2003 Chevy W-Series Engine
Select Your Submodel
- Engine Assemblies
- 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
- Engine Pulleys
- Engine Sensors, Relays, Switches
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Balance Shafts
- Intercoolers
- Throttle Bodies
- Carburetors
- Motor Oils
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Mahle®Molded Rubber Engine Oil Pan GasketChevy W4500 Tiltmaster 6.0L with Chevy Small Block Generation III/IV LS-Based Engine 2003, Molded Rubber Engine Oil Pan Gasket by Mahle®. Designed utilizing the latest technology, this product by Mahle features premium quality and will...Made with precision and quality in mindDesigned to meet your specific needs$38.13 - SKP®Drive Belt Idler PulleyChevy W-Series 2003, Drive Belt Idler Pulley by SKP®. 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 from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.15 - $13.99
- SKP®Drive Belt TensionerChevy W-Series 6.0L 2003, Drive Belt Tensioner by SKP®. 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$21.52 - $28.76
- SKP®Engine Oil PanChevy W-Series 2003, Engine Oil Pan by SKP®. 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 from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$46.94 - $172.71
- SKP®Pilot Point Multi-Fit Engine Oil Drain PlugChevy W3500 Tiltmaster / W4500 Tiltmaster / W5500... 4.8L 2003, Pilot Point Multi-Fit Engine Oil Drain Plug by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.81
- TRQ®Drive Belt Idler PulleyChevy W4500 Tiltmaster 6.0L 2003, Drive Belt Idler Pulley by TRQ®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$40.80$42.95Save $2.15 (5%)
- ACDelco®Advantage™ Crankshaft SealChevy W4500 Tiltmaster 6.0L 2003, Advantage™ Crankshaft Seal by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...Dictates the operation of your vehicle's vital systems, which is critical to the performance of your vehicleGM-recommended replacement part for your GM vehicle's original factory component$30.96
- ACDelco®Gold™ Crankshaft SealChevy W3500 Tiltmaster / W4500 Tiltmaster 6.0L 2003, Gold™ Crankshaft Seal by ACDelco®. Designed utilizing the latest technology, this Engine Crankshaft Position Sensor by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$39.37
- Dorman®OE Solutions™ Rear Main Seal Cover KitChevy W3500 Tiltmaster / W4500 Tiltmaster 6.0L 2003, OE Solutions™ Rear Main Seal Cover Kit by Dorman®. Ensure the proper sealing of the engine with Dorman's Engine Rear Main Seal Cover. The Seal Cover is designed from high-quality...Comes with bolts and gaskets - everything necessary for a complete repairConstructed from aluminum for long-lasting performance$53.70
- Enginetech®Rear Main SealChevy W4500 Tiltmaster 6.0L 2003, Rear Main Seal 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$9.13 - $22.22
- SKP®Rear Crankshaft SealChevy W3500 Tiltmaster / W4500 Tiltmaster 6.0L 2003, Rear Crankshaft Seal by SKP®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$38.99
- Timken®Crankshaft SealChevy W-Series 6.0L 2003, Crankshaft Seal by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium design,...Expertly crafted from premium materialsDesigned to match rigorous quality standards$15.26 - $15.63
- Dorman®OE Solutions™ Camshaft Position SensorChevy W3500 Tiltmaster / W4500 Tiltmaster 6.0L 2003, OE Solutions™ Camshaft Position Sensor by Dorman®. This direct replacement camshaft position sensor matches the fit and performance of a failed original equipment sensor to restore...Direct replacement - this camshaft position sensor matches the fit and performance of the original equipment sensorDurable construction - this part is manufactured to exacting standards to ensure reliable performance and durability$33.46
- Dorman®OE Solutions™ Crankshaft Position SensorChevy W3500 Tiltmaster / W4500 Tiltmaster 2003, OE Solutions™ Crankshaft Position Sensor by Dorman®. This direct replacement crankshaft position sensor matches the fit and function of the original equipment sensor for a reliable...Direct replacement - this crankshaft position sensor is a precise match for the fit and function of the original equipment sensorReady to install - matches the factory-style connector for plug-and-play installation$42.96 - $44.40
- Dorman®OE Solutions™ Passenger Side Valve CoverChevy W3500 Tiltmaster / W4500 Tiltmaster 6.0L 2003, OE Solutions™ Passenger Side Valve Cover by Dorman®. Save time and money with the Dorman Engine Valve Cover. The engine valve cover is designed to protect the cylinder head, and its...Direct replacement - this valve cover matches the original equipment part for fit and functionDurable construction - this valve cover is made of quality materials to withstand extreme temperatures to resist leaking$66.00
- Dorman®OE Solutions™ Regular Grade Type Harmonic Balancer Assembly KitChevy W3500 Tiltmaster / W4500 Tiltmaster 2003, OE Solutions™ Regular Grade Type Harmonic Balancer Assembly Kit by Dorman®. Durable and sleek, Dorman Harmonic Balancers feature a stress-resistant rubber bond that withstands the...Direct replacement to ensure proper fitBenchmarked against OE performance to meet strict quality standards$64.57 - $96.30
- Dorman®OE Solutions™ Timing Chain CoverChevy W3500 Tiltmaster / W4500 Tiltmaster 2003, OE Solutions™ Timing Chain Cover by Dorman®. This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has...Direct replacement - this engine timing cover matches the fit and function of the original equipment coverDurable construction - this part is specifically designed to withstand extreme underhood temperatures for a long service life$35.19 - $80.38
- Dorman®OE Solutions™ Valve Cover KitChevy W3500 Tiltmaster / W4500 Tiltmaster 6.0L 2003, OE Solutions™ Valve Cover Kit by Dorman®. With Gasket & Bolts. Save time and money with the Dorman Engine Valve Cover. The engine valve cover is designed to protect the cylinder...Direct replacement - this valve cover matches the original equipment part for fit and functionDurable construction - this valve cover is made of quality materials to withstand extreme temperatures to resist leaking$98.32
- ACL®Aluglide™ Connecting Rod Bearing SetChevy W3500 Tiltmaster / W4500 Tiltmaster 6.0L 2003, Aluglide™ Connecting Rod Bearing Set by ACL®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...High quality at an affordable priceExpertly made from premium materials$24.00
- ACL®Aluglide™ Main Bearing SetChevy W3500 Tiltmaster / W4500 Tiltmaster 5.7L 2003, Aluglide™ Main Bearing Set by ACL®. Aluminum Tin materials have been around since the 1960s. They have traditionally been the choice of Japanese and European manufacturers for low...High quality at an affordable priceExpertly made from premium materials$25.27 - $28.43
- ACL®Camshaft Bearing SetChevy W3500 Tiltmaster / W4500 Tiltmaster 5.7L 2003, Camshaft Bearing Set by ACL®. The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance camshaft bearings. One of...High quality at an affordable priceExpertly made from premium materials$38.21 - $61.88
- ACL®Race™ Connecting Rod Bearing SetChevy W3500 Tiltmaster / W4500 Tiltmaster 2003, Race™ Connecting Rod Bearing Set by ACL®. High performance driving demands that you use the best parts. So rely on ACL's Race Series performance engine bearings to perform to exacting...High strength overlay plate with reduced thickness for improved fatigue propertiesHardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing$69.69 - $124.37
- ACL®Race™ Main Bearing SetChevy W3500 Tiltmaster / W4500 Tiltmaster 2003, Race™ Main Bearing Set by ACL®. The ACL RACE Series performance engine bearing range of today has a strong pedigree in motorsport & traces its roots back to the 1960’s with the...High strength overlay plate with reduced thickness for improved fatigue propertiesHardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing$76.51 - $146.26
- Calico Coatings®H-Series Main Bearing SetChevy W4500 Tiltmaster 6.0L 2003, H-Series Main Bearing Set by Calico Coatings®. Bearings are coated with our CT-1 Dry Film Lubricant coating. This coating helps reduce friction and abrasive wear. It provides intermittent dry...Corrosion protectionIncreased lubricity$228.96 - $240.00
- Calico Coatings®H-Series Narrowed Connecting Rod BearingsChevy W-Series With Small Block Engine 2003, H-Series Narrowed Connecting Rod Bearings by Calico Coatings®. Bearings are coated with our CT-1 Dry Film Lubricant coating. This coating helps reduce friction and abrasive wear. It provides...Corrosion protectionIncreased lubricity$19.15 - $20.82
- Calico Coatings®H-Series Narrowed Doweled Connecting Rod BearingsChevy W-Series With Small Block Engine 2003, H-Series Narrowed Doweled Connecting Rod Bearings by Calico Coatings®. Bearings are coated with our CT-1 Dry Film Lubricant coating. This coating helps reduce friction and abrasive wear. It...Corrosion protectionIncreased lubricity$20.99 - $21.71
- Clevite®A-Series Connecting Rod Bearing SetChevy W-Series 2003, A-Series Connecting Rod Bearing Set by Clevite®. 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 deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$3.27 - $25.13
- Clevite®P-Series Connecting Rod Bearing SetChevy W-Series 2003, P-Series Connecting Rod Bearing Set by Clevite®. Enjoy superior performance by getting this premium-grade Clevite product that is throughly engineered to help take the performance of your fuel system to the next...Perfect for upgrading your fuel injection systemMade with the use of the highest quality materials$5.30 - $32.69
- Cloyes®Center Timing ChainChevy W-Series 2003, Center Timing Chain by Cloyes®. 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...Perfect for upgrading your fuel injection systemMade with the use of the highest quality materials$12.39 - $214.69
- Cloyes®Front Camshaft SprocketChevy W-Series 2003, Front Camshaft Sprocket by Cloyes®. 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...Made with precision and quality in mindDesigned to meet your specific needs$12.81 - $24.42
