2003 GMC-Sierra 3500 (2001 Up) 6.6L turbo diesel (VIN 1, 8th digit Federal, opt NF2 Engine An Engine Assembly comprises a comprehensive set of components, encompassing manifolds, oil pan, timing belts, covers, & fuel injection or carburetor, with an assurance limited to the long block only. Accessories such as manifolds, gaskets, seals, hoses, oil pan, timing belts & covers, fuel injection or carburetor, are excluded the warranty. Additionally, items like Turbos, Starters, air compressors, alternator, power steering pumps, optical distributors, wiring harnesses, or electrical water pumps are typically not included in the sale &/or warranty of an engine. Engines undergo thorough inspection & testing to ensure optimal functionality & are scrutinized for any water damage. Other components that may require replacement include the water pump, distributor cap, spark plugs, wires, & potentially the timing chain. First Used Auto Parts cannot be held responsible for these high-wear parts. Mileage will not be promised,
