[INNOVATIVE TECHNOLOGY] - Every Bosch Oxygen Sensor benefits from the technological and manufacturing experience gained from decades of production since first inventing the Oxygen Sensor in the late 1960's, ensuring long-lasting performance [FACTORY TESTED] - Seared appearance of protection tube is a result of a 100 percent fully functional quality test to ensure every Bosch manufactured sensor meets Bosch's rigorous standards for quality and performance [STAINLESS STEEL BODY] - Exclusive double laser-welded stainless steel body is totally submersible and sealed tight to protect against damage from exhaust emissions - ensuring longer sensor service life [FAST ACTING HEATER] - Fast-acting heater optimizes sensor operation on Planar and 3, 4, and 5 wire Thimble type sensors allowing the oxygen sensor to reach its operating temperature quicker - within seconds - for optimum performance [READY TO INSTALL] - True Direct-fit OE connectors and harnesses, along with threads pre-coated with anti-seize compound right out of the box, make installation simple and easy Compatible with select vehicles (Note: engine may affect fitment - verify specific fitment details, including sensor position, with fit checker above): BUICK: 1996-04 Century, 1996-03 LeSabre, 1996-03 Park Avenue, 1996-03 Regal, 2002-04 Rendezvous Compatible with (cont.): BUICK: 1996-99 Riviera; CADILLAC: 1994-99 DeVille, 1996-99 Eldorado, 1996-99 Seville; CHEVROLET: 1996-02 Camaro, 2000-04 Impala, 1996-01 Lumina, 1996 Lumina APV, 1996-04 Monte Carlo, 2001 Silverado 1500 HD Compatible with (cont.): CHEVROLET: 1999-01 Silverado 2500, 2001 Silverado 2500 HD, 2001 Silverado 3500, 2000-01 Suburban 2500, 1997-03 S10, 1997-04 Venture; GMC: 2001 Sierra 1500, 2001 Sierra 1500 HD, 1999-01 Sierra 2500, 2001 Sierra 2500 HD Compatible with (cont.): GMC: 2001 Sierra 3500, 1997-03 Sonoma, 2001 Yukon/Yukon XL 1500, 2000-01 Yukon XL 2500; ISUZU: 1997-00 Hombre; OLDSMOBILE: 1996-99 Aurora, 1996 Cutlass Ciera, 1996-97 Cutlass Supreme, 1998-99 Intrigue, 1996-99 LSS Compatible with (cont.): OLDSMOBILE: 1997-98 Regency, 1996-04 Silhouette, 1996-99 88, 1996 98; PONTIAC: 2001-04 Aztek, 1996-03 Bonneville, 1996-02 Firebird, 1996-03 Grand Prix, 1999-04 Montana, 1996-99 Trans Sport