1971-1990 Ford Master cylinder cap gasket. Part number D1FZ-2167-B. This is a New old stock part, picture shown is a pack of 2 but these are being sold individually.  This part is obsolete from Ford.
 
1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 Ford Pinto models
1974-1980 Mercury Bobcat models
1982 1983 Ford EXP and Mercury LN7 models built before 2/83
1981-1987 Mercury Lynx models with manual brakes
1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 Ford Escort models with manual brakes
1979-1986 Mercury Capri models
1974-1978 Ford Mustang II models
1979-1989 Ford Mustang models
1975-1982 Ford Granada models with rear drum brakes
1975-1980 Mercury Monarch models with rear drum brakes
1974-1977 Mercury Comet models
1974-1977 Ford Maverick models
1978-1983 Ford Fairmont models
1978-1983 Mercury Zephyr models
1983-1986 Ford LTD models
1983-1986 Mercury Marquis models
1980-1989 Ford Thunderbird models
1980-1989 Mercury Cougar models