2pcs O2 02 Oxygen Sensor Upstream&Downstream Fits 1997-2003 Buick LeSabre 3.8L

For 04-05 Buick LeSabre Impala 3.8L O2 Oxygen Sensor 2pcs Upstream+Downstream

02 O2 Oxygen Sensor 2pcs Up+Downstream for 1996 Buick LeSabre Park Avenue Regal

2pcs Up+Downstream for 1996 Buick LeSabre Park Avenue Regal 02 O2 Oxygen Sensor

Oxygen O2 Sensor Upstream For Buick Park Avenue LeSabre Regal 1997-2003 V6 3.8L

2X Oxygen Sensor O2 02 Front+Rear Fits for Buick LeSabre Chevrolet Impala 3.8L