2001 Caterpillar C15, Truck Tractor, Engine Assys, Fits to: Western Star 4900E, (Used) 2000 Caterpillar C15, ENGINE ASSEMBLY- Family Number: XH0893ERK, Displacement: 14.6L, Horsepower: 490, ESN: 6NZ31372, Part Number: 9090994, 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 490, Serial# 6NZ31372, Casting# 6NZ31372 2WKEDD3J81K970301