Check the listing for details. 2004-05 6.6L Silverado Engine computer 15292913 "Programmed to your VIN" ECM PCM. Condition: Remanufactured. Listed at 799.95 USD. This E.C.M. fits the following: 2004-05 6.6L (8th VIN digit "2") Diesel Chevrolet Silverado, GMC Sierra. This auction is for one service number 15292913 ECM (Engine control module) that is programmed for your vehicle using the latest software updates using your V.I.N. (Vehicle identification number) to exactly match your vehicle. After you purchase the E.C.M. you will need to provide us with your V.I.N so that we can program the E.C.M. before we ship it to you. This computer is refurbished and tested for functionality. There is no core charge you keep your old E.C.M. There is a one year replacement warranty. A 30 minute "do it yourself" anti-theft relearn will have to beperformed before the truck will start. Instructions will be included We will ship within one business day of payment. Same day shipping if ordered before 2:00 EST (Mon-Fri).