1999 Caterpillar C12, Truck Delivery, ECMs, Fits to: Sterling L9513, (Used) 1998 Caterpillar C12, ECM- Model: BB48T Serial Number: 148-2023, Family Number: WCPXH0729ERK, Displacement: 11.9L, Horsepower: 410, Ar. No.: 160-2938, ESN: 9NS12580, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Serial# 148-2023, Casting# 148-2023, Truck Year 1999 2FZXKWEB7XAA31949