New FD4617 Fuel Filter For Ford Powerstroke F-250 F-350 F-450 Super Duty 6.4L. FORD F250 F-250 SUPER DUTY 6.4L. FORD F350 F-350 SUPER DUTY 6.4L. FORD F450 F-450 SUPER DUTY 6.4L. This filter is designed to replace the OEM FD4617 3C346731AA, 3C346731AB.
