Bosch 15570 Oxygen Sensor - Downstream Right

Overview of Bosch Validated Oxygen Sensor 15570

The Bosch Validated Oxygen Sensor 15570 is designed specifically for select Lexus and Toyota models, including the Highlander, RX330, RX350, RX400h, and RX450h. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.

• Specific fit for Lexus and Toyota Highlander, RX330, RX350, RX400h, RX450h
• Heated narrow-band oxygen sensor for precise air-fuel ratio monitoring
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 23.1-inch wiring harness with 4-pin rectangular female connector
• Durable metal housing finished in steel for long-lasting performance
• Standard replacement grade with universal wiring harness included

Detailed Product Features and Specifications

The Bosch Validated Oxygen Sensor 15570 features a narrow-band heated sensor type, which is essential for maintaining the correct air-fuel mixture in your vehicle’s engine. The sensor is threaded with an 18 mm diameter and a 22 mm hex size, allowing for secure installation. It comes with a 23.1-inch wiring harness and a 4-pin rectangular female connector, ensuring compatibility with the vehicle’s existing wiring system. The sensor’s overall length is 26.8 inches, with a 25.6-inch length from the sealing surface to the end of the connector, providing ample reach for installation in the exhaust system.

Constructed with a metal housing and finished in steel, this oxygen sensor is built to withstand harsh operating conditions. The heated element within the sensor allows it to reach operating temperature quickly, improving emission control efficiency and engine responsiveness. The Bosch Validated Oxygen Sensor line is known for meeting strict quality standards, ensuring reliable performance and durability.

Compatible Vehicles and Applications

This oxygen sensor is specifically designed for use in the following vehicles:

• Lexus Highlander
• Lexus RX330
• Lexus RX350
• Lexus RX400h
• Lexus RX450h
• Toyota Highlander

It is a direct replacement part that helps maintain proper engine function and emission control in these models.

Common Issues Addressed by Oxygen Sensor 15570

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine performance problems such as rough idling or hesitation
• Failed or degraded sensor causing improper catalytic converter operation

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 15570, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length and connector type match the vehicle’s specifications. The sensor features a threaded mounting type with an 18 mm thread diameter, so apply anti-seize compound on the threads if recommended by the vehicle manufacturer. No mounting bracket is included, so use the existing mounting location on the exhaust system.

Quality Assurance and Warranty

The Bosch Validated Oxygen Sensor 15570 is manufactured to meet OEM standards for fit, form, and function. Bosch’s quality control processes ensure consistent sensor performance and durability. This part is a standard replacement grade sensor designed to provide reliable operation over the life of the vehicle. Warranty coverage details should be confirmed with the parts provider or Bosch directly.