2011- 2015 Chevrolet GMC Sierra Silverado 2500HD 3500HD Complete 6.6 L Duramax LML Engine Assembly 12638502 w/ Belt Driven Accessories, Turbo, Injectors, High Pressure Injection Pump, Adapter Plate, Flywheel/Flex Plate, Starter, Oil Pan, Wiring Harness, Intake Manifold, and Exhaust Manifold. No Core Charge. 704-1