Bosch 15571 Oxygen Sensor

Overview of Bosch Validated Oxygen Sensor 15571

The Bosch Validated Oxygen Sensor 15571 is designed specifically for select Toyota and Lexus models, including the Camry, Highlander, and RX350. This heated wide-band oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

• Heated wide-band oxygen sensor for precise emissions monitoring
• Specific fit for Toyota and Lexus vehicles such as 4Runner, Avalon, and RX400h
• Includes a 9.6-inch wiring harness with a square male connector
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with a steel finish and 4-wire configuration

Detailed Product Features and Specifications

The Bosch Validated Oxygen Sensor 15571 features a heated element to provide faster sensor response times and improved cold start performance. Its wide-band sensor type allows for more accurate measurement of oxygen levels in the exhaust gases, which is critical for maintaining proper engine air-fuel ratios. The sensor comes with a 9.6-inch wiring harness and a male blade terminal connector shaped square for secure and reliable electrical connections. The threaded mounting type with an 18 mm diameter and 22 mm hex size ensures compatibility with specific Toyota and Lexus models. The sensor’s metal housing and steel finish provide durability under harsh engine conditions. This standard replacement grade oxygen sensor includes four wires and terminals, designed for specific fitment rather than universal application.

Compatible Vehicles and Applications

• Compatible with Toyota models: 4Runner, Avalon, Camry, Highlander, RAV4, Sienna, Solara, Tacoma, Venza
• Compatible with Lexus models: ES330, ES350, RX330, RX350, RX400h, RX450h
• Used to monitor and regulate exhaust emissions for improved fuel efficiency and reduced pollutants
• Ideal for replacing faulty or worn oxygen sensors in the listed vehicles

Installation Notes and Tips

Installation of the Bosch Validated Oxygen Sensor 15571 requires removal of the old sensor and threading the new sensor into the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket for proper tightening. Ensure the wiring harness is connected securely to the vehicle’s electrical system using the square male connector. Avoid damaging the sensor’s wiring during installation. No mounting bracket is included, so the sensor mounts directly via its threaded design. It is recommended to check for any exhaust leaks after installation to ensure proper sensor operation.

Quality Assurance and Warranty

As part of the Bosch Validated Oxygen Sensor line, this sensor meets rigorous quality standards for reliable performance and durability. Bosch is a recognized manufacturer in emission control components, providing sensors that comply with OEM specifications. The product weight is approximately 0.29 lbs, reflecting a compact and robust design. Warranty details should be confirmed with the point of purchase or Bosch directly, as coverage may vary.