Walker 350-35137 Oxygen Sensor - Upstream

Overview of Walker 350-35137 Oxygen Sensor for Subaru

The Walker 350-35137 oxygen sensor is designed specifically for Subaru Forester and WRX models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

• Heated oxygen sensor type for faster response times
• Specific fit for Subaru Forester and WRX models
• 9.05-inch wiring harness length with 5 wires
• 20 gauge wire measurement for durability
• Radiused polygon female connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 11.81 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-35137) is engineered to meet the exact specifications of Subaru Forester and WRX vehicles. Featuring a heated sensor element, it provides quicker warm-up times compared to unheated sensors, improving emissions control during cold starts. The sensor includes a 9.05-inch wiring harness with five 20-gauge wires, ensuring reliable electrical connections and signal transmission. The radiused polygon female connector is designed for a secure and precise fit, reducing the risk of connection issues. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and compatibility with the vehicle's exhaust system. The overall length of 11.81 inches accommodates proper placement within the exhaust stream for accurate oxygen level readings.

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 tailored for specific vehicle applications like the Subaru Forester and WRX. The product line emphasizes durability, precise fitment, and reliable performance to support emission compliance and engine efficiency.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces engine misfires caused by faulty oxygen sensors
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate sensor data
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 350-35137 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the radiused polygon female connector is fully seated to prevent electrical issues. Thread the sensor carefully into the exhaust port to avoid cross-threading. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for fit, form, and function. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. This ensures that the 350-35137 oxygen sensor provides reliable performance for Subaru Forester and WRX vehicles when installed correctly.