BOSCH 17321 Premium Original Equipment Oxygen Sensor - Compatible with Select Ford Expedition, Explorer, E-Series, Flex, Focus, F-Series, Mustang, Taurus, Transit; Lincoln MKC, MKS, MKT, Navigator

[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 contamination from exhaust emissions ? ensuring longer sensor service life [FAST ACTING HEATER] - Fast-acting heater optimizes sensor operation, 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.