2007 GM/Chev (HD) Other, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2007 GM/Chev (HD), ECM- Serial Number: 86YKYW927092MOXN, Part Number: 12597116, Serv Number: 12602801, HDW Number: 12589161, Model: YKYW, 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# Other, Casting# Other, Truck Year 2007 5b4kpd2v473425031