Bosch 13900 Oxygen Sensor - Downstream or Upstream

Reliable Oxygen Sensor for Jaguar and Toyota Vehicles

The Bosch Engineered Oxygen Sensor 13900 is designed specifically for select Jaguar and Toyota models, including the MR2 Spyder, XJ12, and XJS. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Specific fit for Jaguar and Toyota models
• Heated narrow-band oxygen sensor type
• Threaded mounting with 18 mm thread diameter and 22 mm hex size
• 4-wire blade terminal with male rectangular connector
• Wiring harness length of 31.3 inches included
• Durable metal housing with steel finish
• Overall length of 34.6 inches for precise installation

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise emissions control components tailored to specific vehicle applications. The 13900 oxygen sensor is part of this line, offering a standard replacement grade with a heated narrow-band sensor design. This ensures compatibility and reliable performance for Jaguar and Toyota vehicles requiring exact fitment and sensor specifications.

Product Details and Specifications

This oxygen sensor features a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for secure installation. The sensor is equipped with a 4-wire blade terminal and a male rectangular connector, providing a reliable electrical connection. The wiring harness included measures 31.3 inches, with an overall length of 34.6 inches from sealing surface to connector end, allowing for proper routing and fitment. Constructed with a metal housing and finished in steel, this sensor is built to withstand typical automotive conditions. The heated narrow-band sensor type supports accurate air-fuel mixture readings essential for emissions control systems.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Jaguar XJ12 and XJS models
• Restores proper emissions control in Toyota MR2 Spyder vehicles
• Helps resolve engine performance issues related to incorrect air-fuel mixture readings
• Prevents check engine light triggers caused by sensor malfunctions
• Supports compliance with emissions regulations by maintaining sensor accuracy

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid injury. Use a 22 mm oxygen sensor socket for removal and installation. Verify the sensor thread size is 18 mm to match the mounting port. The 4-wire connector should be securely attached to the vehicle harness, confirming the male rectangular connector fits properly. No mounting bracket is included, so use the existing mounting point. Properly route the wiring harness to avoid contact with hot or moving parts.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 13900 is manufactured to meet OEM specifications for fit and function. It is a standard replacement grade sensor designed for durability and consistent performance. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed quality assurance to support reliable operation in Jaguar and Toyota vehicles.