2007.5 08 09 10 Chevrolet Silverado GMC Sierra 2500 3500 Duramax 6.6L LMM Complete engine, Allison 1000 transmission,MP1625XHD (electronic shift) or MP1626XHD (manual shift) transfer case. 86,065 Miles Includes engine, transmission and transfer Case wiring harness. (Engine & transmission mounts, fuse box, fuel peddle w/ pigtail, driveshafts, transfer case push button selector and module with pigtails.) Due to high demand the ECM, TCM and Intercooler pack (radiator, air charger, upper and lower radiator supports, trans cooler and AC condenser) is available at additional cost.