2009 GM/Chev (HD) 4.8, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2009 GM/Chev (HD) 4.8, ENGINE ECM- ECM Model: E38, Part Number: 12629209, Serial Number: 86YRUCK19126G2RE, Serv. Number: 12625455, 1 Rectangular Plug with 73 Pins, 1 Rectangular Plug with 80 Pins, 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# 86YRUCK19126G2RE, Casting# 86YRUCK19126G2RE, Truck Year 2009 5B4JPD28193438005