Application Models: Compatible with 1985-1996 Ford F150 F250 F350; 1980-2004 Ford E150 E250 E350; Also compatible with 1984-1990 Bronco II and 1986-1997 Aerostar;
Also compatible with 1985-1996 Crown Victoria; 1985-1996 Mercury Grand Marquis; 1991-1996 Mercury Tracer
Pack Includes: 2X Fuel Vapor Valve Seals
Function: This seal acts as a gasket between the fuel tank and the rollover valve. It's used to prevent debris or moisture from entering the fuel tank and to ensure that fuel or vapor does not escape from the tank.