2008 GM/Chev (HD) V8, 4.8L, Gas, Truck delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2008 GM/Chev (HD), ECM- Model: YPJW, Part Number: 12612384, Serial Number: 86YPJWK19138GKA6, Serv Number: 12612384, 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# 86YPJWK19138GKA6, Casting# 86YPJWK19138GKA6, Truck Year 2008 5b4kpd28683434177