2008 GM/Chev (HD) Other, Truck Delivery, Transmission ECMs, Fits to: Workhorse Custom Chassis W42, (USED) 2007 GM/Chev (HD) Trans ECM. S/N-24239926 P/N-180652470 PINS-49 For more information about this item call. We ship Worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Serial# 24239926, Casting# 24239926, Truck Year 2008 5B4KPD28183434488