Walker 350-34106 Oxygen Sensor - Downstream

Overview of Walker 350-34106 Oxygen Sensor

The Walker 350-34106 oxygen sensor is designed specifically for Mercury Quest and Nissan Villager models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Mercury Quest and Nissan Villager
• 22.76-inch wiring harness length for precise installation
• 20 gauge wire with 4-wire configuration
• Radiused polygon female connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 26.3 inches for proper fitment

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34106) is engineered to meet the exact specifications of Mercury Quest and Nissan Villager vehicles. Featuring a heated sensor element, it provides quicker warm-up times compared to unheated sensors, improving fuel efficiency and reducing emissions sooner after engine start. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring reliable operation and accurate data transmission to the vehicle’s engine control unit (ECU). The wiring harness length of 22.76 inches and the radiused polygon female connector are designed for a precise and secure fit, minimizing installation issues. The threaded mounting type with an 18.0 mm diameter allows for straightforward replacement without modifications.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct fit solution for specific vehicle models like the Mercury Quest and Nissan Villager. The product line emphasizes compatibility and durability, ensuring that each sensor integrates seamlessly with the vehicle’s existing systems.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve rough idling caused by faulty sensor readings
• Reduces increased emissions due to sensor failure
• Improves fuel economy by providing correct feedback to the ECU
• Eliminates check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 350-34106 oxygen sensor, ensure the engine is cool to avoid burns. Use an oxygen sensor socket or appropriate wrench to remove the old sensor carefully. Verify the connector type matches the vehicle harness before installation. Avoid twisting or damaging the wiring harness during installation. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for reliable performance. While specific warranty details for part number 350-34106 should be confirmed at the point of purchase, Walker typically offers limited warranties covering defects in materials and workmanship to ensure customer confidence.