1989-1990 Buick Electra Mass Air Flow Sensor with Housing V6 3.8L. 1988-1990 Buick Reatta Mass Air Flow Sensor with Housing V6 3.8L. 1988-1990 Buick Riviera Mass Air Flow Sensor with Housing V6 3.8L. 1989-1991 Pontiac Bonneville Mass Air Flow Sensor with Housing V6 3.8L.