(Used) 2006 GM/Chev (HD) 6.0L, ENGINE ASSEMBLY- Family Number: 7GMXH06.0583, Displacement: 6.0L, Horsepower: 300, Serial Number: 52119G311, Part Number: 52G7D335A, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921