Intake manifold grommet for PCV valve also known as positive crankcase ventilation.
Dimensions: 0.418" ID x 1.299" OD x 0.5" Thickness
Fits the following Oldsmobile vehicles equipped with Buick engines:
98/Ninety Eight 1981-1990
Achieva 1992-1993
Calais 1985-1987
Cutlass 1975-1981
Cutlass Calais 1978-1991
Cutlass Ciera 1982-1993
Cutlass Cruiser 1980-1992
Cutlass Salon 1975-1987
Cutlass Supreme 1975-1987
Delta 88 1975-1990
Omega 1975-1979
Starfire 1975-1980
Toronado 1981-1990
Vista Cruiser 1975