2003 Chevy Trailblazer Engine Parts
Select Your Submodel
- Engine Assemblies
- Motor Mounts
- Engine Blocks
- Valves & Valvetrain Parts
- Pistons, Rings & Connecting Rods
- Oil Filters
- Serpentine Belts & Auxiliary Drive Belts
- Valve Covers
- Timing Gears, Chains & Covers
- Oil Pans, Drain Plugs & Dipsticks
- Cylinder Heads
- Timing Belts
- Engine Pulleys
- Engine Sensors, Relays, Switches & Connectors
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Management Systems
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Oil Catch Cans
- Balance Shafts
- Engine Swap Kits
- Throttle Bodies
- Motor Oils
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ACDelco®Genuine GM Parts™ Engine Oil Drain PlugChevy Trailblazer / Trailblazer EXT 2003, Genuine GM Parts™ Engine Oil Drain Plug by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.95Save: $1.04 (15%)$5.91 - ACDelco®Genuine GM Parts™ Engine Oil PanChevy Trailblazer 2003, Genuine GM Parts™ Engine Oil Pan by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$282.50 - $354.57Save: up to 16%$240.13 - $299.58
- ACDelco®Genuine GM Parts™ Engine Oil DipstickChevy Trailblazer 2003, Genuine GM Parts™ Engine Oil Dipstick by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$40.94 - $41.48Save: up to 16%$34.64 - $35.05
- ACDelco®GM Original Equipment™ Drive Belt Idler PulleyChevy Trailblazer 2003, GM Original Equipment™ Drive Belt Idler Pulley by ACDelco®. Designed utilizing the latest technology, this GM Original Equipment™ Drive Belt Idler Pulley by ACDelco features premium quality and will perform...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$38.18 - $58.49Save: up to 16%$32.11 - $49.31
- TRQ®Camshaft Position SensorChevy Trailblazer 2003, Camshaft Position Sensor by TRQ®. Replace your vehicle’s faulty cam sensor with the TRQ engine camshaft position sensor to make your engine perform as it should and bring your vehicle back to its former glory....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$26.95 - $61.95Save: up to 6%$25.87 - $58.23
- TRQ®Crankshaft Position SensorChevy Trailblazer 2003, Crankshaft Position Sensor by TRQ®. Replace your vehicle’s faulty cam sensor with the TRQ engine camshaft position sensor to make your engine perform as it should and bring your vehicle back to its former...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$25.95 - $48.95Save: up to 6%$25.17 - $46.50
- TRQ®Engine Mount SetChevy Trailblazer / Trailblazer EXT 4.2L 2003, Engine Mount Set by TRQ®. When it comes to purchasing quality replacement parts, this top-notch TRQ engine mount is the right choice. Manufactured from superior materials, it is capable of...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$56.95Save: $1.71 (3%)$55.24
- TRQ®Front Driver Side Engine MountChevy Trailblazer / Trailblazer EXT 4.2L 2003, Front Driver Side Engine Mount by TRQ®. When it comes to purchasing quality replacement parts, this top-notch TRQ engine mount is the right choice. Manufactured from superior materials, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$40.95Save: $2.05 (5%)$38.90
- TRQ®Front Passenger Side Engine MountChevy Trailblazer / Trailblazer EXT 4.2L 2003, Front Passenger Side Engine Mount by TRQ®. When it comes to purchasing quality replacement parts, this top-notch TRQ engine mount is the right choice. Manufactured from superior materials,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$40.95Save: $2.05 (5%)$38.90
- Cardone Reman®Engine Control ComputerChevy Trailblazer EXT 5.3L 2003, Engine Control Computer by Cardone Reman®. Cardone Reman Remanufactured Engine Control Modules (ECC) are engineered for quick installation and no comebacks. Each unit is engineered to meet or exceed OEM...100% resolder of critical components ensures superior electrical connections, no intermittent failures and longer product lifeAll modules are 100% tested with automated computerized test equipment to ensure functionality and reliable$163.92
- Dorman®HELP™ Engine Oil Dipstick without Bracket & TubeChevy Trailblazer / Trailblazer EXT 4.2L 2003, HELP™ Engine Oil Dipstick without Bracket & Tube by Dorman®. This replacement engine oil dipstick is a direct replacement for a damaged or missing original equipment dipstick. Level marks...Ideal replacement - this engine oil dipstick matches the fit and function of the original equipment dipstick to ensure a dependable replacementQuality construction - this dipstick is made of the same materials as the original equipment dipstick for reliable service$23.78
- ACDelco®Genuine GM Parts™ Engine Control ModuleChevy Trailblazer EXT 2003, Genuine GM Parts™ Engine Control Module by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$12.06 - $532.54Save: up to 17%$10.27 - $452.67
- Fel-Pro®Engine Oil Pan Gasket SetChevy Trailblazer EXT 5.3L 2003, Engine Oil Pan Gasket Set by Fel-Pro®. Designed utilizing the latest technology, this product by Fel-Pro features premium quality and will perform better than advertised. Perfect for your vehicle and...Direct OEM replacement for a proper fitEnsures reliable sealing performance$51.72
- ACDelco®Genuine GM Parts™ Engine MountChevy Trailblazer / Trailblazer EXT 4.2L 2003, Genuine GM Parts™ Engine Mount by ACDelco®. GM Genuine Parts engine mounts bolt your vehicle’s engine in place and are designed to function with all surrounding components providing...Lined with rubber to help reduce engine vibrationManufactured to GM OE specification for fit, form, and function$116.00Save: $18.32 (16%)$97.68
- ACDelco®GM Original Equipment™ Camshaft Position SensorChevy Trailblazer / Trailblazer EXT 4.2L 2003, GM Original Equipment™ Camshaft Position Sensor by ACDelco®. With Angle Connector. Designed utilizing the latest technology, this GM Original Equipment™ Camshaft Position Sensor by...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$74.31Save: $11.15 (15%)$63.16
- ACDelco®Genuine GM Parts™ Intake ValveChevy Trailblazer EXT 5.3L 2003, Genuine GM Parts™ Intake Valve by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$33.57Save: $5.04 (15%)$28.53
- ACDelco®GM Original Equipment™ Crankshaft BalancerChevy Trailblazer EXT 5.3L 2003, GM Original Equipment™ Crankshaft Balancer by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$115.01Save: $18.06 (16%)$96.95
- ACDelco®Genuine GM Parts™ Rear Crankshaft Seal HousingChevy Trailblazer 2003, Genuine GM Parts™ Rear Crankshaft Seal Housing by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$72.33 - $86.41Save: up to 16%$61.11 - $73.45
- TRQ®Engine Oil Pressure SwitchChevy Trailblazer / Trailblazer EXT 4.2L 2003, Engine Oil Pressure Switch by TRQ®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$23.95Save: $0.96 (4%)$22.99
- Walker Products®Crankshaft Position SensorChevy Trailblazer 2003, Crankshaft Position 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 meet...High quality at an affordable priceExpertly made from premium materials$13.26 - $45.96
- TRQ®Serpentine BeltChevy Trailblazer 2003, Serpentine Belt by TRQ®. Don’t wait until your serpentine belt breaks and you’ll end up getting stuck in the middle of the road, replace it on a regular basis with a reliable and cost-efficient solution from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$25.95 - $32.95Save: up to 4%$25.17 - $31.63
- Continental® ContiTech™Poly-V BeltChevy Trailblazer 2003, Poly-V Belt by Continental® ContiTech™. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Made with precision and quality in mindDesigned to meet your specific needs$21.42 - $21.98
- Continental® ContiTech™Primary Serpentine BeltChevy Trailblazer EXT 5.3L 2003, Primary Serpentine Belt by Continental® ContiTech™. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance...Made with precision and quality in mindDesigned to meet your specific needs$37.10
- Apex Auto®Engine Oil Pan Gasket SetChevy Trailblazer EXT 5.3L 2003, Engine Oil Pan Gasket Set by Apex Auto®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...Made with precision and quality in mindDesigned to meet your specific needs$31.88
- Dorman®OE Solutions™ Oil Pressure SensorChevy Trailblazer EXT 5.3L 2003, OE Solutions™ Oil Pressure Sensor by Dorman®. This replacement oil pressure sensor is a direct replacement for the original sensor on specified applications. It is ruggedly designed and built to...Ideal replacement - this oil pressure sensor directly replaces the original sensor on specified vehicles and applicationsDurable construction - this sensor is specifically designed to withstand pressure and temperature extremes for reliable performance and accurate measurement$30.28
- ACDelco®Genuine GM Parts™ Engine Oil Pump Pickup Tube & ScreenChevy Trailblazer EXT 5.3L 2003, Genuine GM Parts™ Engine Oil Pump Pickup Tube & Screen by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$77.28Save: $11.99 (16%)$65.29
- Melling®Oil PumpChevy Trailblazer EXT 5.3L 2003, Oil Pump by Melling®. Designed utilizing the latest technology, this Engine Oil Pump by Melling features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$77.42 - $152.58
- ACDelco®Genuine GM Parts™ Connecting Rod Bearing SetChevy Trailblazer / Trailblazer EXT 4.2L 2003, Genuine GM Parts™ Connecting Rod Bearing Set by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$25.41Save: $3.92 (15%)$21.49
- ACDelco®GM Original Equipment™ Oil Pressure SensorChevy Trailblazer EXT 5.3L 2003, GM Original Equipment™ Oil Pressure Sensor by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$56.09Save: $8.84 (16%)$47.25
- ACDelco®Genuine GM Parts™ Crankshaft Main BearingChevy Trailblazer 2003, Genuine GM Parts™ Crankshaft Main Bearing by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$38.14 - $66.96Save: up to 16%$32.22 - $57.40
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2003 Chevy Trailblazer Engine Reviews
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Best Oil For Duramax
ACDelco® - dexosD™ Light Duty Diesel SAE 0W-20 Synthetic Motor Oil, 1 QuartPosted by Aleski / October 29, 20212020 Chevy Silverado 1500
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