Denso 234-4702 Oxygen Sensor - Downstream

Overview of the Denso OE Style Oxygen Sensor 234-4702

The Denso OE Style Oxygen Sensor 234-4702 is designed specifically for Mercury Quest and Nissan Villager models. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and emissions control.

• Heated sensor type for faster warm-up and accurate readings
• Specific fit for Mercury Quest and Nissan Villager vehicles
• Threaded mounting type with 0.708-inch thread diameter
• Four-wire design with male connector for reliable electrical connection
• Wiring harness length of 51.18 inches for proper installation

Detailed Product Features and Specifications

The Denso 234-4702 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its specific fitment ensures compatibility with Mercury Quest and Nissan Villager models, providing a direct replacement without modification. The sensor includes a threaded mounting type with a 0.708-inch thread diameter, allowing secure installation in the exhaust system. The four-wire configuration and male connector ensure proper electrical connectivity and communication with the vehicle’s engine control unit. The wiring harness length of 51.18 inches offers sufficient reach for straightforward installation.

About the Denso OE Style Product Line

The OE Style product line by Denso is designed to meet original equipment specifications, providing reliable performance and fitment. This line focuses on delivering sensors that match the exact requirements of specific vehicle models, such as the Mercury Quest and Nissan Villager, ensuring seamless integration and consistent operation within the emission control system.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel ratio management
• Helps resolve engine performance issues related to faulty sensors
• Reduces emissions by ensuring correct fuel combustion
• Prevents check engine light triggers caused by sensor failure
• Improves fuel economy by maintaining optimal sensor function

Installation Notes and Tips

When installing the Denso 234-4702 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the wiring harness length of 51.18 inches is sufficient for your vehicle’s routing. Connect the male connector securely to the vehicle’s wiring harness. Follow torque specifications recommended by the vehicle manufacturer for proper sensor installation.

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 the oxygen sensor on Mercury Quest and Nissan Villager vehicles.