BOSCH 16121 Premium Original Equipment Oxygen Sensor - Compatible with Select Audi A4

BOSCH 16121 Premium Original Equipment Oxygen Sensor - Compatible with Select Audi A4

• [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% 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 hassle-free
• Compatible with select vehicles (Note: verify specific fitment details, including sensor position, with fit checker above): AUDI: 2004-05 A4