SMP FV12 Standard Fuel Tank Selector Valve fits 1997 - 1994 Ford F Super Duty; 1997 - 1994 Ford F-250; 1997 Ford F-250 HD; 2016 - 2000 Ford F-250 Super Duty; 1997 - 1994 Ford F-350; 2016 - 2000 Ford F-350 Super Duty; 2016 - 2000 Ford F-450 Super Duty; 2016 - 2000 Ford F-550 Super Duty