Denso 234-4951 Oxygen Sensor - Downstream

Overview of the Denso OE Style Oxygen Sensor 234-4951

The Denso OE Style Oxygen Sensor 234-4951 is designed specifically for select Jaguar models, including the S-Type, Super V8, Vanden Plas, XF, XFR, XJ8, XJR, XK, XK8, and XKR. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

• Heated sensor type for faster activation and improved efficiency
• Specific fit for Jaguar models listed, ensuring proper compatibility
• Threaded mounting type with a 0.708-inch thread diameter for secure installation
• 18.90-inch wiring harness length with 4 wires and a female connector for direct replacement
• Part number 234-4951 for exact identification and fitment

Details on the Denso OE Style Product Line

The OE Style line by Denso focuses on delivering parts that meet original equipment specifications. This oxygen sensor is engineered to match the fit, form, and function of the factory-installed sensor, providing reliable performance and durability. The OE Style designation indicates that this sensor is designed to integrate seamlessly with the vehicle’s existing systems, maintaining emission standards and engine efficiency.

Technical Description and Attributes

This oxygen sensor features a heated sensor element, which allows it to reach operating temperature quickly, reducing emissions during cold starts. The sensor includes a threaded mounting type with a 0.708-inch diameter thread, ensuring a secure and leak-free fit. The wiring harness length of 18.90 inches and the 4-wire configuration with a female connector are designed for direct replacement without modification. This sensor is a specific fit for Jaguar vehicles, including the S-Type, Super V8, Vanden Plas, XF, XFR, XJ8, XJR, XK, XK8, and XKR models, making it suitable for those seeking an exact OEM match.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve rough idling and poor fuel economy caused by faulty sensors
• Reduces emissions by ensuring correct exhaust gas readings
• Prevents check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and drivability

Installation Notes and Tips

When installing the Denso OE Style Oxygen Sensor 234-4951, ensure the engine is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the thread size matches the mounting location to prevent cross-threading. Connect the 4-wire female connector securely to the vehicle’s wiring harness. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Denso manufactures this oxygen sensor to meet strict quality standards, ensuring durability and reliable performance. The OE Style line is designed to meet or exceed OEM specifications. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship. Refer to the product documentation or supplier for exact warranty terms.