Denso 234-4720 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Jaguar Vanden Plas and XJ Models

The Denso OE Style Oxygen Sensor 234-4720 is designed specifically for select Jaguar vehicles, including the Vanden Plas, XJ8, XJR, and XK8 models. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster response times
• Specific fit for Jaguar Vanden Plas, XJ8, XJR, and XK8
• 15.75-inch wiring harness length for proper installation
• Four-wire configuration with male connector
• Threaded mounting with 0.708-inch thread diameter

About the Denso OE Style Product Line

The OE Style line from Denso offers direct replacement parts engineered to meet original equipment specifications. The 234-4720 oxygen sensor maintains factory-level fit, form, and function, ensuring compatibility and reliable performance for your Jaguar. This product line focuses on delivering components that align closely with the original sensor design, making it a suitable choice for maintaining vehicle emissions systems.

Detailed Product Description

This Denso oxygen sensor features a heated element to reduce warm-up time, allowing the sensor to provide accurate readings shortly after engine start. The 15.75-inch wiring harness length accommodates the specific routing requirements of Jaguar Vanden Plas, XJ8, XJR, and XK8 models. With a four-wire design and male connector, it integrates seamlessly with the vehicle’s existing wiring harness. The threaded mounting type with a 0.708-inch diameter ensures secure installation in the exhaust system.

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture data
• Increased emissions failing regulatory standards
• Engine performance problems such as rough idling or hesitation
• Failed emissions tests related to sensor malfunction

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for threaded sensor removal and installation
• Verify connector gender and wire count match the vehicle harness
• Apply anti-seize compound on threads if recommended by manufacturer
• Check for proper sensor wiring harness routing to prevent damage

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. This ensures dependable performance and peace of mind when replacing your Jaguar’s oxygen sensor with part number 234-4720.