2007 GM/Chev (HD) V8, 4.8L, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2007 GM/Chev (HD) 4.8L ENGINE ECM- Part Number: 89017749, Serial Number: 86YJHH9041840EMX, 2 Rectangular Plug with 80 Pins each, Reference images for condition. 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# 86YJHH9041840EMX, Casting# 86YJHH9041840EMX, Truck Year 2007 5B4KPD2V273430938