1994-2003 Ford 7.3L Powerstroke Diesel Turbo Pedestal Yellow O-Ring Gaskets OEM (2) Large & (2) Small Turbo Pedestal Yellow O-Ring Gaskets Kit E-150 E-250 E-350 E-450 Econoline Super Duty F-250 F-350 F-450 F-550 Super Duty 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 F4TZ*6N653*A (x2) & F4TZ*6N653*B (x2) FORD F4TZ-6N653-A (2) & F4TZ-6N653-B (2)