Crankshaft Crankcase Breather PCV Valve Retainer Tube is a direct fit for the following:

1983-1994 Ford F-250
1983-1994 Ford F-350
1990-1994 Ford F Super Duty

1990-1994 Ford E-250 E-350 Econoline Vans

6.9L or 7.3L Diesel Engines