0 GM/Chev (HD) 6.0L, , ECMs, Fits to: , (Used) 2007 Chevrolet ENGINE ECM- Serial Number: 86YPUHR171930523, Part Number: 12589161, Service Number: 12602801, YPUH, 12613264, 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# 86YPUHR171930523, Part# 12589161,