2003 Chevy Trailblazer Engine Cooling Parts

Replacement Cooling System Parts
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4.2L
5.3L
  • Reach Cooling® - Engine Coolant Radiator
    Reach Cooling®Engine Coolant Radiator
    0
    # 657430263
    Chevy Trailblazer 2003, Engine Coolant Radiator by Reach Cooling®. Core Size: 26 11/16" x 18 1/8" x 1". Outlet: 1 9/16". Inlet: 1 5/16". Row quantity: 1. Increase the life of your vehicle's engine by keeping your cooling system in top...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $143.14 - $148.18
  • Continental® ContiTech™ - Elite™ Engine Coolant Molded Bypass Hose
    Continental® ContiTech™Elite™ Engine Coolant Molded Bypass Hose
    0
    # 450879903
    Chevy Trailblazer 2003, Elite™ Engine Coolant Molded Bypass Hose by Continental® ContiTech™. This flexible hose can be used to replace a molded radiator hose. It has a corrugated cover that easily follows the bends of the OE coolant...
    Versigard EPDM rubber tube and coverDesigned to withstand temperature from -40°F to +257°F
    $4.37 - $20.20
  • ACDelco® - GM Original Equipment™ Engine Cooling Fan Clutch
    ACDelco®GM Original Equipment™ Engine Cooling Fan Clutch
    0
    # mpn914827580
    Chevy Trailblazer / Trailblazer EXT 2003, GM Original Equipment™ Engine Cooling Fan Clutch by ACDelco®. Diameter: 7.48". Rotation: Counterclockwise. Designed utilizing the latest technology, this product by ACDelco features premium...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $239.65Save: $36.89 (15%)
    $202.76
  • iD Select® - Engine Cooling Fan Clutch
    iD Select®Engine Cooling Fan Clutch
    0
    # mpn4735551485
    Chevy Trailblazer / Trailblazer EXT 2003, Engine Cooling Fan Clutch by iD Select®. Rotation: Counter Clockwise. Clutch Style: Severe Duty. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s...
    Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value
    $169.14
  • ACDelco® - GM Original Equipment™ Engine Cooling Fan Blade
    ACDelco®GM Original Equipment™ Engine Cooling Fan Blade
    0
    # mpn914834252
    Chevy Trailblazer / Trailblazer EXT 2003, GM Original Equipment™ Engine Cooling Fan Blade by ACDelco®. Finish: Black. Rotation: Counterclockwise. Fan Blade Material: Nylon. Blades Count: 10. ACDelco GM Original Equipment™ Fan Blades...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $202.82Save: $31.00 (15%)
    $171.82
  • Dorman® - Engine Coolant Thermostat Housing
    Dorman®Engine Coolant Thermostat Housing
    0
    # 1216371940
    Chevy Trailblazer 2003, Engine Coolant Thermostat Housing by Dorman®. Re-engineered to address common failure points in the original equipment, Dorman’s Engine Coolant Thermostat Housing has improved durability and resistance. It...
    Ideal replacement - this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and modelsDurable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
    $13.98 - $43.33
  • ACDelco® - GM Original Equipment™ Engine Coolant Radiator Cap
    ACDelco®GM Original Equipment™ Engine Coolant Radiator Cap
    1
    # mpn869381246
    Chevy Trailblazer / Trailblazer EXT 2003, GM Original Equipment™ Engine Coolant Radiator Cap by ACDelco®. Pressure: 15 psi. Material: Plastic Covered Stainless Steel. Designed utilizing the latest technology, this product by ACDelco...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $16.47Save: $2.47 (15%)
    $14.00
  • Walker Products® - Engine Coolant Temperature Sensor
    Walker Products®Engine Coolant Temperature Sensor
    0
    # 2837049412
    Chevy Trailblazer 2003, Engine Coolant Temperature Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...
    High quality at an affordable priceExpertly made from premium materials
    $10.93 - $26.19
  • ACDelco® - GM Original Equipment™ Engine Coolant Temperature Sensor
    ACDelco®GM Original Equipment™ Engine Coolant Temperature Sensor
    0
    # 73572637
    Chevy Trailblazer 2003, GM Original Equipment™ Engine Coolant Temperature Sensor by ACDelco®. Terminal Quantity: 2. Connector Gender: Male. Designed utilizing the latest technology, this product by ACDelco features premium quality and...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $40.58 - $42.70Save: up to 16%
    $34.00 - $36.31
  • TRQ® - Engine Coolant Thermostat Housing Assembly
    TRQ®Engine Coolant Thermostat Housing Assembly
    0
    # 5739050868
    Chevy Trailblazer 2003, Engine Coolant Thermostat Housing Assembly by TRQ®. Rely on the TRQ engine coolant thermostat housing assembly to help bring down damaging hot engine temperatures and prevent overheating. Made to OEM...
    Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part
    $32.95 - $46.95Save: up to 5%
    $31.30 - $45.07
  • Dorman® - Engine Cooling Fan Blade
    Dorman®Engine Cooling Fan Blade
    0
    # mpn4817147502
    Chevy Trailblazer / Trailblazer EXT 2003, Engine Cooling Fan Blade by Dorman®. Diameter: 19.8". Finish: Black. Blades Count: 10. Material: Plastic. Restore clutch-driven fans to original functioning and sustain proper engine operation...
    Helps to prevent engine overheatingDirect replacement for a proper fit every time
    $113.05
  • Four Seasons® - Coolant Temperature Sensor
    Four Seasons®Coolant Temperature Sensor
    0
    # 517954140
    Chevy Trailblazer 2003, Coolant Temperature Sensor by Four Seasons®. Terminal Quantity: 2. Connector Shape: Oval. Connector Gender: Female. All products are engineered and tested to provide years of trouble free operation. Backed by...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $16.10 - $38.34
  • Dorman® - Engine Coolant Crossover Pipe
    Dorman®Engine Coolant Crossover Pipe
    0
    # mpn4673643937
    Chevy Trailblazer EXT 5.3L 2003, Engine Coolant Crossover Pipe by Dorman®. This engine coolant crossover pipe matches the original pipe for fit and function to ensure proper coolant flow through the engine. Engineered to withstand the...
    Direct replacement - this engine coolant crossover pipe matches fit and function of the original equipment pipeQuality construction - this part has been designed to resist cracking and leaking
    $62.07
  • Replacement - Radiator Cooling Fan Shroud
    ReplacementRadiator Cooling Fan Shroud
    0
    # mpn5065264252
    Chevy Trailblazer / Trailblazer EXT 4.2L 2003, Radiator Cooling Fan Shroud by Replacement. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $23.42
  • Replace® - Engine Cooling Fan Shroud
    Replace®Engine Cooling Fan Shroud
    0
    # mpn461101
    Chevy Trailblazer 2003, Engine Cooling Fan Shroud by Replace®. Material: Plastic. This is an aftermarket part that replaces factory OE #
    Same quality as OE for less moneyDesigned with the latest software and manufactured with modern tooling
    $25.12
  • gpd® - Engine Coolant Temperature Sensor
    gpd®Engine Coolant Temperature Sensor
    0
    # mpn4667474216
    Chevy Trailblazer / Trailblazer EXT 4.2L 2003, Engine Coolant Temperature Sensor by gpd®. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier...
    Designed to meet or exceed OE fit, form, and functionDurability tested on every new design
    $21.20
  • TRQ® - Engine Cooling Fan Clutch
    TRQ®Engine Cooling Fan Clutch
    0
    # mpn4817147524
    Chevy Trailblazer / Trailblazer EXT 2003, Engine Cooling Fan Clutch by TRQ®. If you need to get your vehicle’s cooling system running as well as new, pick out the TRQ engine cooling fan clutch to replace your worn-out component and...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $122.95Save: $6.15 (5%)
    $116.80
  • Gates® - Engine Coolant Water Outlet
    Gates®Engine Coolant Water Outlet
    0
    # 2644760991
    Chevy Trailblazer 2003, Engine Coolant Water Outlet by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and manufactured from the...
    Advanced weld process guarantees consistent, long-lasting performanceTop quality materials and improved seal design provide leak-free service
    $25.49 - $30.99
  • Fel-Pro® - Engine Coolant Water Outlet Gasket
    Fel-Pro®Engine Coolant Water Outlet Gasket
    0
    # mpn369508852
    Chevy Trailblazer / Trailblazer EXT 4.2L 2003, Engine Coolant Water Outlet Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global...
    Quality that you can trustValidated for fit, form and function
    $4.28
  • Four Seasons® - Electronic Engine Cooling Fan Clutch
    Four Seasons®Electronic Engine Cooling Fan Clutch
    0
    # mpn4890031849
    Chevy Trailblazer / Trailblazer EXT 2003, Electronic Engine Cooling Fan Clutch by Four Seasons®. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts experience, fix it...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $174.82
  • DIY Solutions® - Engine Cooling Fan Shroud
    DIY Solutions®Engine Cooling Fan Shroud
    0
    # mpn4826421103
    Chevy Trailblazer / Trailblazer EXT 4.2L 2003, Engine Cooling Fan Shroud by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should...
    Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again
    $63.19
  • Four Seasons® - Coolant Temperature Switch
    Four Seasons®Coolant Temperature Switch
    0
    # 5082639676
    Chevy Trailblazer / Trailblazer EXT 2003, Coolant Temperature Switch by Four Seasons®. Location: Compressor. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $11.19 - $13.27
  • ACDelco® - GM Original Equipment™ Engine Coolant Water Outlet
    ACDelco®GM Original Equipment™ Engine Coolant Water Outlet
    0
    # mpn5059484377
    Chevy Trailblazer / Trailblazer EXT 4.2L 2003, GM Original Equipment™ Engine Coolant Water Outlet by ACDelco®. Original Equipment machined to meet or exceed original specifications. Designed utilizing the latest technology, this...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $44.98Save: $6.23 (14%)
    $38.75
  • ACDelco® - Genuine GM Parts™ Engine Coolant Water Inlet Assembly
    ACDelco®Genuine GM Parts™ Engine Coolant Water Inlet Assembly
    0
    # mpn869356533
    Chevy Trailblazer EXT 5.3L Requires 2004 or Newer Inlet if Water Pump has been Replaced by 2004 or Newer Pump with Water Pump Casting # 12562459 2003, Genuine GM Parts™ Engine Coolant Water Inlet Assembly by ACDelco®. With Thermostat....
    Repairs leaking thermostat housingsCorrects engine overheating caused by failed thermostat
    $44.00Save: $6.60 (15%)
    $37.40
  • Four Seasons® - Engine Coolant Water Outlet w/o Thermostat
    Four Seasons®Engine Coolant Water Outlet w/o Thermostat
    0
    # mpn4555129533
    Chevy Trailblazer / Trailblazer EXT 4.2L 2003, Engine Coolant Water Outlet without Thermostat by Four Seasons®. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $16.43
  • Four Seasons® - Engine Coolant Thermostat Housing w/o Thermostat
    Four Seasons®Engine Coolant Thermostat Housing w/o Thermostat
    0
    # mpn943801857
    Chevy Trailblazer EXT 5.3L 2003, Engine Coolant Thermostat Housing without Thermostat by Four Seasons®. Material: Aluminum. Inlet Diameter: 1.307". Mounting Flange Thickness: 0.395". All products are engineered and tested to provide...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $29.36
  • Gates® - Engine Coolant Replacement Radiator Cap
    Gates®Engine Coolant Replacement Radiator Cap
    0
    # mpn1933798
    Chevy Trailblazer / Trailblazer EXT 2003, Engine Coolant Replacement Radiator Cap by Gates®. Pressure: 15 psi. Type: Closed System. Shell Diameter: 2.56". Filler Neck Outside Diameter: 1.95". Cap Depth: 1.44". If you want to keep your...
    Wide range of applications covering all makes and modelsManufactured to meet or exceed OEM specifications in function, form and fit
    $8.14
  • Fel-Pro® - Engine Coolant Thermostat Housing Gasket
    Fel-Pro®Engine Coolant Thermostat Housing Gasket
    0
    # mpn1405376
    Chevy Trailblazer / Trailblazer EXT 2003, Engine Coolant Thermostat Housing Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global...
    Direct OEM replacement for a proper fitEnsures reliable sealing performance
    $1.05
  • Dorman® - Engine Coolant Water Outlet
    Dorman®Engine Coolant Water Outlet
    0
    # mpn1296826136
    Chevy Trailblazer / Trailblazer EXT 4.2L 2003, Engine Coolant Water Outlet by Dorman®. Material: Metal. Bolt Hole Diameter: 0.313". Quantity: 2 Bolt Hole. Finish: Natural. Increase the life of your vehicle's engine by keeping your...
    Ideal replacement - this engine coolant water outlet directly replaces the original water outlet on specified vehicle years, makes and modelsDurable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
    $14.66
  • Standard® - Engine Coolant Temperature Sensor
    Standard®Engine Coolant Temperature Sensor
    0
    # 64711939
    Chevy Trailblazer 2003, Engine Coolant Temperature Sensor by Standard®. Terminal Quantity: 2. Connector Shape: Round. Connector Gender: Female. Connector Quantity: 1. Terminal Gender: Male. Terminal Type: Blade. Material: Brass....
    Global manufacturer of automotive aftermarket productsDirect-fit OE replacement that ensures ease of installation
    $17.11 - $34.13




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2003 Chevy Trailblazer Engine Cooling Reviews

1 review
Works like a charm.
Posted by Dustin D (Sandy, UT) / January 13, 20172009 Hummer H3
2003 Chevy Trailblazer Models
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