Bosch 15383 Premium OE Direct-Fit Oxygen Sensor

The Bosch 15383 Premium Oxygen Sensor is an OE-identical replacement sensor designed to restore proper engine performance, improve fuel economy, and reduce harmful emissions. This heated 4-wire sensor features Bosch's proven technology backed by over 40 years of oxygen sensor innovation since inventing the technology in the 1970s.

Key Features:

• OE Direct-Fit Design: Features true direct-fit OE connectors and wiring harness for easy, plug-and-play installation with no modifications required
• Heated 4-Wire Configuration: Fast-acting heater element allows the sensor to reach optimal operating temperature within seconds for quicker closed-loop operation
• Durable Construction: Double laser-welded stainless steel body is fully submersible and sealed tight to protect against corrosive exhaust gases
• Pre-Coated Threads: Threads come pre-coated with anti-seize compound right out of the box for hassle-free installation and future removal
• 100% Factory Tested: Every sensor undergoes complete functional testing (resulting in the characteristic seared appearance of the protection tube) to ensure it meets Bosch's rigorous quality standards
• 17.6-Inch Cable Length: Provides proper reach for designated sensor positions

A properly functioning oxygen sensor is critical for maintaining the ideal air-fuel ratio, maximizing fuel efficiency, and preventing premature catalytic converter failure. The Bosch 15383 monitors oxygen levels in exhaust gases and sends real-time data to the engine control unit, allowing for precise fuel mixture adjustments. This direct-fit sensor installs with threaded mounting and comes backed by a 12-month warranty.