, 12603830, 12608657, 12631889, 12620259, 12584433, 12597255, 12631895, 12638185, 12620251, 12638893, 12652328, 17690
    • Temperature (F): 180 Degrees
    • UPC: 033342130845
    • Part Description: 2018 GMC Sierra 1500 OE Type Engine Coolant Thermostat
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2018 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
  • STANT Engine Coolant Thermostat and Housing Assembly for 2018 GMC Sierra 1500 - 50129

    STANT® Engine Coolant Thermostat and Housing Assembly for 2018 GMC Sierra 1500

    PartNumber: 50129
    Product Specifications
    • Temperature (F): 194 Degrees
    • UPC: 333421695792
    • Part Description: 2018 GMC Sierra 1500 Engine Coolant Thermostat and Housing Assembly
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2018 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L