Bosch 15373 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Jaguar Vehicles

The Bosch Validated Oxygen Sensor 15373 is designed specifically for select Jaguar models, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor offers a direct fit and reliable operation for your Jaguar S-Type, XF, XJ8, and other compatible models.

• Specific fit for Jaguar S-Type, Super V8, Vanden Plas, XF, XFR, XJ8, XJR, XK, and XKR
• Heated narrow-band oxygen sensor for accurate air-fuel mixture readings
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• 16.7-inch wiring harness length with 4-pin rectangular female connector
• Durable metal housing with steel finish and standard replacement grade
• Includes wiring harness for straightforward installation

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor line is engineered to meet stringent OEM standards, providing reliable emission control components tailored to specific vehicle applications. This product line focuses on delivering sensors that maintain engine efficiency and comply with emission regulations, making the Bosch Validated Oxygen Sensor 15373 a dependable choice for Jaguar owners requiring precise sensor replacement.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated design, which allows it to quickly reach operating temperature and provide accurate oxygen level readings to the engine control unit. The sensor’s 4-wire configuration includes a 4-pin female connector with a rectangular shape, ensuring a secure and specific fit. The threaded mounting type with an 18 mm diameter and 22 mm hex size facilitates proper installation and sealing. The sensor’s overall length is 20.1 inches, with a wiring harness length of 16.7 inches and a sealing surface to connector length of 18.9 inches, providing ample reach for the designated Jaguar models. Constructed with a metal housing and steel finish, this sensor is built for durability and consistent performance.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved engine efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter function
• Improves fuel economy by providing precise sensor data
• Prevents rough idling and engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 15373, ensure the vehicle is compatible with the specific Jaguar models listed. Use the 22 mm hex size for sensor removal and installation. Verify the 4-pin female connector matches the vehicle’s wiring harness to avoid connection issues. The threaded mounting type requires proper torque to prevent exhaust leaks. Since the sensor includes a wiring harness, no additional wiring modifications are necessary, simplifying the replacement process.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet OEM specifications and undergo rigorous testing to ensure reliability and durability. The Bosch Validated Oxygen Sensor 15373 is a standard replacement grade part designed to maintain emission control system integrity. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s performance for Jaguar vehicles.