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Replacement and OEM Parts for 2003 Chevrolet Trailblazer EXT Thermostat and Housing Assembly

2003 Chevrolet Trailblazer EXT Thermostat and Housing Assembly

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2003 Chevrolet Trailblazer EXT
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  • OEM 2003 Chevrolet Trailblazer EXT Thermostat Unit Diagram - 12600171
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Trailblazer EXT Thermostat Unit

    PartNumber: 12600171
    OEM 2003 Chevrolet Trailblazer EXT Thermostat Unit - 12600171
    Product Specifications
    • Notes: 5.3 Liter
    • Other Names: Thermostat, Thermostat Unit
    • Item Dimensions: 3.1 x 3.1 x 3.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12581595
    • Part Description: 2003 Chevrolet Trailblazer EXT Thermostat Unit
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 8 Cyl 5.3 L GAS
    $20.87 MSRP: $39.42
    You Save: $18.55 (48%)
  • Gates Engine Coolant Thermostat With Housing And Seal for 2003 Chevrolet Trailblazer EXT - 34702

    Gates® Engine Coolant Thermostat With Housing And Seal for 2003 Chevrolet Trailblazer EXT

    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 Trailblazer EXT Engine Coolant Thermostat With Housing And Seal
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $52.88
  • Four Seasons Engine Coolant Thermostat And Housing Assembly for 2003 Chevrolet Trailblazer EXT - 85580

    Four Seasons® Engine Coolant Thermostat And Housing Assembly for 2003 Chevrolet Trailblazer EXT

    PartNumber: 85580
    Product Specifications
    • Notes: w/Thermostat; w/Thermostat;Outlet 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 Trailblazer EXT Engine Coolant Thermostat And Housing Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $18.08
  • OEM 2003 Chevrolet Trailblazer EXT Thermostat Unit Diagram - 12571261
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Trailblazer EXT Thermostat Unit

    PartNumber: 12571261
    OEM 2003 Chevrolet Trailblazer EXT Thermostat Unit - 12571261
    Product Specifications
    • Notes: 5.3 Liter; S-Series
    • 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 Trailblazer EXT Thermostat Unit
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 8 Cyl 5.3 L GAS
    $40.51 MSRP: $76.45
    You Save: $35.94 (48%)
  • Gates Engine Coolant Thermostat With Housing And Seal for 2003 Chevrolet Trailblazer EXT - 33939

    Gates® Engine Coolant Thermostat With Housing And Seal for 2003 Chevrolet Trailblazer EXT

    PartNumber: 33939
    Product Specifications
    • Notes: 192 Degree; OE Temperature; Seal Included
    • Check Valve: No
    • Electric: No
    • Jiggle Pin: Yes
    • Number of Bolt Holes: 2
    • Number of Seals: 1
    • OE Exact: No
    • Outlet Inside Diameter 1: 1.067"
    • Outlet Outside Diameter 1: 1.3"
    • Temperature (F): 192
    • Type: Integrated Housing Thermostat
    • UPC: 072053877229
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Coolant Thermostat With Housing And Seal
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $25.52
  • OEM 2003 Chevrolet Trailblazer EXT Thermostat Housing Diagram - 12620112
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Trailblazer EXT Thermostat Housing

    PartNumber: 12620112
    OEM 2003 Chevrolet Trailblazer EXT Thermostat Housing - 12620112
    Product Specifications
    • Notes: 4.2 Liter; S-Series; Includes Thermostat.
    • 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: 2003 Chevrolet Trailblazer EXT Thermostat Housing
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 6 Cyl 4.2 L GAS
    $49.67 MSRP: $89.90
    You Save: $40.23 (45%)
  • Gates Engine Coolant Thermostat With Housing And Seal for 2003 Chevrolet Trailblazer EXT - 33910

    Gates® Engine Coolant Thermostat With Housing And Seal for 2003 Chevrolet Trailblazer EXT

    PartNumber: 33910
    Product Specifications
    • Notes: 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 Trailblazer EXT Engine Coolant Thermostat With Housing And Seal
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $20.80
  • STANT Engine Coolant Thermostat and Housing Assembly for 2003 Chevrolet Trailblazer EXT - 14659

    STANT® Engine Coolant Thermostat and Housing Assembly for 2003 Chevrolet Trailblazer EXT

    PartNumber: 14659
    Product Specifications
    • Notes: Seal Included Seal Included; OE Temperature, Located on Drivers side
    • Flange Diameter (With Seal): 1.41"
    • Flange Diameter (Without Seal): 2.84"
    • Height from Flange to Bottom: 1.12"
    • OE Part Number: 12620112, 12572988, 12567750, 12602913, 24576961
    • Temperature (F): 187 Degrees
    • UPC: 033342042544
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Coolant Thermostat and Housing Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $29.41
  • OEM 2003 Chevrolet Trailblazer EXT Water Outlet Diagram - 24576963
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Trailblazer EXT Water Outlet

    PartNumber: 24576963
    OEM 2003 Chevrolet Trailblazer EXT Water Outlet - 24576963
    Product Specifications
    • Notes: 4.2 Liter
    • Other Names: Water Outlet
    • Item Dimensions: 11.5 x 5.3 x 5.1 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Trailblazer EXT Water Outlet
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 6 Cyl 4.2 L GAS
    $25.26 MSRP: $37.61
    You Save: $12.35 (33%)
  • STANT Engine Coolant Thermostat and Housing Assembly for 2003 Chevrolet Trailblazer EXT - 14298

    STANT® Engine Coolant Thermostat and Housing Assembly for 2003 Chevrolet Trailblazer EXT

    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 Trailblazer EXT Engine Coolant Thermostat and Housing Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
  • STANT Engine Coolant Thermostat and Housing Assembly for 2003 Chevrolet Trailblazer EXT - 14296

    STANT® Engine Coolant Thermostat and Housing Assembly for 2003 Chevrolet Trailblazer EXT

    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 Trailblazer EXT Engine Coolant Thermostat and Housing Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L