2007 GM/Chev (HD) V8, 8.1L; MFI; Vortec; Gasoline, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W62, (Used) 2005 GM V8 8.1, ECM- Part Number: 12597116, Serial Number: 86YKYW926207J9Z6, Serv Number: 12602801, HDW Number: 12589161, Engine: P-33898, Serial Number: 52119B019, Part Number: 52G3D330A, Horsepower: 285, Displacement: 8.1, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK TRUCK) 929 W PULASKI HWY, ELKTON, MD 21921, Serial# 86YKYW926207J9Z6, Casting# Other, Truck Year 2007 5B4MPG2G973421939