Bosch 17290 Premium Wideband Air/Fuel Ratio Oxygen Sensor

The Bosch 17290 Premium Wideband Air/Fuel Ratio Oxygen Sensor is an OE-quality replacement sensor designed to optimize fuel economy and reduce harmful emissions. Unlike standard oxygen sensors that simply switch between rich and lean readings, this advanced wideband sensor precisely measures the exact amount of oxygen in the exhaust, providing the engine control unit with proportional data for more accurate fuel management.

Key Features:

• Advanced Wideband Sensing Element: Utilizes sophisticated sensor technology to measure exact air/fuel mixture ratios rather than basic rich/lean switching
• Laser-Welded Stainless Steel Construction: Double laser-welded body is completely submersible and sealed tight to protect against corrosive exhaust emissions, ensuring extended service life
• Fast-Acting Heater: Integrated heating element allows the sensor to reach optimal operating temperature within seconds for immediate performance
• 100% Factory Tested: Each sensor undergoes complete functional testing, resulting in the characteristic seared appearance of the protection tube that guarantees quality
• True Direct-Fit Installation: Includes OE-type connector and wiring harness for hassle-free installation with no modifications required
• Pre-Coated Threads: Threads come pre-applied with anti-seize compound right out of the box for easy installation and future removal
• 5-Wire Design: Features 18mm thread diameter with heated 5-wire configuration made from durable zirconium material

As the inventor of the automotive oxygen sensor in the late 1960s, Bosch brings decades of engineering expertise and manufacturing experience to every sensor. This premium wideband A/F sensor meets or exceeds OE specifications and helps maintain the ideal 14.7:1 air-fuel ratio for complete combustion, maximizing engine efficiency while protecting your catalytic converter from premature failure.