Walker 350-34346 Oxygen Sensor - Downstream, Upstream or Upstream Rear

Overview of Walker 350-34346 Oxygen Sensor

The Walker 350-34346 oxygen sensor is designed specifically for select Dodge and Mitsubishi vehicles, including models like the Diamante, Eclipse, Galant, Grandis, Montero Sport, and Stealth. This heated oxygen sensor ensures accurate emissions control and optimal engine performance through precise air-fuel mixture monitoring.

• Heated sensor type for faster response times
• Specific fit for Dodge and Mitsubishi models
• 36.34-inch wiring harness length for flexible installation
• 20 gauge wire measurement with 4 wires for reliable signal transmission
• Radiused polygon male connector for secure connection
• 18.0 mm threaded mounting for direct replacement
• Overall length of 39.88 inches for proper fitment

Detailed Product Features and Specifications

This oxygen sensor from Walker Products Aftermarket is engineered with a heated sensor element to reduce warm-up time, improving emissions control efficiency shortly after engine start. The 36.34-inch wiring harness length provides ample reach for installation in the engine bay, while the 20 gauge wire size and four-wire configuration support accurate sensor signal and heater circuit operation. The radiused polygon male connector ensures a secure and precise fit with the vehicle’s wiring harness, minimizing the risk of connection issues. The sensor mounts via an 18.0 mm threaded fitting, matching OEM specifications for a direct and reliable replacement. With an overall length of 39.88 inches, this sensor is designed to fit the exhaust system layout of compatible Dodge and Mitsubishi vehicles.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line focuses on providing reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a balance of quality and fitment precision for specific vehicle applications. The product line emphasizes compatibility and durability, supporting emission system performance and regulatory compliance.

Applications and Common Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Helps resolve engine misfires caused by faulty oxygen sensors
• Reduces emissions by ensuring proper catalytic converter function
• Eliminates check engine light triggers related to sensor failure
• Supports smooth engine idling and acceleration response

Installation Notes and Tips

When installing the Walker 350-34346 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Verify the radiused polygon male connector aligns correctly with the vehicle’s harness before securing. Thread the sensor carefully into the exhaust port to prevent cross-threading. 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, ensuring reliable performance and durability. While specific warranty details for part number 350-34346 should be confirmed with the supplier, Walker typically offers limited warranties covering defects in materials and workmanship. This oxygen sensor is designed to maintain emission control system integrity and support compliance with environmental regulations.