The 1994-2010 Ford 6.0L PowerStroke Diesel Fuel Filter Return Tube (part number 3C3Z-9T289-AA) is a crucial component for the fuel system in PowerStroke diesel engines. This return tube connects the fuel filter to the fuel tank, allowing for the proper circulation of fuel and maintaining optimal performance. Designed for durability and reliability, this OEM part ensures a secure fit and effective operation, helping to prevent leaks and maintain fuel system integrity. Whether you're replacing a worn or damaged tube or performing maintenance, this return tube is essential for the efficient functioning of your diesel engine.