BOSCH 16978 Premium Original Equipment Oxygen Sensor - Compatible with Select Audi Allroad, A4, A6, A8, S4, TT; Volkswagen Beetle, Cabrio, EuroVan, Golf, Jetta, Passat, Phaeton, Touareg

[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, superior 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 International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.