2007 GM/Chev (HD) 6.0L, TRUCK DELIVERY, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2007 GM 6.0L, ECM- Serial Number: 86YNBM26093FYL9, Part Number: 89017749, Displacement: 6.0L, Horsepower: 300, 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# 86YNBM26093FYL9, Casting# 86YNBM26093FYL9, Truck Year 2007 5b4kpd2u073427107