Bosch 15717 Premium OE Oxygen Sensor | Direct-Fit for Ford, Lincoln, Mazda, Mercury

Engineered for lasting performance

Bosch brings decades of precision to your exhaust system with the 15717 oxygen sensor. Built to withstand heat, vibrations, and pollutants, this sensor helps your vehicle’s engine management stay reliable in everyday driving, from quick commutes to longer highway trips.

Each sensor undergoes thorough factory testing to ensure full functionality. A distinctive seared appearance on the protection tube signals that the unit has passed stringent quality checks, offering you confidence before installation.

Robust construction you can feel under the hood

The sensor features an exclusive double laser-welded stainless steel body that is fully submersible and sealed to resist exhaust moisture and contaminants. This design is aimed at delivering longer service life, even in demanding driving conditions and extreme climates.

• Submersible, sealed steel body protects against heat and corrosion
• Direct-fit OE connectors and harnesses simplify installation
• Threads pre-coated with anti-seize compound right out of the box

Fast acting heater for rapid readiness

The fast-acting heater brings the sensor to operating temperature within seconds, helping readings stabilize quickly on Planar and 3, 4, and 5 wire Thimble type sensors. In practice, this can support smoother cold starts and steadier fuel calculations as you drive.

• Rapid warm-up supports immediate readiness
• Faster stabilization of air-fuel readings for steady engine management

Direct-fit installation and broad compatibility

With true OE connectors, harnesses, and ready-to-install threads, the 15717 is designed for straightforward replacement. It’s compatible with a broad range of Ford, Lincoln, Mazda, and Mercury vehicles. Exact fit varies by year and engine, so use the fit checker to confirm your application.

Maintenance context and potential benefits

Replacing at manufacturer-recommended intervals helps preserve the monitoring system, supporting efficient engine operation and, over time, contributing to lower emissions and improved fuel economy as part of regular maintenance.

Bottom line: Bosch 15717 combines a legacy of sensor technology with robust hardware to help keep your vehicle’s emission monitoring accurate, your engine responsive, and your driving experience smooth.