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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Melling®485 High Performance™ Adjustable Engine Timing SetChevy Trailblazer EXT 5.3L 2003, 485 High Performance™ Adjustable Engine Timing Set by Melling®. Melling timing chain kits provide an efficient and economical way to provide the timing components needed for a quality engine rebuild....Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$177.06 - Sealed Power®Piston Ring SetChevy Trailblazer / Trailblazer EXT 4.2L 2003, Piston Ring Set by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for your...Direct replacementManufactured to strict engineering quality standards$94.18
- DNJ Engine Components®Piston Ring SetChevy Trailblazer 2003, Piston Ring Set by DNJ Engine Components®. 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....Designed to replace your malfunctioning partsHelps get your vehicle back to it's original performance$60.76 - $64.29
- ACDelco®Gold™ Engine Oil FilterChevy Trailblazer 2003, Gold™ Engine Oil Filter by ACDelco®. Durapack Engine Oil Filter. ACDelco Gold (Professional) Engine Oil Filters are a high quality alternative to Original Equipment (OE) parts. ACDelco Gold (Professional) parts...Some ACDelco Gold parts may have formerly appeared as ACDelco ProfessionalPremium aftermarket replacement part$6.36 - $6.99Save: up to 16%$5.32 - $5.94
- Denso®FTF™ Spin-On Engine Oil FilterChevy Trailblazer 2003, FTF™ Spin-On Engine Oil Filter by Denso®. When it comes to oil filters, you can't do better than Denso. This is why Denso is one of the world's premier OE oil filter suppliers. Denso uses this world-class...Pre-lubricated molded o-ring provides superior sealing over generic filtersSilicon Anti-Drainback prevents rough starts caused by oil draining out of the engine while the vehicle is turned off$5.78 - $6.16
- DIY Solutions®Engine Oil FilterChevy Trailblazer 2003, Engine Oil Filter 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 definitely look out for. When it comes...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$31.57 - $83.59
- Full®Spin-On Engine Oil FilterChevy Trailblazer EXT 2003, Spin-On Engine Oil Filter by Full®. 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 mind. It...Made with precision and quality in mindDesigned to meet your specific needs$5.66
- Hastings®Engine Oil FilterChevy Trailblazer 2003, Engine Oil Filter by Hastings®. Hastings Premium Filters has been a manufacturer of mobile filtration products for over sixty years. Hastings manufactures and distributes automotive and heavy-duty filters for a...Expertly crafted from premium materialsDesigned to match rigorous quality standards$6.24 - $7.03
- Luber-finer®New Design Engine Oil FilterChevy Trailblazer 2003, New Design Engine Oil Filter by Luber-finer®. Oil is the lifeblood of the heavy duty engine. Luber-finer high-efficiency oil filters provide protection from oil contaminants to help ensure optimal performance....Extended Line of cartridge and spin-on filtersWide Selection Of Filters Providing Broad Coverage$2.88 - $3.03
- NPN®Spin-On Engine Oil FilterChevy Trailblazer 2003, Spin-On Engine Oil Filter by NPN®. 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 craftsmanship. Manufactured...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$2.30 - $4.36
- Genuine®CamshaftChevy Trailblazer EXT 5.3L 2003, Camshaft by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials...Made with precision and quality in mindDesigned to meet your specific needs$891.09
- COMP Cams®LSR™ CamshaftChevy Trailblazer EXT 5.3L 2003, LSR™ Camshaft by COMP Cams®. 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....Take advantage of today’s newer and better flowing aftermarket cylinder headsFeature higher exhaust duration and overall to provide broadest powerband and most top end power of any cam$459.49 - $515.95
- COMP Cams®LST™ CamshaftChevy Trailblazer EXT 5.3L 2003, LST™ Camshaft by COMP Cams®. The LST™ Camshaft Series uses the newest and most advanced lobe designs from COMP Cams®. These new lobes provide the potential for major increases in power and torque in...High quality at an affordable priceExpertly made from premium materials$515.95
- COMP Cams®LXR/LSN Series Passenger Side Intake Stage 1 Hydraulic Roller Tappet CamshaftChevy Trailblazer EXT 5.3L 2003, LXR/LSN Series Passenger Side Intake Stage 1 Hydraulic Roller Tappet Camshaft by COMP Cams®. Designed utilizing the latest technology, this product by COMP Cams features premium quality and will perform...$515.95
- COMP Cams®Thumpr™ CamshaftChevy Trailblazer EXT 5.3L 2003, Thumpr™ Camshaft by COMP Cams®. Let's face it, nothing grabs our attention at a car show or cruise night more than the hard hitting sound a thumping, high performance idle. Thumpr™ Camshafts deliver...Unique camshaft designs for each engine to fit all cruising and street performance needsDesigned to provide maximum performance when combined with the latest in valve train components$515.95
- ACDelco®GM Genuine Parts™ Engine Valve Lifter Guide Retainer BoltChevy Trailblazer EXT 5.3L 2003, GM Genuine Parts™ Engine Valve Lifter Guide Retainer Bolt by ACDelco®. GM Genuine Parts Bolts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These bolts...Fastens vehicle's components togetherSome GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)$6.00Save: $0.90 (15%)$5.10
- Mahle®Engine Conversion Gasket SetChevy Trailblazer 2003, Engine Conversion Gasket Set by Mahle®. 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 craftsmanship....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$57.75 - $182.80
- Enginetech®Engine Lower Gasket SetChevy Trailblazer 2003, Engine Lower Gasket Set by Enginetech®. 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....Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$20.57 - $83.56
- Apex Auto®Engine Conversion Gasket SetChevy Trailblazer 2003, Engine Conversion 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 reliability....Made with precision and quality in mindDesigned to meet your specific needs$34.29 - $121.61
- DNJ Engine Components®Lower Conversion Gasket SetChevy Trailblazer EXT 5.3L 2003, Lower Conversion Gasket Set by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the finest...Designed to restore your vehicle's original performanceProvides superior sealing performance$127.81
- Enginetech®Oil Galley ValveChevy Trailblazer EXT 5.3L 2003, Oil Galley Valve by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$5.67
- Enginetech®Oil Galley ValveChevy Trailblazer EXT 5.3L 2003, Oil Galley Valve by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$5.67
- Anchor®Engine MountChevy Trailblazer EXT 5.3L 2003, Engine Mount by Anchor®. If you feel vibration accompanied by unusual noise when driving, this can be the sign of a bad engine mount. Replace it with a mount from the leading aftermarket supplier,...Direct OEM replacementSecurely supports the engine on the chassis$114.69
- Anchor®Front Driver Side Engine MountChevy Trailblazer 2003, Front Driver Side Engine Mount by Anchor®. If you feel vibration accompanied by unusual noise when driving, this can be the sign of a bad engine mount. Replace it with a mount from the leading aftermarket...Direct OEM replacementSecurely supports the engine on the chassis$11.82
- Anchor®Front Passenger Side Engine MountChevy Trailblazer 2003, Front Passenger Side Engine Mount by Anchor®. If you feel vibration accompanied by unusual noise when driving, this can be the sign of a bad engine mount. Replace it with a mount from the leading aftermarket...Direct OEM replacementSecurely supports the engine on the chassis$11.82
- ACDelco®GM Original Equipment™ V-Ribbed Serpentine BeltChevy Trailblazer 2003, GM Original Equipment™ V-Ribbed Serpentine Belt by ACDelco®. Designed utilizing the latest technology, this GM Original Equipment Serpentine Belt by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$26.73 - $67.85Save: up to 18%$22.73 - $57.01
- ACDelco®Genuine GM Parts™ Valve CoverChevy Trailblazer EXT 5.3L 2003, Genuine GM Parts™ Valve Cover 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$138.82 - $169.55Save: 16%$117.29 - $143.26
- TRQ®Engine Valve CoverChevy Trailblazer EXT 5.3L 2003, Engine Valve Cover by TRQ®. Give your vehicle a new life with this top-grade TRQ engine valve cover kit. Designed to prevent oil leaks and protect cylinder head hardware from the elements, it will ensure...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$64.95 - $90.95Save: up to 6%$61.70 - $85.49
- TRQ®Engine Valve Cover KitChevy Trailblazer EXT 5.3L 2003, Engine Valve Cover Kit by TRQ®. Give your vehicle a new life with this top-grade TRQ engine valve cover kit. Designed to prevent oil leaks and protect cylinder head hardware from the elements, it will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$122.95Save: $6.15 (5%)$116.80
- ACDelco®GM Original Equipment™ Drive Belt TensionerChevy Trailblazer 2003, GM Original Equipment™ Drive Belt Tensioner with Pulley by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect...Made with precision and quality in mindDesigned to meet your specific needs$73.59 - $75.62Save: 16%$61.75 - $63.24
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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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