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Replacement and OEM Parts for 2003 Chevrolet Trailblazer EXT Cooling Systems, Fans, Radiators & Components

2003 Chevrolet Trailblazer EXT Cooling Systems, Fans, Radiators & Components

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Engine & Drivetrain

135 products about 2003 Chevrolet Trailblazer EXT Cooling Systems, Fans, Radiators & Components found

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  • OEM 2003 Chevrolet Trailblazer EXT Sensor Diagram - 12608814
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Trailblazer EXT Sensor

    PartNumber: 12608814
    OEM 2003 Chevrolet Trailblazer EXT Sensor - 12608814
    Product Specifications
    • Notes: All Models; 5.3l
    • Item Dimensions: 2.8 x 1.7 x 0.8 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25037062, 12191170, 15326388, 15369305
    • Part Description: 2003 Chevrolet Trailblazer EXT Sensor
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 8 Cyl 5.3 L GAS
    $30.68 MSRP: $57.90
    You Save: $27.22 (48%)
  • OEM 2003 Chevrolet Trailblazer EXT Water Pump Assembly Gasket Diagram - 12630223
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Trailblazer EXT Water Pump Assembly Gasket

    PartNumber: 12630223
    OEM 2003 Chevrolet Trailblazer EXT Water Pump Assembly Gasket - 12630223
    Product Specifications
    • Notes: 5.3 Liter
    • Item Dimensions: 4.6 x 3.3 x 0.2 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12580035, 12588372, 12559271, 12610311
    • Part Description: 2003 Chevrolet Trailblazer EXT Water Pump Assembly Gasket
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 8 Cyl 5.3 L GAS
    $6.96 MSRP: $12.59
    You Save: $5.63 (45%)
  • OEM 2003 Chevrolet Trailblazer EXT Water Pump Assembly Gasket Diagram - 12630223
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Trailblazer EXT Water Pump Assembly Gasket

    PartNumber: 12630223
    OEM 2003 Chevrolet Trailblazer EXT Water Pump Assembly Gasket - 12630223
    Product Specifications
    • Notes: 5.3 Liter
    • Item Dimensions: 4.6 x 3.3 x 0.2 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12580035, 12588372, 12559271, 12610311
    • Part Description: 2003 Chevrolet Trailblazer EXT Water Pump Assembly Gasket
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 8 Cyl 5.3 L GAS
    $6.96 MSRP: $12.59
    You Save: $5.63 (45%)
  • Dorman Engine Cooling Fan Blade for 2003 Chevrolet Trailblazer EXT - 620-619

    Dorman® Engine Cooling Fan Blade for 2003 Chevrolet Trailblazer EXT

    PartNumber: 620-619
    Product Specifications
    • Blades Count: 10
    • Color: Black
    • Diameter: 19.8"
    • Installation Hardware Included: No
    • Item Grade: Standard Replacement
    • Material: Plastic
    • OE Part Number: 15229250, 15-80696
    • Package Contents: Fan Blade
    • UPC: 019495036814
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Cooling Fan Blade
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | All Engines
    $98.00
  • OEM 2003 Chevrolet Trailblazer EXT Filter Diagram - 19210285
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Trailblazer EXT Filter

    PartNumber: 19210285
    OEM 2003 Chevrolet Trailblazer EXT Filter - 19210285
    Product Specifications
    • Other Names: Filter, Oil Filter
    • Item Dimensions: 3.4 x 3.4 x 3.4 inches
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12731179
    • Part Description: 2003 Chevrolet Trailblazer EXT Filter
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 6 Cyl 4.2 L GAS
    $5.87 MSRP: $10.60
    You Save: $4.73 (45%)
  • Dorman Engine Coolant Thermostat Housing Assembly for 2003 Chevrolet Trailblazer EXT - 902-2836

    Dorman® Engine Coolant Thermostat Housing Assembly for 2003 Chevrolet Trailblazer EXT

    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 Trailblazer EXT Engine Coolant Thermostat Housing Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $39.33
  • Denso Engine Coolant Radiator for 2003 Chevrolet Trailblazer EXT - 221-9012

    Denso® Engine Coolant Radiator for 2003 Chevrolet Trailblazer EXT

    PartNumber: 221-9012
    Product Specifications
    • Core Height: 18.1100"
    • Core Thickness: 1.0620"
    • Core Width: 26.8770"
    • Inlet Diameter: 1.3380"
    • Outlet Diameter: 1.5740"
    • UPC: 042511219526
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Coolant Radiator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $119.41
  • Gates Engine Coolant Standard Water Pump for 2003 Chevrolet Trailblazer EXT - 45006

    Gates® Engine Coolant Standard Water Pump for 2003 Chevrolet Trailblazer EXT

    PartNumber: 45006
    Product Specifications
    • Notes: w/Thermostat & Housing
    • Housing: Cast Aluminum
    • Impeller Material: Stamped Steel
    • Number of Outlets: 2
    • Rotation of Impeller: Reverse
    • Timing Belt Driven: No
    • UPC: 072053781632
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Coolant Standard Water Pump
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $110.08
  • OEM 2003 Chevrolet Trailblazer EXT Cap, Radiator Filler Diagram - 15042975
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Trailblazer EXT Cap, Radiator Filler

    PartNumber: 15042975
    OEM 2003 Chevrolet Trailblazer EXT Cap, Radiator Filler - 15042975
    Product Specifications
    • Notes: S-Series
    • Other Names: Filler Cap, Radiator Cap, Reservoir Cap
    • Item Dimensions: 2.5 x 2.5 x 1.6 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Trailblazer EXT Cap, Radiator Filler
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
    $12.61 MSRP: $21.70
    You Save: $9.09 (42%)
  • Four Seasons Electronic Engine Cooling Fan Clutch for 2003 Chevrolet Trailblazer EXT - 46024

    Four Seasons® Electronic Engine Cooling Fan Clutch for 2003 Chevrolet Trailblazer EXT

    PartNumber: 46024
    Product Specifications
    • Notes: Reverse Rotation; Severe Duty Thermal Fan Clutch
    • Bolt Hole Quantity: 4
    • Bolt Quantity: 4
    • Bolt Thread: M8 x 1.25 Hole
    • Clutch Maximum Diameter: 7.48
    • Clutch Type: D - Severe Duty & Truck Fan Drive
    • Color: Raw Aluminum in Color
    • Distance From Clutch To Mounting Flange: 1.54
    • Electronic Clutch: Yes
    • Fan Bolt Circle IN: 3.81
    • Fan Bolt Circle MM: 96.8
    • Material: Aluminum
    • Meets / Exceeds OEM: Yes
    • Mount Dia. IN: 1.44 (36mm) HEX
    • Mount Dia. MM: 36 HEX
    • Mounting Hardware: Not Included
    • Mounting Hole Quantity: 4
    • Mounting Type: HEX
    • New or Reman: New
    • Overall Dia. MM: 190
    • Overall Height IN: 5.52
    • Overall Height MM: 140.2
    • Performance Rated: Yes
    • Pilot Depth IN: --; 0.76; 0.77
    • Pilot Depth MM: 19.3
    • Pilot Dia. IN: M30x1.500
    • Rotation: REV
    • SDS Required: No (135233618)
    • Style: Severe Duty
    • UPC: 096361460249
    • Use Type: Electro-Viscous
    • Wire Gauge Measurement: Uses Original Equipment Connector
    • Wire Quantity: Uses Original Equipment Connector
    • Part Description: 2003 Chevrolet Trailblazer EXT Electronic Engine Cooling Fan Clutch
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | All Engines
    $152.70
  • Dorman Engine Coolant Recovery Tank for 2003 Chevrolet Trailblazer EXT - 603-126

    Dorman® Engine Coolant Recovery Tank for 2003 Chevrolet Trailblazer EXT

    PartNumber: 603-126
    Product Specifications
    • Cap Type: Twist
    • Color: White
    • Height: 161 mm
    • Length: 301 mm
    • Material: Plastic
    • Mount Hole Quantity: 4
    • OE Part Number: 15884833, 25780737, 25870737
    • Pressurized: No
    • UPC: 019495238164
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Coolant Recovery Tank
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $32.46
  • Denso Engine Coolant Radiator for 2003 Chevrolet Trailblazer EXT - 221-9116

    Denso® Engine Coolant Radiator for 2003 Chevrolet Trailblazer EXT

    PartNumber: 221-9116
    Product Specifications
    • Core Height: 18.1102"
    • Core Thickness: 1.0236"
    • Core Width: 26.4961"
    • Inlet Diameter: 1.3110"
    • Outlet Diameter: 1.5669"
    • UPC: 042511226982
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Coolant Radiator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $148.92
  • Delphi Coolant Temperature Sensor for 2003 Chevrolet Trailblazer EXT - TS10076

    Delphi® Coolant Temperature Sensor for 2003 Chevrolet Trailblazer EXT

    PartNumber: TS10076
    Product Specifications
    • Connector Gender: Female
    • Connector Quantity: 1
    • Connector Shape: Oval
    • Mounting Type: Threaded Nut
    • OE Part Number: 15369305
    • Terminal Gender: Male
    • Terminal Quantity: 2
    • Terminal Type: Pin
    • UPC: 689604110416
    • Wiring Harness Included: No
    • Part Description: 2003 Chevrolet Trailblazer EXT Coolant Temperature Sensor
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | North Face | 8 Cyl 5.3L
    • 2003 Chevrolet Trailblazer EXT | LS | 8 Cyl 5.3L
    • 2003 Chevrolet Trailblazer EXT | LT | 8 Cyl 5.3L
    Show More
    $20.68
  • Gates Engine Coolant Standard Water Pump for 2003 Chevrolet Trailblazer EXT - 45005

    Gates® Engine Coolant Standard Water Pump for 2003 Chevrolet Trailblazer EXT

    PartNumber: 45005
    Product Specifications
    • Notes: w/o Thermostat & Housing; May Req Thermostat/Housing Replacement
    • Housing: Cast Aluminum
    • Impeller Material: Stamped Steel
    • Number of Outlets: 4
    • Rotation of Impeller: Reverse
    • Timing Belt Driven: No
    • UPC: 072053781625
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Coolant Standard Water Pump
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $87.70
  • Dayco Engine Coolant Water Pump for 2003 Chevrolet Trailblazer EXT - DP998

    Dayco® Engine Coolant Water Pump for 2003 Chevrolet Trailblazer EXT

    PartNumber: DP998
    Product Specifications
    • Notes: Serpentine Belt Driven; Thermostat Bore Dia 47mm
    • UPC: 036687990730
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Coolant Water Pump
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $114.72
  • 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
    $51.81
  • Dorman Engine Coolant Thermostat Housing Assembly for 2003 Chevrolet Trailblazer EXT - 902-2131

    Dorman® Engine Coolant Thermostat Housing Assembly for 2003 Chevrolet Trailblazer EXT

    PartNumber: 902-2131
    Product Specifications
    • Notes: Cover; Incls Thermostat; 180 Degrees Fahrenheit
    • Bleeder Hole: No
    • Bolt Hole Center To Bolt Hole Center: 3.15"
    • Bolt Hole Quantity: 2
    • Color: Natural
    • Flange Length: 3.82"
    • Flange Thickness: 0.355"
    • Flange Width: 2.8"
    • Gasket or Seal Included: Yes
    • Gasket Type: O Ring
    • Grade Type: Regular
    • Inside Diameter: 1.1"
    • 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: 889245547699
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Coolant Thermostat Housing Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $23.97
  • Four Seasons Engine Cooling Fan Blade for 2003 Chevrolet Trailblazer EXT - 76029

    Four Seasons® Engine Cooling Fan Blade for 2003 Chevrolet Trailblazer EXT

    PartNumber: 76029
    Product Specifications
    • Notes: Reverse Rotation; OE Style Fan Blade
    • Blade A Dia. MM: 533.400
    • Blade Diameter: 20.500
    • Blade Material: Plastic
    • Blade Quantity: 10; 6
    • Blade Type: flat angle
    • Bolt Circle Dia. IN: 3.810
    • Bolt Circle Dia. MM: 96.774
    • Bolt Circle Diameter: 3.810
    • Bolt Quantity: 4
    • Bolt Thread: M8x1.250
    • Color: Black
    • Depth IN: 22.750
    • Depth MM: 577.850
    • Dia. MM: 520.700
    • Fan Mount Dia. IN: 3.250
    • Fan Mount Dia. MM: 82.550
    • Fan Mount Height IN: 1.540
    • Fan Mount Height MM: 39.116
    • Flexible Blades: No
    • Height IN: 5.500
    • Height MM: 139.700
    • Hub Depth: 7.375
    • Length IN: 21
    • Material: Plastic / Steel
    • Maximum RPM: 4,000
    • Meets / Exceeds OEM: Yes
    • Mount Hole Qty: 4
    • O.E. Replacement: Yes
    • Performance Rated: Yes
    • Pilot Depth IN: Fan Blade
    • Pilot Dia. IN: Fan Blade
    • Rotation: Counterclockwise
    • SDS Required: No (135233618)
    • Shroud Material: Plastic
    • Style: Fan Clutch Fan Blade
    • UPC: 096361760295
    • Voltage: 12
    • Width IN: 21.000
    • Width MM: 533.400
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Cooling Fan Blade
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | All Engines
    $93.12
  • 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
    $21.43 MSRP: $40.48
    You Save: $19.05 (48%)
  • 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
    $21.43 MSRP: $40.48
    You Save: $19.05 (48%)
  • Gates Cooling System Tester Adapter for 2003 Chevrolet Trailblazer EXT - 31431

    Gates® Cooling System Tester Adapter for 2003 Chevrolet Trailblazer EXT

    PartNumber: 31431
    Product Specifications
    • Quantity: 1 Piece
    • UPC: 072053608595
    • Part Description: 2003 Chevrolet Trailblazer EXT Cooling System Tester Adapter
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $52.42
  • Dayco Engine Coolant Water Pump for 2003 Chevrolet Trailblazer EXT - DP958

    Dayco® Engine Coolant Water Pump for 2003 Chevrolet Trailblazer EXT

    PartNumber: DP958
    Product Specifications
    • Notes: Serpentine Belt Driven; Thermostat Bore Dia 52mm
    • UPC: 036687989871
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Coolant Water Pump
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $78.54
  • Dorman Engine Coolant Thermostat Housing for 2003 Chevrolet Trailblazer EXT - 902-800

    Dorman® Engine Coolant Thermostat Housing for 2003 Chevrolet Trailblazer EXT

    PartNumber: 902-800
    Product Specifications
    • Notes: Cover; Incls Thermostat; 190 Degrees Fahrenheit
    • Bleeder Hole: No
    • Bolt Hole Center To Bolt Hole Center: 3.13"
    • Bolt Hole Quantity: 2
    • Color/Finish: Natural
    • Flange Length: 2.73"
    • Flange Thickness: 0.365"
    • Flange Width: 3"
    • Gasket Type: Gasket
    • Grade Type: Regular
    • Inside Diameter: 1.21"
    • Material: Aluminum
    • Mounting Hardware Included: No
    • OE Part Number: 12620112
    • Outlet Port Quantity: 1
    • Thermostat Opening Temperature (F): 190 Degrees
    • UPC: 037495221412
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Coolant Thermostat Housing
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $23.77
  • GMB Engine Cooling Fan Clutch for 2003 Chevrolet Trailblazer EXT - 930-2440

    GMB® Engine Cooling Fan Clutch for 2003 Chevrolet Trailblazer EXT

    PartNumber: 930-2440
    Product Specifications
    • Notes: Counter Clockwise (Reverse) Rotation; Severe Duty; Electronic Fan Clutch; Fan Clutch w/47mm Mounting Height
    • Clutch Type: Thermal
    • Rotation: Counter Clockwise
    • UPC: 083286188556
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Cooling Fan Clutch
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | All Engines
    $129.81
  • STANT 48 mm Cooling System Adapter for 2003 Chevrolet Trailblazer EXT - 12032

    STANT® 48 mm Cooling System Adapter for 2003 Chevrolet Trailblazer EXT

    PartNumber: 12032
    Product Specifications
    • Quantity: 1 Piece
    • Size: 48 mm
    • UPC: 033342495104
    • Part Description: 2003 Chevrolet Trailblazer EXT 48 mm Cooling System Adapter
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $86.79
  • Victor Reinz Dual Round Port Oil Cooler Gasket for 2003 Chevrolet Trailblazer EXT - 71-13510-00

    Victor Reinz® Dual Round Port Oil Cooler Gasket for 2003 Chevrolet Trailblazer EXT

    PartNumber: 71-13510-00
    Product Specifications
    • Notes: with Dual Round Ports
    • Color: Color May Vary
    • Complete: Y
    • Configuration: One Piece
    • Contains Applications: Y
    • Length: 2.6300
    • Material: Molded Rubber And Metal
    • Meets or Exceeds OEM Specs: Y
    • Release Wave: 12/15/2017
    • Rim Shape: Oval
    • UPC: 023913670535
    • Width: 1.0400
    • Part Description: 2003 Chevrolet Trailblazer EXT Dual Round Port Oil Cooler Gasket
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $7.88
  • Four Seasons Auxiliary Engine Cooling Fan for 2003 Chevrolet Trailblazer EXT - 37140

    Four Seasons® Auxiliary Engine Cooling Fan for 2003 Chevrolet Trailblazer EXT

    PartNumber: 37140
    Product Specifications
    • Notes: Universal Fit Super Duty Electric Puller Auxiliary Fan. Add on fans used to supplement the primary Eng cooling fan. Incls mounting hardware. Controls not Incld.
    • Material: Plastic
    • Performance Rated: Yes
    • SDS Required: No (135233618)
    • UPC: 096361089945
    • Part Description: 2003 Chevrolet Trailblazer EXT Auxiliary Engine Cooling Fan
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $91.74
  • Dayco Engine Coolant Water Pump for 2003 Chevrolet Trailblazer EXT - DP965

    Dayco® Engine Coolant Water Pump for 2003 Chevrolet Trailblazer EXT

    PartNumber: DP965
    Product Specifications
    • Notes: Serpentine Belt Driven
    • UPC: 036687990037
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Coolant Water Pump
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $36.69
  • Walker Products Engine Coolant Temperature Sensor for 2003 Chevrolet Trailblazer EXT - 211-91118

    Walker Products® Engine Coolant Temperature Sensor for 2003 Chevrolet Trailblazer EXT

    PartNumber: 211-91118
    Product Specifications
    • Notes: Full Service Kit, Incls Sensor, Pigtail, Butt Connectors & Heat Shrink
    • UPC: 724620066436
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Coolant Temperature Sensor
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $13.33
  • Gates Engine Coolant Standard Water Pump for 2003 Chevrolet Trailblazer EXT - 41122

    Gates® Engine Coolant Standard Water Pump for 2003 Chevrolet Trailblazer EXT

    PartNumber: 41122
    Product Specifications
    • Housing: Cast Aluminum
    • Rotation of Impeller: Standard
    • Timing Belt Driven: No
    • UPC: 770075164371
    • Part Description: 2003 Chevrolet Trailblazer EXT Engine Coolant Standard Water Pump
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $36.70
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