0 GM/Chev (HD) 8.1L GAS, , ECMs, Fits to: Workhorse Custom Chassis , (Used) GM/Chevy 8.1L, ENGINE ECM- Model: YPUH, Part Number: 12602801, Serial Number: 86YPUHR171970382, HDW NO. 12589161, 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# 86YPUHR171970382, Part# 12602801,