This is an Oil FIlter & Spark Plug for the following Models

1985-1986 ATC350X

1993-2009 TRX300EX /X Sportrax

1986-1989 TRX350 / Foreman Models

1987-1988 / 1991-1992 TRX250X Fourtrax

1985-1987 TRX250 Fourtrax

1985-1987 ATC250SX

1985-1987 ATC250ES Big Red

1991-1997 TRX200 D Fourtrax