Bosch 15217 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Reliable Oxygen Sensor for Lexus and Toyota Vehicles

The Bosch Validated Oxygen Sensor 15217 is designed to provide accurate air-fuel mixture readings for improved engine performance and emissions control. Specifically engineered for select Lexus and Toyota models, this heated wide-band oxygen sensor ensures precise monitoring of exhaust gases.

• Heated oxygen sensor for faster warm-up and accurate readings
• Specific fit for Lexus and Toyota models including Avalon, Camry, ES300, Highlander, RAV4, RX300, Sienna, and Solara
• Wide-band sensor type for enhanced emission control
• Includes 13.5-inch wiring harness with 4 wires and blade terminals
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish for long-lasting use
• Connector features a square shape with male gender terminals
• Standard replacement grade for reliable performance

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering sensors that meet strict quality and performance standards. This line is validated to ensure compatibility and reliability for specific vehicle applications, such as the Lexus and Toyota models supported by part number 15217. These sensors are engineered to provide consistent and accurate data to the engine control unit, helping maintain optimal combustion and emissions levels.

Product Details and Specifications

This Bosch oxygen sensor features a heated design to reduce the time needed to reach operating temperature, improving sensor response and engine efficiency. The wide-band sensor type allows for precise measurement of oxygen levels in the exhaust, which is critical for modern engine management systems. The 13.5-inch wiring harness with blade terminals and a square-shaped male connector ensures a secure and proper electrical connection. The sensor mounts via a threaded 18 mm diameter fitting and includes a 22 mm hex size for installation with standard tools. With a total length of 16.9 inches and a metal housing finished in steel, this sensor is built for durability and fitment accuracy.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel economy
• Helps reduce engine misfires and rough idling caused by faulty sensors
• Supports emission control systems to pass state inspections
• Prevents check engine light triggers related to oxygen sensor faults
• Maintains optimal engine performance in Lexus Avalon, Toyota Camry, and other compatible models

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 15217, 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 factory specifications. Do not overtighten the sensor; torque to manufacturer recommendations. Since this sensor is a specific fit, confirm compatibility with your Lexus or Toyota model before installation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet OEM standards for fit, form, and function. The Bosch Validated Oxygen Sensor line undergoes rigorous testing to ensure durability and performance. This part is a standard replacement grade component designed to provide reliable operation. Warranty coverage details should be confirmed with the parts distributor or Bosch directly.