Search Bar
Search by Part Number, Part Name, or Vehicle
  • My Garage
  • Cart
  • OE Parts
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Shop OE Parts
  • Shop By Category
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting

2018 GMC Sierra 3500 HD Thermostat and Housing Assembly

My Vehicle Change Vehicle
2018 GMC Sierra 3500 HD
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Cooling Systems, Fans & Radiators
  • Department
  • Prices

6 Products found

Sort by:
Recommended
Filter Results
Sort
View by
  • OEM 2018 GMC Sierra 3500 HD Thermostat - 97241129
    OEM 2018 GMC Sierra 3500 HD Thermostat Diagram - 97241129
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 3500 HD Thermostat

    PartNumber: 97241129
    $35.38 MSRP: $71.82
    You Save: $36.44 (51%)
    Product Specifications
    • Notes: 6.6 Liter Diesel, 185 Deg
    • 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: 2018 GMC Sierra 3500 HD Thermostat
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 3500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
  • OEM 2018 GMC Sierra 3500 HD Thermostat - 97241130
    OEM 2018 GMC Sierra 3500 HD Thermostat Diagram - 97241130
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 3500 HD Thermostat

    PartNumber: 97241130
    $33.25 MSRP: $62.76
    You Save: $29.51 (48%)
    Product Specifications
    • Notes: 6.6 Liter Diesel, 180 Deg
    • 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: 2018 GMC Sierra 3500 HD Thermostat
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 3500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
  • OEM 2018 GMC Sierra 3500 HD Thermostat - 89018168
    OEM 2018 GMC Sierra 3500 HD Thermostat Diagram - 89018168
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 3500 HD Thermostat

    PartNumber: 89018168
    $41.72 MSRP: $78.71
    You Save: $36.99 (47%)
    Product Specifications
    • Notes: 6.0 Liter; Silverado, Sierra; 6.0l
    • 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: 2018 GMC Sierra 3500 HD Thermostat
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 3500 HD | AT4, Base, Denali, Pro, 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 FLEX, 8 Cyl 6.6 L GAS
  • OEM 2018 GMC Sierra 3500 HD Thermostat Housing - 12643796
    OEM 2018 GMC Sierra 3500 HD Thermostat Housing Diagram - 12643796
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 3500 HD Thermostat Housing

    PartNumber: 12643796
    $110.92 MSRP: $209.30
    You Save: $98.38 (48%)
    Product Specifications
    • Notes: 6.6 Liter Diesel; Silverado, Sierra; 6.6l
    • Other Names: Thermostat Housing
    • Item Dimensions: 9.3 x 6.4 x 21.8 inches
    • Item Weight: 4.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12693295
    • Part Description: 2018 GMC Sierra 3500 HD Thermostat Housing
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 3500 HD | AT4, Base, Denali, Denali Ultimate, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL
  • OEM 2018 GMC Sierra 3500 HD Thermostat - 12680457
    OEM 2018 GMC Sierra 3500 HD Thermostat Diagram - 12680457
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 3500 HD Thermostat

    PartNumber: 12680457
    $42.88 MSRP: $80.94
    You Save: $38.06 (48%)
    Product Specifications
    • Notes: Silverado, Sierra; 6.6l; 180 Degrees
    • Other Names: Thermostat
    • Item Dimensions: 3.1 x 2.1 x 2.0 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 3500 HD Thermostat
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 3500 HD | AT4, Base, Denali, Denali Ultimate, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL
  • OEM 2018 GMC Sierra 3500 HD Thermostat - 12680456
    OEM 2018 GMC Sierra 3500 HD Thermostat Diagram - 12680456
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 3500 HD Thermostat

    PartNumber: 12680456
    $21.93 MSRP: $41.40
    You Save: $19.47 (48%)
    Product Specifications
    • Notes: Silverado, Sierra; 6.6l; 185 Degrees
    • Other Names: Thermostat
    • Item Dimensions: 3.1 x 2.0 x 2.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 3500 HD Thermostat
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 3500 HD | AT4, Base, Denali, Denali Ultimate, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL