Walker 350-34034 Oxygen Sensor - Downstream or Downstream Left

Overview of Walker Oxygen Sensor 350-34034

The Walker 350-34034 oxygen sensor is designed specifically for Mitsubishi vehicles, including the Lancer, Outlander, and Outlander Sport models. 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 Mitsubishi Lancer, Outlander, and Outlander Sport
• 33.98-inch wiring harness length for flexible 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 37.52 inches for proper fitment

Detailed Product Description

This Walker oxygen sensor (part number 350-34034) is engineered to meet the exact specifications required by Mitsubishi vehicles such as the Lancer, Outlander, and Outlander Sport. Featuring a heated sensor element, it provides quicker warm-up times and more accurate readings under various operating conditions. The 4-wire design includes a 20 gauge wire gauge measurement, ensuring reliable signal transmission and heater circuit performance. The sensor’s wiring harness length of 33.98 inches and overall length of 37.52 inches allow for proper routing and installation within the engine bay.

The connector is a radiused polygon female type, designed to securely mate with the vehicle’s wiring harness, reducing the risk of disconnection or corrosion. The threaded mounting type with an 18.0 mm thread diameter ensures a tight and secure fit into the exhaust system, maintaining sensor stability and accurate emissions monitoring.

Walker Products Aftermarket Line

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM standards. This oxygen sensor is part of their aftermarket line, providing a reliable replacement option for Mitsubishi vehicles. The product line focuses on delivering components that maintain vehicle emissions compliance and engine efficiency, supporting the longevity and performance of your vehicle’s emission system.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by ensuring proper sensor function
• Prevents rough idling and engine hesitation caused by faulty sensors
• Supports optimal catalytic converter performance

Installation Notes and Tips

When installing the Walker 350-34034 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the connector’s radiused polygon female shape matches the vehicle harness before installation. Properly route the 33.98-inch wiring harness to avoid contact with hot or moving parts. It is recommended to apply anti-seize compound on the threads to facilitate future removal.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details for part number 350-34034 may vary, Walker typically offers limited warranties covering defects in materials and workmanship. Always consult product documentation or the supplier for exact warranty terms.