2003 Chevy Silverado 3500 Engine Assemblies
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- Dahmer Powertrain®Long Block EngineChevy Silverado 3500 2003, Long Block Engine by Dahmer Powertrain®. Designed utilizing the latest technology, this product by Dahmer Powertrain features premium quality and will perform better than advertised. Perfect for your vehicle...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$3,703.52 - $4,769.81
- Industrial Injection®Duramax LB7 Race Performance Engine Long BlockChevy Silverado 3500 6.6L 2003, Duramax LB7 Race Performance Engine Long Block With Arp Studs by Industrial Injection®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...Built to match your exact requirementsHigh quality you can rely on$23,873.03
- Industrial Injection®Duramax LB7 Stock Engine Long BlockChevy Silverado 3500 6.6L 2003, Duramax LB7 Stock Engine Long Block by Industrial Injection®. 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...Built to match your exact requirementsHigh quality you can rely on$14,540.42
- Replace®350 375HP Crate EngineChevy Silverado 3500 5.7L 2003, 350 375HP Crate Engine by Replace®. Great crate engine with a noticeable idle, very street able with lots of power. Your engine may not necessarily come with all components listed, but they are listed as...Reverse engineered to ensure any factory defects are eliminatedDyno proven horsepower gains$4,380.67 - $6,225.64
- Replace®350HP High Performance EngineChevy Silverado 3500 5.7L 2003, 350HP High Performance Engine by Replace®. When you want a significant horsepower increase, give your car or truck a "heart" transplant with an Replace Performance Engine. Replace offers 3 stages of...Reverse engineered to ensure any factory defects are eliminatedDyno proven horsepower gains$3,511.22 - $5,932.75
- Replace®EngineChevy Silverado 3500 2003, Engine by Replace®. 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 provide a...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$3,527.16 - $4,047.01
- Replace®High Performance 292HP Base EngineChevy Silverado 3500 5.7L 2003, High Performance 292HP Base Engine by Replace®. When you want a significant horsepower increase, give your car or truck a "heart" transplant with an Replace Performance Engine. Replace offers 3 stages of...Reverse engineered to ensure any factory defects are eliminatedDyno proven horsepower gains$3,227.56
- Replace®High Performance 460HP Base EngineChevy Silverado 3500 6.0L 2003, High Performance 460HP Base Engine by Replace®. When you want a significant horsepower increase, give your car or truck a "heart" transplant with an Replace Performance Engine. Replace offers 3 stages of...Reverse engineered to ensure any factory defects are eliminatedDyno proven horsepower gains$5,764.40
- Replace®LQ4 6.0L 460 HP Crate EngineChevy Silverado 3500 6.0L 2003, LQ4 6.0L 460 HP Crate Engine by Replace®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9,108.42
- Replace®Long Block EngineChevy Silverado 3500 6.6L Block Cast # 4133000505 with Injectors Mount Inside Valve Cover 2003, Long Block Engine by Replace®. This premium product is the best way to go for those looking for the highest quality replacement that offers...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6,955.56