For 1989 Pontiac Firebird Reference Sensor Walker 45656ZJDQ 3.8L V6

For 1992 Oldsmobile Silhouette Reference Sensor Walker 76337WJMK 3.8L V6

For 1986-1987 Buick Regal Reference Sensor Walker 78418JYHY 3.8L V6 Turbocharged

For 2020-2021 Nissan Frontier Reference Sensor Holstein 23273BRRS 3.8L V6

For 1992 Oldsmobile 88 Reference Sensor Spectra 85238JKHG 3.8L V6

Walker Reference Sensor fits Nissan Frontier 2005-2020 4.0L V6 34VRGWQR

For 1990-1992 Buick Regal Reference Sensor Walker 18854NNKH 1991 3.8L V6

For 2006-2008 Buick Lucerne Reference Sensor Walker 99168YMTZ 2007 3.8L V6