2000 Caterpillar 3126, Truck Delivery, Engine Assys, Fits to: GMC C7500, (Used) 1999 Caterpillar 3126, ENGINE ASSEMBLY- Family Number: XCPXH0442HSK, Displacement: 7.2L, Horsepower: 246 (330) Ar No: 185-4844, Serial Number: 8YL38484, Part Number: 15759838, E.C.S.: EM, DI, TC, ECM, CAC, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Horse Power 246, Serial# 8YL38484, Casting# 8YL38484 1GDJ7H1C0YJ514360