Bosch 15074 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Jaguar XJ12 and XJS

The Bosch Validated Oxygen Sensor 15074 is designed specifically for Jaguar XJ12 and XJS models, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor provides accurate air-fuel mixture readings to help maintain efficient combustion.

• Specific fit for Jaguar XJ12 and XJS vehicles
• Heated narrow-band oxygen sensor for fast response
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes 15-inch wiring harness with 4 wires and female blade terminals
• Durable metal housing finished in steel for long-lasting use
• Connector features a rectangular female design with 4 terminals
• Overall length of 18.7 inches for proper installation

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering reliable, vehicle-specific sensors that meet OEM specifications. This ensures compatibility and performance for emission control systems. The 15074 sensor is part of this line, providing a standard replacement option with a heated narrow-band design tailored for Jaguar XJ12 and XJS models.

Detailed Product Description

This Bosch oxygen sensor features a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size, allowing for secure installation in the exhaust system. The sensor is heated to reduce warm-up time and improve accuracy in measuring oxygen levels. It includes a 15-inch wiring harness with four wires and female blade terminals, connected via a rectangular female connector with four terminals. The sensor’s metal housing finished in steel offers durability under high-temperature conditions. With an overall length of 18.7 inches and a length of 17.5 inches from sealing surface to connector end, it fits precisely in the designated mounting location on Jaguar XJ12 and XJS vehicles.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces emissions by providing accurate oxygen level data to the ECU
• Prevents engine performance issues related to faulty oxygen sensors
• Resolves check engine light triggers caused by sensor failure
• Improves fuel economy by ensuring correct sensor feedback

Installation Notes and Tips

Ensure the vehicle is cool before removing the old oxygen sensor 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’s threaded design requires proper torque to avoid leaks or damage. No mounting bracket is included, so use the existing mounting point on the exhaust system. Confirm the sensor orientation and connector alignment before securing.

Quality Assurance and Warranty

The Bosch Validated Oxygen Sensor 15074 is manufactured to meet OEM standards for fit, form, and function. Bosch provides quality assurance through rigorous testing to ensure reliable operation in Jaguar XJ12 and XJS models. This sensor is a standard replacement part designed to restore proper emission control system performance. Warranty details should be confirmed with the parts provider or Bosch directly.