2007 GM/Chev (HD) 6.0L, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2006 GM 6.6L, ECM- Part Number: 12613264, Serial Number: 86YPUHR172180651, Serv Number: 12602801, HDW Number: 12589161, 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# 86YPUHR172180651, Casting# Other, Truck Year 2007 5b4kpd2v073430758