Bosch 15048 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Jaguar Vanden Plas and XJ Models

The Bosch Validated Oxygen Sensor 15048 is designed specifically for select Jaguar vehicles, including the Vanden Plas, XJ8, XJR, and XK8 models. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance by precisely monitoring exhaust gases.

• Specific fit for Jaguar Vanden Plas, XJ8, XJR, and XK8
• Heated narrow-band oxygen sensor for improved response time
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 13.2-inch wiring harness with 4 male blade terminals and a square male connector
• Durable metal housing finished in steel for long-lasting use
• Overall length of 16.9 inches with 15.7 inches from sealing surface to connector end
• Standard replacement grade for reliable emissions control

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering precise and reliable sensor solutions tailored to specific vehicle applications. This ensures compatibility and performance that meet OEM standards. The 15048 sensor is part of this line, providing a direct fit and heated narrow-band sensing technology to maintain accurate air-fuel mixture readings for Jaguar models.

Product Details and Specifications

This Bosch 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 heated, which helps it reach operating temperature faster, improving emissions control efficiency. It includes a 13.2-inch wiring harness with four wires and blade terminals, terminating in a square male connector with four male terminals. The sensor housing is made of metal with a steel finish, weighing approximately 0.22 lbs. The overall length is 16.9 inches, with 15.7 inches measured from the sealing surface to the end of the connector, ensuring proper fitment in the exhaust system of Jaguar Vanden Plas, XJ8, XJR, and XK8 vehicles.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper fuel mixture control
• Helps resolve check engine light codes related to oxygen sensor failure
• Improves fuel efficiency by providing precise exhaust gas data
• Reduces harmful emissions by maintaining proper catalytic converter function
• Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 15048, ensure the vehicle is cool to avoid burns. Use the 22 mm hex size to remove the old sensor and install the new one securely with the 18 mm threaded mount. Confirm the wiring harness is properly connected to the vehicle’s harness using the square male connector with four terminals. No mounting bracket is included, so use the existing mounting point. Verify sensor orientation and wiring routing to prevent damage during operation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Bosch Validated Oxygen Sensor 15048 is a standard replacement grade part designed to meet OEM specifications for Jaguar vehicles. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.