2008 GM/Chev (HD) V8, 4.8L, Gas, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2008 GM/Chev(HD) V8 4.8L Gas, ECM- Serial Number: 86YPMUK180935WLX, Part Number: 12617630, Serv Number: 12612384, Model: YPMU, 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# 86YPMUK180935WLX, Casting# 86YPMUK180935WLX, Truck Year 2008 5B4KPD28183434863