Walker 350-34825 Oxygen Sensor - Downstream

Overview of Walker Oxygen Sensor 350-34825

The Walker 350-34825 oxygen sensor is designed specifically for select Subaru models, including the Ascent, Forester, Legacy, Outback, and WRX. 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 Subaru Ascent, Forester, Legacy, Outback, and WRX
• 6.49-inch wiring harness length with 20-gauge wire
• Four-wire configuration with radiused polygon female connector
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 9.84 inches for precise installation

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 exact vehicle specifications. The line emphasizes compatibility and durability, ensuring that each sensor meets the necessary standards for replacement parts in emission systems.

Product Description and Specifications

The Walker 350-34825 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its four-wire design includes a radiused polygon female connector, which ensures a secure and precise electrical connection. The sensor’s wiring harness length of 6.49 inches and overall length of 9.84 inches are engineered to fit the exhaust system layout of specific Subaru models. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and reliable sealing.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for Subaru Ascent, Forester, Legacy, Outback, and WRX
• Reduces engine misfires and rough idling caused by faulty oxygen sensors
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate exhaust gas readings
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 350-34825 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 for a secure fit. Avoid twisting or stretching the wiring harness during installation to maintain sensor integrity.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM specifications. While specific warranty details for part number 350-34825 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure long-term reliability.