2003 Chevy W-Series Engine Blocks
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PPE®Main Stud KitChevy W3500 Tiltmaster / W4500 Tiltmaster 5.7L / 6.0L 2003, Main Stud Kit by PPE®. Increasing the boost that is fed into your truck engine is great for horsepower, but it places additional stress on stock pieces that were not designed...Made from 8740 chromoly with black oxide finishThread-rolled to Mil-S-8879 specifications$229.49 - $292.64 - Enginetech®Brass Expansion Plug KitChevy W4500 Tiltmaster 6.0L General Motors Engine 2003, Brass Expansion Plug Kit 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...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$14.71
- Moroso®Rear Main Seal AdapterChevy W3500 Tiltmaster / W4500 Tiltmaster 5.7L 2003, Rear Main Seal Adapter by Moroso®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$225.99 - $252.99
- Dorman®Autograde™ Expansion PlugChevy W-Series 2003, Autograde™ Expansion Plug by Dorman®. This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable...Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue$1.67 - $12.77
- Dorman®Autograde™ Expansion PlugsChevy W3500 Tiltmaster / W4500 Tiltmaster 2003, Autograde™ Expansion Plugs by Dorman®. This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is...Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue$10.32 - $10.91
- Mahle®Valley Pan GasketChevy W4500 Tiltmaster 2003, Valley Pan Gasket 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. Manufactured...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$25.78
- Dart®LS Next GEN III Cast Iron BlockChevy W3500 Tiltmaster / W4500 Tiltmaster 5.7L / 6.0L With Chevy Small Block Gen III/IV (LS-based engines) Engine 2003, LS Next GEN III Cast Iron Block by Dart®. This premium product is the best way to go for those looking for the...Dart’s LS Next block is cast in the USA with premium cast iron alloyConventional style 4-bolt steel main caps with 7/16" bolts are used$4,654.75
- PRW®Crankshaft Main Bearing Cap GirdleChevy W3500 Tiltmaster / W4500 Tiltmaster 5.7L 2003, Crankshaft Main Bearing Cap Girdle by PRW®. Designed utilizing the latest technology, this product by PRW features premium quality and will perform better than advertised. Perfect for...Made with precision and quality in mindDesigned to meet your specific needs$58.00
- Replace®High Performance LQ4 6.0L Engine Short BlockChevy W3500 Tiltmaster / W4500 Tiltmaster 6.0L 2003, High Performance LQ4 6.0L Engine Short Block by Replace®. Great foundation for mild street build, or just replacement for a tired short block. This short block is built with a mild...Reverse engineered to ensure any factory defects are eliminatedDyno proven horsepower gains$3,688.80
- Dura-Bond®Oil Galley Rear Main PlugChevy W3500 Tiltmaster / W4500 Tiltmaster 5.7L 2003, Oil Galley Rear Main Plug by Dura-Bond®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...Made with precision and quality in mindDesigned to meet your specific needs$8.24
