Air Pump Check Valve - Compatible with 1975 - 1982, 1984 - 1991 Mercury Grand Marquis 1976 1977 1978 1979 1980 1981 1985 1986 1987 1988 1989 1990

Air Pump Check Valve - Compatible with 1975 - 1982, 1984 - 1991 Mercury Grand Marquis

Note: Air Cleaner Check Valve

Features:
- As a global manufacturer of emission components, we maintain complete quality control throughout the manufacturing process, from componentry to finished product
- Fluoroelastomer check valve withstands extreme exhaust gas temperatures to ensure longevity
- High-quality check valve ensures one direction flow for proper performance
- Undergoes 100% end-of-line testing to ensure proper flow and low leak performance

Compatible With or Fits:
Note: 3/4 Inch x 14 Thread on One End
- 1982 Mercury Grand Marquis 4.2L V8

Note: Hose Nipple One End
- 1981 Mercury Grand Marquis 4.2L V8
- 1980 - 1981 Mercury Grand Marquis 5.8L V8
- 1979 - 1982, 1984 - 1985, 1990 - 1991 Mercury Grand Marquis 5.0L V8

Note: With Internal Threads
- 1986 - 1989 Mercury Grand Marquis

Note:
- 1975 - 1978 Mercury Grand Marquis 7.5L V8

Fits Years: 1975 1976 1977 1978 1979 1980 1981 1982 1984 1985 1986 1987 1988 1989 1990 1991