Delphi Upstream Oxygen (O2) Sensor for 1991-1993 Buick Park Avenue 3.8L V6 - wt

NGK NTK Upstream O2 Oxygen Sensor for 1991-1993 Buick Park Avenue 3.8L V6 - bh

Delphi Upstream Oxygen (O2) Sensor for 1991 Buick LeSabre 3.8L V6 - O2 wd

Bosch 15703 O2 Sensor for 1994-1996 Buick Century 3.1L V6 Upstream

Delphi Upstream Oxygen (O2) Sensor for 1988-1991 Buick Reatta 3.8L V6 - O2 rs

Delphi Upstream Oxygen (O2) Sensor for 1985-1993 Buick Riviera 3.8L 5.0L V6 vt

For 1996 Buick Regal 3.8L 2 Pcs Upstream & Downstream Oxygen O2 02 Sensor

NGK NTK Upstream O2 Oxygen Sensor for 1982-1993 Buick Regal 3.8L 2.8L 4.1L sz