Walker 350-34549 Oxygen Sensor - Upstream

Overview of Walker 350-34549 Oxygen Sensor

The Walker 350-34549 oxygen sensor is designed specifically for select Dodge, Mitsubishi, and Plymouth models, including the Colt, Eclipse, Galant, Laser, and Mirage. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster response times
• Specific fit for Dodge, Mitsubishi, and Plymouth vehicles
• 27.28-inch wiring harness length for proper installation
• 20-gauge wire with 4-wire configuration
• Radiused polygon male connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 30.83 inches for compatibility

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to specific vehicle applications. The line emphasizes precise fitment and quality construction, ensuring that parts like the 350-34549 oxygen sensor meet the demands of modern emission systems in Dodge, Mitsubishi, and Plymouth vehicles.

Technical Description and Features

The Walker 350-34549 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, enhancing durability and signal accuracy. The radiused polygon male connector ensures a secure and corrosion-resistant connection, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system. The wiring harness length of 27.28 inches and overall length of 30.83 inches provide sufficient reach for proper placement in the exhaust manifold or pipe.

Common Applications and Problem Resolution

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve rough idling and engine hesitation issues
• Reduces increased emissions and failed emissions tests
• Prevents poor fuel economy caused by faulty sensor readings
• Eliminates check engine light codes related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 350-34549 oxygen sensor, ensure the vehicle is compatible with the specific fitment for Dodge, Mitsubishi, and Plymouth models such as the Colt, Eclipse, Galant, Laser, and Mirage. Use proper tools to avoid damaging the threaded mounting or connector. Verify the connector orientation matches the radiused polygon male design for a secure fit. It is recommended to replace the sensor when the engine and exhaust system are cool to prevent injury and sensor damage.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and ensure durability under high-temperature conditions. The 350-34549 part number is manufactured to precise specifications for specific vehicle applications. While warranty details vary by distributor, Walker typically offers coverage against defects in materials and workmanship, supporting long-term reliability in emission control systems.