Model Compatibility: Fits vehicles manufactured between 2002 and 2010 equipped with the ZF6HP19 or ZF6HP26 transmission. Part Number: Matches the transmission control unit part number 0260550008 as specified in the designation. Functionality: Restores transmission control functionality when installed in place of a failed or damaged unit. Transmission Type: Designed specifically for use with ZF 6-speed automatic transmissions designated as 6HP19 and 6HP26. Replacement Purpose: Serves as a direct replacement for the transmission control unit without altering the vehicle’s factory or calibration.