(Used) 2009 Workhorse GM/Chevy HD 4.8 L ENGINE ECM - Part Number: 142629209, Serial Number: 86YRUCK4/575P97R, 651236, Service Number: 12625455 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921