1999-2007 GM Transfer Case Gas-263HD (10606)Description Upgrade your 1999 2007 GM gas truck's 263HD electronic shift four wheel drive transfer case with this new, no core charge one! Part Number: 10606 Features Direct Replacement High Quality Replacement 2 Year Warranty No Core Charge Notes Does not include encoder motor. Transfer Case will be shipped with 64 fluid oz. bottle. The transfer case WILL NOT BE FILLED WHEN RECEIVED. One Transfer Case will use 64 fluid oz. Warranty Parts Only 2 Year