Type: Plenum Intake Manifold. For Ford F250 F350 F450 F550 Powerstroke 7.3L 1999.5-2003. Early 1999 Models: V8 Powerstroke Fender Badge and 4 Bolts Securing the Compressor Housing. Late 1999 Models: Powerstroke Door Badae and 5 Bolts Securing the Compressor Housing.