Product Description
Brand-new one wire (non-heated, original equipment) Oxygen (O2) Sensor for 1984-1987 Vin 9 and Vin 7 Buick Grand National, Turbo Regal, 1987 GNX, and 1989 Turbo Trans Am.
This part replaces both ACDelco AFS-20 and AFS-22 oxygen sensors.
This part features pre-applied anti-seize compound on threads.