Fit for Chevrolet:
For Astro 4.3L 00-02 Upstream Right or Downstream
For Blazer 4.3L 02-05 Upstream or Downstream
For Impala 3.4L 01-05 Upstream
For Malibu 3.1L 01-03 Upstream
For Monte Carlo 3.4L 01-05 Upstream
For S10 4.3L 02-04 Upstream
For Silverado 1500 4.8L 00-02 Upstream or Downstream
For Silverado 1500 5.3L 00-01 Upstream or Downstream
For Silverado 2500 5.3L 2000 Upstream or Downstream
For SSR 5.3L 03-04 Upstream
For Suburban 1500 5.3L 00-01 Upstream or Downstream
For Tahoe 4.8L 00-02 Upstream or Downstream
For Venture 3.4L 01-05 Upstream

Fit for GMC:
For Envoy XL 5.3L 03-04 Upstream
For Jimmy 4.3L 02-04 Upstream or Downstream
For Safari 4.3L 00-02 Upstream Right or Downstream
For Sierra 1500 4.8L 00-02 Upstream or Downstream
For Sierra 1500 5.3L 00-01 Upstream or Downstream
For Sonoma 4.3L 02-04 Upstream or Downstream
For Yukon 4.8L 00-02 Upstream or Downstream
For Yukon 5.3L 00-01 Upstream or Downstream
For Yukon XL 1500 5.3L 00-01 Upstream or Downstream

Fit for Cadillac:
For DeVille 4.6L 00-03 Upstream
For Eldorado 4.6L 00-02 Upstream
For Escalade 5.3L 02 Upstream or Downstream
For Seville 4.6L 00-03 Upstream

Fit for Isuzu:
For Ascender 5.3L 03-04 Upstream
For Rodeo 3.2L 02-04 Upstream or Downstream
For Rodeo Sport 3.2L 02-03 Upstream or Downstream

Fit for Pontiac:
For Aztek 3.4L 01-05 Upstream
For Grand Am 3.4L 01-05 Upstream
For Grand Prix 3.1L 01-03 Upstream
For Montana 3.4L 01-05 Upstream

Fit for Buick:
For Century 3.1L 01-05 Upstream
For Rendezvous 3.4L 02-05 Upstream

Fit for Oldsmobile:
For Aurora 3.5L 01-02 Upstream
For Aurora 4.0L 01-03 Upstream
For Intrigue 3.5L 00-02 Upstream
For Silhouette 3.4L 01-04 Upstream