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

2003 Chevrolet Silverado 2500 HD Thermostat Housing

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2003 Chevrolet Silverado 2500 HD
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  • 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%)
  • Dorman Engine Coolant Thermostat Housing Assembly for 2003 Chevrolet Silverado 2500 HD - 902-2836

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

    PartNumber: 902-2836
    Product Specifications
    • Notes: wo/Water Pump Casting# 12562459; Use If Original Water Pump Replaced w/Later Design; Includes Thermostat
    • OE Part Number: 12600172, 12581594, 12568911, 8125815940, 8125689110, 8126001720
    • Package Contents: 1 Thermostat Housing
    • UPC: 889245054883
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Thermostat Housing Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    $39.33
  • Gates Engine Coolant Water Outlet for 2003 Chevrolet Silverado 2500 HD - CO34923

    Gates® Engine Coolant Water Outlet for 2003 Chevrolet Silverado 2500 HD

    PartNumber: CO34923
    Product Specifications
    • Notes: Thermostat Cover; W/GM Updated Replacement Water Pump
    • 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: 2003 Chevrolet Silverado 2500 HD Engine Coolant Water Outlet
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    $24.81
  • 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%)
  • Four Seasons Engine Coolant Water Outlet W O Thermostat for 2003 Chevrolet Silverado 2500 HD - 85253

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

    PartNumber: 85253
    Product Specifications
    • Notes: Outlet
    • Bolt Hole Center To Bolt Hole Center: 3.125
    • 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: 2003 Chevrolet Silverado 2500 HD Engine Coolant Water Outlet W O Thermostat
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L
    $64.13
  • Dorman Engine Coolant Thermostat Housing for 2003 Chevrolet Silverado 2500 HD - 902-2068

    Dorman® Engine Coolant Thermostat Housing for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 902-2068
    Product Specifications
    • Notes: Cover
    • Air Vent (Bleeder Valve): Yes
    • Bolt Hole Diameter: 0.313"
    • Bolt Hole Quantity: 4
    • Bolts Included: No
    • Color/Finish: Natural
    • Material: Metal
    • O Rings Included: Not Required
    • OE Part Number: 97225886
    • Outlet Diameter: 2"
    • Thermostat Included: No
    • UPC: 885484546646
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Thermostat Housing
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L
    $37.06
  • 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%)
  • Four Seasons Engine Coolant Thermostat Housing W O Thermostat for 2003 Chevrolet Silverado 2500 HD - 85254

    Four Seasons® Engine Coolant Thermostat Housing W O Thermostat for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 85254
    Product Specifications
    • Notes: w/o Thermostat
    • Bolt Hole Center To Bolt Hole Center: 3.000
    • 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: 2003 Chevrolet Silverado 2500 HD Engine Coolant Thermostat Housing W O Thermostat
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    $24.40
  • Dorman Engine Coolant Thermostat Housing for 2003 Chevrolet Silverado 2500 HD - 902-2700

    Dorman® Engine Coolant Thermostat Housing for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 902-2700
    Product Specifications
    • Notes: Incls Thermostat; w/Water Pump Casting# 12562459; w/Thermostat Retainer Brackets; 180 Degrees Fahrenheit
    • Bleeder Hole: No
    • Bolt Hole Center To Bolt Hole Center: 3"
    • Bolt Hole Quantity: 3
    • Color: Natural
    • Flange Length: 4.376"
    • Flange Thickness: 0.35"
    • Flange Width: 2.75"
    • Gasket or Seal Included: Yes
    • Gasket Type: O Ring
    • Grade Type: Regular
    • Inside Diameter: 1.3"
    • Material: Aluminum
    • Mounting Hardware Included: No
    • Outlet Port Quantity: 1
    • Package Contents: 1 Thermostat Housing; 1 Thermostat; 1 O-Ring
    • Thermostat Included: Yes
    • Thermostat Opening Temperature: 180 Deg. F
    • UPC: 889245055224
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Thermostat Housing
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    $23.46
  • Four Seasons Engine Coolant Water Outlet W O Thermostat for 2003 Chevrolet Silverado 2500 HD - 85191

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

    PartNumber: 85191
    Product Specifications
    • Notes: Outlet
    • Bolt Hole Center To Bolt Hole Center: 2.375
    • Gasket or Seal Included: Included
    • Material: Aluminum
    • Meets / Exceeds OEM: Yes
    • Style: w/o Thermostat
    • Symetrical Base: Yes
    • Thermostat Included: Not Included
    • UPC: 096361851917
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Water Outlet W O Thermostat
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 8.1L
    $19.87
  • 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%)
  • Dorman Engine Coolant Thermostat Housing for 2003 Chevrolet Silverado 2500 HD - 902-2701

    Dorman® Engine Coolant Thermostat Housing for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 902-2701
    Product Specifications
    • Notes: Incls Thermostat; w/Water Pump Casting# 12562459; w/Thermostat Retainer Brackets; 160 Degrees Fahrenheit
    • Bleeder Hole: No
    • Bolt Hole Center To Bolt Hole Center: 3"; 0.87"
    • Bolt Hole Quantity: 3
    • Color/Finish: Natural
    • Flange Length: 4.39"
    • Flange Thickness: 0.4"
    • Flange Width: 2.701"
    • Gasket Type: Gasket
    • Grade Type: Regular
    • Inside Diameter: 1.236"
    • Material: Metal
    • Mounting Hardware Included: No
    • OE Part Number: 12571261, 8125712610
    • Outlet Port Quantity: 1
    • Thermostat Included: No
    • Thermostat Opening Temperature (F): 160 Degrees
    • UPC: 889245054906
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Thermostat Housing
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    $22.83
  • Dorman Engine Coolant Thermostat Housing for 2003 Chevrolet Silverado 2500 HD - 902-836

    Dorman® Engine Coolant Thermostat Housing for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 902-836
    Product Specifications
    • Notes: Cover; Does Not Incl Thermostat; wo/Water Pump Casting# 12562459; Use If Original Water Pump Replaced w/Later Design
    • Air Vent (Bleeder Valve): No
    • Bolt Hole Diameter: 0.313"
    • Bolt Hole Quantity: 2
    • Bolts Included: No
    • Color/Finish: Natural
    • Gasket or Seal Included: No
    • Housing Neck Angle (°): 30 Degree
    • Material: Metal
    • O Rings Included: Not Required
    • OE Part Number: 12600172, 12581594, 12568911
    • Outlet Diameter: 1.64"
    • Thermostat Included: No
    • UPC: 037495607070
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Thermostat Housing
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    $18.24
  • Dorman Engine Coolant Thermostat Housing for 2003 Chevrolet Silverado 2500 HD - 902-2060

    Dorman® Engine Coolant Thermostat Housing for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 902-2060
    Product Specifications
    • Notes: Cover
    • Air Vent (Bleeder Valve): No
    • Bolt Hole Diameter: 0.313"
    • Bolt Hole Quantity: 3
    • Bolts Included: No
    • Color/Finish: Natural
    • Housing Neck Angle (°): 180 Degree
    • Material: Metal
    • O Rings Included: Not Required
    • OE Part Number: 12559861
    • Outlet Diameter: 1.5"
    • Thermostat Included: No
    • UPC: 885484546486
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Thermostat Housing
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 8.1L
    $20.43
  • Dorman Engine Coolant Thermostat Housing for 2003 Chevrolet Silverado 2500 HD - 902-700

    Dorman® Engine Coolant Thermostat Housing for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 902-700
    Product Specifications
    • Notes: w/Water Pump Casting# 12562459; w/Thermostat Retainer Brackets; Incls 186 Fahrenheit Degree Thermostat
    • Bleeder Hole: No
    • Bolt Hole Center To Bolt Hole Center: 2.726"; 3.547"
    • Bolt Hole Quantity: 2
    • Color/Finish: Natural
    • Flange Length: 4.39"
    • Flange Thickness: 0.399"
    • Flange Width: 2.701"
    • Gasket Type: Gasket
    • Grade Type: Regular
    • Inside Diameter: 1.236"
    • Material: Metal
    • Mounting Hardware Included: No
    • OE Part Number: 12571261
    • Outlet Port Quantity: 1
    • Thermostat Opening Temperature (F): 186 Degrees
    • UPC: 037495708449
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Thermostat Housing
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    $13.59
  • 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