Delphi ES20359 Oxygen Sensor - Rear

Delphi ES20359 Heated Oxygen Sensor Overview

The Delphi ES20359 is a heated oxygen sensor designed for precise emission control in select Jaguar models. Engineered with a 4-wire configuration and a square connector, this sensor ensures accurate readings and reliable performance in the rear exhaust position.

• Heated oxygen sensor with 4 wires for efficient operation
• Square connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with Jaguar exhaust systems
• Overall length of 550 mm for optimal installation
• Includes oxygen sensor and instruction sheet for installation guidance
• Designed for rear position installation on compatible vehicles

Detailed Product Description

The Delphi ES20359 oxygen sensor is a critical component in the emission control system, specifically engineered for Jaguar vehicles such as the S-Type, Super V8, Vanden Plas, X-Type, XJ8, XJR, XK8, and XKR. Its heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions. The 4-wire design supports both the sensor signal and the heating element, ensuring consistent sensor operation under various driving conditions. The square connector shape and 18 x 1.5 mm thread size provide a secure and precise fit, minimizing installation issues. With an overall length of 550 mm, this sensor is designed to reach the rear exhaust position accurately, maintaining optimal sensor placement for reliable data collection.

Compatible Jaguar Models and Applications

This oxygen sensor is compatible with the following Jaguar models:

• Jaguar S-Type
• Jaguar Super V8
• Jaguar Vanden Plas
• Jaguar X-Type
• Jaguar XJ8
• Jaguar XJR
• Jaguar XK8
• Jaguar XKR

Common Issues Addressed by the Delphi ES20359 Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor engine performance
• Increased emissions due to faulty sensor signals
• Check engine light triggered by oxygen sensor faults
• Reduced fuel efficiency from delayed sensor warm-up
• Engine hesitation or rough idling related to sensor malfunction

Installation Notes and Tips

• Ensure the vehicle is cooled down before sensor removal to avoid burns
• Use the correct 18 x 1.5 mm thread size tools to prevent damage
• Verify the square connector aligns properly with the vehicle harness
• Apply anti-seize compound on threads if recommended by the manufacturer
• Follow the included instruction sheet for step-by-step installation guidance

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM specifications, ensuring reliable performance and durability. The ES20359 part number undergoes rigorous testing to comply with emission standards and vehicle requirements. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Refer to the product documentation or supplier for exact warranty terms.