This transmission oil cooler bypass valve is designed to regulate the flow and temperature of the transmission fluid to ensure the proper operating temperature of the transmission on specified vehicles. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Ford Excursion: 2000, 2001, 2002, 2003, 2004, 2005] - [Ford Expedition: 1998, 1999, 2000, 2001, 2002] - [Ford F-150 Heritage: 2004] - [Ford F-150: 1998, 1999, 2000, 2001] - [Ford F-250 Super Duty: 1999, 2000, 2001, 2002, 2003, 2004] - [Ford F-350 Super Duty: 1999, 2000, 2001, 2002, 2003, 2004] - [Ford F-450 Super Duty: 1999, 2000, 2001, 2002, 2003, 2004] - [Ford F-53 Motorhome Chassis: 1999, 2000, 2001, 2002, 2003, 2004] - [Ford F-550 Super Duty: 1999, 2000, 2001, 2002, 2003, 2004] - [Lincoln Navigator: 1998, 1999, 2000, 2001]