(Used) GM/Chevy HD 5.7L ENGINE ECM - Part Number: 09386530, Serial Number: 86DMNP922099ZDP7, Service Number: 12200411, 12212431, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921