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Replacement and OEM Parts for 2003 Chevrolet Silverado 2500 HD Thermostat and Housing Assembly

2003 Chevrolet Silverado 2500 HD Thermostat and Housing Assembly

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2003 Chevrolet Silverado 2500 HD
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  • Gates Engine Coolant Thermostat With Housing And Seal for 2003 Chevrolet Silverado 2500 HD - 34702

    Gates® Engine Coolant Thermostat With Housing And Seal for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 34702
    Product Specifications
    • Notes: W/GM Updated Replacement Water Pump; Incls Housing; 187 Degree; OE Temperature; Seal Incld
    • Check Valve: No
    • Electric: No
    • Jiggle Pin: Yes
    • Number of Bolt Holes: 2
    • Number of Seals: 1
    • OE Exact: No
    • Outlet Inside Diameter 1: 1.175"
    • Outlet Outside Diameter 1: 1.554"
    • Temperature (F): 187
    • Type: Integrated Housing Thermostat
    • UPC: 770075631569
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Thermostat With Housing And Seal
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    $48.07
  • OEM 2003 Chevrolet Silverado 2500 HD Thermostat Diagram - 97241129
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Thermostat

    PartNumber: 97241129
    OEM 2003 Chevrolet Silverado 2500 HD Thermostat - 97241129
    Product Specifications
    • Notes: All Models; 6.6L; Front; 6.6 Liter Turbo 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: 2003 Chevrolet Silverado 2500 HD Thermostat
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, High Country, LS, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
    $33.70 MSRP: $68.40
    You Save: $34.70 (51%)
  • Gates Engine Coolant Thermostat With Housing And Seal for 2003 Chevrolet Silverado 2500 HD - 33910

    Gates® Engine Coolant Thermostat With Housing And Seal for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 33910
    Product Specifications
    • Notes: w/o E or Most Aftermarket Water Pumps; 186 Degree; OE Temperature; Seal Incld;W/OE or Most Aftermarket Water Pumps; 186 Degree; OE Temperature; Seal Incld
    • Check Valve: No
    • Electric: No
    • Jiggle Pin: Yes
    • Number of Bolt Holes: 2
    • Number of Seals: 1
    • OE Exact: No
    • Outlet Inside Diameter 1: 1.31"
    • Outlet Outside Diameter 1: 1.65"
    • Temperature (F): 187
    • Type: Integrated Housing Thermostat
    • UPC: 072053675979
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Thermostat With Housing And Seal
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    $18.91
  • OEM 2003 Chevrolet Silverado 2500 HD Inlet Assembly Diagram - 12600172
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Inlet Assembly

    PartNumber: 12600172
    OEM 2003 Chevrolet Silverado 2500 HD Inlet Assembly - 12600172
    Product Specifications
    • Notes: 4.8, 5.3 & 6.0 Liter
    • Item Dimensions: 6.4 x 4.2 x 4.2 inches
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12581594
    • Part Description: 2003 Chevrolet Silverado 2500 HD Inlet Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, LTZ, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    $42.42 MSRP: $80.07
    You Save: $37.65 (48%)
  • OEM 2003 Chevrolet Silverado 2500 HD Thermostat Unit Diagram - 12571261
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Thermostat Unit

    PartNumber: 12571261
    OEM 2003 Chevrolet Silverado 2500 HD Thermostat Unit - 12571261
    Product Specifications
    • Notes: All Models; 4.8L, 5.3L, 6.0L; Includes Thermostat
    • 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: 2003 Chevrolet Silverado 2500 HD Thermostat Unit
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    $40.51 MSRP: $76.45
    You Save: $35.94 (48%)
  • OEM 2003 Chevrolet Silverado 2500 HD Thermostat Housing Diagram - 12578330
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Thermostat Housing

    PartNumber: 12578330
    OEM 2003 Chevrolet Silverado 2500 HD Thermostat Housing - 12578330
    Product Specifications
    • Notes: All Models; 8.1L; Engine Cooling Pipe
    • 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: 2003 Chevrolet Silverado 2500 HD Thermostat Housing
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, WT | 8 Cyl 8.1 L GAS
    $205.37 MSRP: $326.07
    You Save: $120.70 (38%)
  • OEM 2003 Chevrolet Silverado 2500 HD Thermostat Cover Diagram - 97225886
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Thermostat Cover

    PartNumber: 97225886
    OEM 2003 Chevrolet Silverado 2500 HD Thermostat Cover - 97225886
    Product Specifications
    • Notes: 6.6 Liter Turbo Diesel
    • 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: 2003 Chevrolet Silverado 2500 HD Thermostat Cover
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, WT | 8 Cyl 6.6 L DIESEL
    $343.18 MSRP: $544.88
    You Save: $201.70 (38%)
  • OEM 2003 Chevrolet Silverado 2500 HD Thermostat Diagram - 12559575
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Thermostat

    PartNumber: 12559575
    OEM 2003 Chevrolet Silverado 2500 HD Thermostat - 12559575
    Product Specifications
    • Notes: All Models; 8.1L; 8.1 Liter Gas
    • Other Names: Thermostat
    • Item Dimensions: 3.2 x 2.1 x 2.0 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12559573, 10210450, 12559269
    • Part Description: 2003 Chevrolet Silverado 2500 HD Thermostat
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, WT | 8 Cyl 8.1 L GAS
    $17.45 MSRP: $32.90
    You Save: $15.45 (47%)
  • OEM 2003 Chevrolet Silverado 2500 HD Thermostat Diagram - 97241130
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Thermostat

    PartNumber: 97241130
    OEM 2003 Chevrolet Silverado 2500 HD Thermostat - 97241130
    Product Specifications
    • Notes: All Models; 6.6L; Rear; 6.6 Liter Turbo 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: 2003 Chevrolet Silverado 2500 HD Thermostat
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, Custom, High Country, LS, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
  • Four Seasons Engine Coolant Water Outlet for 2003 Chevrolet Silverado 2500 HD - 86220

    Four Seasons® Engine Coolant Water Outlet for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 86220
    Product Specifications
    • Bleeder Screw Included: Not Included
    • Gasket or Seal Included: Included
    • Inlet Dia. IN: 1.551
    • Material: Aluminum
    • Maximum Height: 2.50
    • Meets / Exceeds OEM: Yes
    • Mnt Flange Width IN: 0.320
    • Outlet Quantity: 1.000
    • Style: w/ Thermostat
    • Thermostat Included: Included
    • UPC: 096361093072
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Water Outlet
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
  • STANT Engine Coolant Thermostat and Housing Assembly for 2003 Chevrolet Silverado 2500 HD - 14298

    STANT® Engine Coolant Thermostat and Housing Assembly for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 14298
    Product Specifications
    • Notes: Seal Included Seal Included; W/OE or Most Aftermarket Water Pumps; OE Temperature; This part is also available in the Engine Coolant Thermostat Kit 102KT, which contains 10248 (Radiator Cap) and 74050 (Engine Coolant Temperature Sensor)
    • Bypass Plate Diameter: 1.45"
    • Flange Diameter (Without Seal): 2.55"
    • Height from Flange to Bottom: 1.88"
    • OE Part Number: 12571261, 12562740, 12561156, 12558853, 12572740, 12555717, 12558838, 12561157
    • Temperature (F): 186 Degrees
    • UPC: 033342497115
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Thermostat and Housing Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
  • Four Seasons Engine Coolant Thermostat And Housing Assembly for 2003 Chevrolet Silverado 2500 HD - 85580

    Four Seasons® Engine Coolant Thermostat And Housing Assembly for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 85580
    Product Specifications
    • Notes: w/Thermostat; w/Thermostat
    • Flange Thickness: 0.403
    • Gasket or Seal Included: Included
    • Inlet Port Diameter: 1.222
    • Material: Aluminum
    • Meets / Exceeds OEM: Yes
    • Overall Height IN: 2.400
    • Style: w/ Thermostat
    • Thermostat Included: Included
    • UPC: 096361855809
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Thermostat And Housing Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
  • STANT Engine Coolant Thermostat and Housing Assembly for 2003 Chevrolet Silverado 2500 HD - 14296

    STANT® Engine Coolant Thermostat and Housing Assembly for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 14296
    Product Specifications
    • Notes: Seal Included Seal Included; W/OE or Most Aftermarket Water Pumps; Alternate Temperature
    • Temperature (F): 160 Degrees
    • UPC: 333420699302
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Thermostat and Housing Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
  • STANT Engine Coolant Thermostat and Housing Assembly for 2003 Chevrolet Silverado 2500 HD - 15828

    STANT® Engine Coolant Thermostat and Housing Assembly for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 15828
    Product Specifications
    • Freight Class: 70
    • Temperature (F): 186 Degrees
    • UPC: 333421749860
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Thermostat and Housing Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
  • OEM 2003 Chevrolet Silverado 2500 HD Housing-Engine Coolant Thermostat Diagram - 97383583
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Housing-Engine Coolant Thermostat

    PartNumber: 97383583
    OEM 2003 Chevrolet Silverado 2500 HD Housing-Engine Coolant Thermostat - 97383583
    Product Specifications
    • Notes: All Models; 6.6L; 6.6 Liter Turbo Diesel
    • Other Names: Thermostat Housing
    • Item Dimensions: 21.0 x 7.2 x 5.7 inches
    • Item Weight: 2.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 97222428
    • Part Description: 2003 Chevrolet Silverado 2500 HD Housing-Engine Coolant Thermostat
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
  • OEM 2003 Chevrolet Silverado 2500 HD Engine Coolant Outlet Diagram - 12559861
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Engine Coolant Outlet

    PartNumber: 12559861
    OEM 2003 Chevrolet Silverado 2500 HD Engine Coolant Outlet - 12559861
    Product Specifications
    • Notes: All Models; 8.1L; Water Outlet; 8.1 Liter Gas
    • Other Names: Thermostat Housing, Thermostat Outlet
    • Item Dimensions: 4.4 x 4.5 x 4.2 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Outlet
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, WT | 8 Cyl 8.1 L GAS