Walker 350-34563 Oxygen Sensor - Downstream

Overview of Walker Oxygen Sensor 350-34563 for Subaru Vehicles

The Walker 350-34563 oxygen sensor is designed specifically for select Subaru models including the Baja, Legacy, and Outback. This heated oxygen sensor provides accurate emissions control data to help maintain engine performance and reduce harmful exhaust emissions.

• Heated oxygen sensor with 4-wire design for precise readings
• Specific fit for Subaru Baja, Legacy, and Outback models
• Threaded mounting type with 18.0 mm thread diameter
• 15.08-inch wiring harness length with radiused polygon male connector
• Wire gauge measurement of 20 for reliable electrical conductivity
• Overall length of 18.62 inches for proper installation depth

Detailed Features and Specifications

This Walker oxygen sensor (part number 350-34563) features a heated sensor type that allows for quicker activation and more stable readings under various operating conditions. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The wiring harness length of 15.08 inches and the radiused polygon male connector are designed to match the factory specifications for Subaru Baja, Legacy, and Outback models, providing a direct fit without modification. The threaded mounting type with an 18.0 mm diameter ensures secure installation in the exhaust system.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a reliable replacement option for Subaru vehicles requiring precise sensor performance to maintain emissions compliance and engine efficiency.

Common Applications and Problem Resolution

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve check engine light issues related to oxygen sensor faults
• Improves fuel economy by providing correct emissions data
• Reduces exhaust emissions by ensuring proper catalytic converter function
• Prevents engine performance problems caused by faulty sensor readings

Installation Notes and Tips

When installing the Walker 350-34563 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Verify the connector matches the radiused polygon male shape for a secure electrical connection. Proper torque specifications should be followed to avoid sensor damage.

Quality Assurance and Warranty

Walker oxygen sensors undergo rigorous testing to meet emission control standards and provide reliable operation. The 350-34563 part number is backed by Walker Products Aftermarket quality assurance protocols. Please refer to Walker's warranty terms for coverage details.