Oxygen O2 Sensor Upstream Downstream fit for Isuzu GMC Oldsmobile Acura Buick Cadillac 234 4012

Fitment fit for Downstream: 98-01 Blazer 4.3L V6?98-01 S10 4.3L V6 98-01 GMC Jimmy 4.3L V6?98-01 GMC Sonoma 4.3L V6 Upstream: Chevy: 96-97 Astro 4.3L V6 96-98 C1500 4.3L V6 96-99 C2500 5.0LV8?96-98 C2500 5.7L V8?96 C2500 Suburban 5.7L V8 94 97 Camaro 5.7L V8?95-96 Camaro 3.8L V6 96-02 Express 1500 4.3L V6?5.0L V8?5.7L V8 96-02 Express 2500 4.3L V6?5.0L V8?5.7L V8 96-02 Express 3500 5.7L V8 96-98 K1500 4.3L V6 97-98 K2500 5.0L V8 94-96 Impala 5.7L V8 94-95 Lumina APV 3.8L V6 95-96 Monte Carlo 3.1L V6?3.4L V6 96 K2500 Suburban 5.7L V8 99-02 Silverado 1500 4.3L V6?4.8L V8?5.3L V8 99-00 Silverado 2500 5.3L V8 94-94 S10 4.3L V6 00-02 Tahoe 4.8L V8?5.3L V8 96-00 Tahoe 5.7L V8 GMC: 96-02 Savana 1500 4.3L V6?5.0L V8?5.7L V8 96-02 Savana 2500 4.3L V6?5.0L V8?5.7L V8 96-02 Savana 3500 5.7L V8 99-02 Sierra 1500 4.3L V6?4.8L V8?5.3L V8 99-00 Sierra 2500 5.3L V8 00-02 Yukon 4.8L V8?5.3L V8 96-00 Yukon 5.7L V8 00-02 Yukon XL 1500 5.3L V8 96-98 C1500 4.3L V6 96-99 C1500 5.0L V8?5.7L V8 96-99 C2500 5.0L V8? 96-98 K1500 4.3L V6 96-99 K1500 5.0L V8? 5.7L V8 98 K2500 5.0L V8?1996-98 K2500 5.7L V8 ...... and for more vehicle model please check  vehicle model at the left top Specifications Interchange Part Number: 234-4012 Length (Sensor to Lead): 402mm (15.82 inch) Wires: 4 Position: Upstream/Downstream Oxygen Sensor Package Includes 1pc Oxygen Sensor