Engine Size: 6.6l turbo diesel, vin 1 (8th digit), federal, opt nf4
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This used 2004 Chevy Silverado 2500 6.6L engine is a grade A replacement from a donor Chevy Silverado 2500 built for 2004, with about 45,189 - 51,967 mi on the donor vehicle. The listed option is 6.6l turbo diesel, vin 1 (8th digit), federal, opt nf4. Use that 6.6L size and the option code with the VIN so the engine matches the sensors, wiring, and computer in the vehicle. This unit is priced at $5,609 and is offered in stock for shipping.
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Perfect fit for my vehicle! The engine runs smoothly and was exactly as described. Installation was straightforward, and the warranty gives me peace of mind. Highly recommend State Auto Parts!
Really impressed with how knowledgeable the support team was about my hybrid setup. They sourced the exact low-mile engine I needed and even included install tips.
Part arrived on time but had more cosmetic wear than the listing photos showed. Support offered a small credit, yet better documentation would have saved some surprises.
