2009 GM/Chev (HD) 6.6L DURAMAX, Full-size Van, ECMs, Fits to: Chevrolet Express, (Used) 2008 GMC 6.6 DURAMAX, ENGINE ECM- GM 12628593 2007-2010 GM 6.6L DURAMAX Serial Number: 86YSWP490090199, Pat Number: 12628641, SERV: 12609441, Engine information- Displacement: 6.6L, Horsepower: 230, Reference images for condition. 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# 86YSWP490090199, Casting# 86YSWP490090199, Truck Year 2009 1GBKG316491154005