2009 GM/Chev (HD) V8, 4.8L, Gas, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2007 GM/Chev (HD) V8 4.8, Engine ECM- Part Number: 12629209, Serial Number: 86YRUCK19126G2S3, Serv: 12625455, Engine: P-33890, Horsepower: 285, Displacement: 4.8, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK TRUCK) 929 W PULASKI HWY, ELKTON, MD 21921, Serial# 86YRUCK19126G2S3, Casting# 86YRUCK19126G2S3, Truck Year 2009 5B4JPD28393437972