2009 GMC Truck Sierra 3500 Engine — Part # H25015 — Spilman Auto Parts, Inc.-Team PRP, URG, ARA · Bloomfield, IA

When replacing an engine, one of the most critical yet often overlooked factors is ensuring the engine's compatibility with your vehicle's drivetrain and emission standards. This 2009 GMC Truck Sierra 3500 engine is specifically designed for a 4x4 configuration with a 6.6-liter diesel (6.6D) setup, featuring the AOT6 engine code and a CL designation. These details are essential to match your truck's existing engine specifications and drivetrain to avoid installation issues or performance mismatches. This engine is graded as a "C," indicating it may have moderate wear or cosmetic imperfections, which is typical for used engines and should be considered when evaluating its value against new or higher-grade options. The seller notes that one or three-year parts and labor warranties are available, providing some assurance for your investment. Additionally, the engine is estimated to save 1194kg in CO2e emissions, a useful metric if you are conscious about environmental impact. When comparing this engine to others, check for the exact engine code (AOT6), displacement (6.6D), and drivetrain compatibility (4x4) to ensure a proper fit. Also, consider the warranty options and the engine's grade to balance cost and reliability. The seller stock identifier H25015 can help you reference this exact unit when inquiring or ordering. This engine is a direct fit for the 2009 GMC Truck Sierra 3500, but you should verify all specifications against your vehicle's current setup. For more detailed GMC parts, consider exploring our GMC parts section. If you’re ready to replace your engine with a unit tailored for your 2009 GMC Sierra 3500 4x4 diesel truck, this option offers a balance of cost, warranty, and environmental considerations. Contact the seller with the stock ID H25015 to confirm details and secure your purchase today.