Walker 350-34052 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker 350-34052 Oxygen Sensor

The Walker 350-34052 oxygen sensor is designed specifically for select Subaru and Toyota models, including the Forester, Outback, WRX, and Yaris. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster response times
• Specific fit for Subaru and Toyota vehicles
• Threaded mounting type with 18.0 mm thread diameter
• 13.31 inches wiring harness length with 4 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Overall length of 16.85 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34052) is engineered to meet the exact specifications of various Subaru and Toyota models such as the B9 Tribeca, Crosstrek, Impreza, Legacy, Rush, Tribeca, WRX, XV, and Yaris series. The heated sensor design allows it to reach operating temperature quickly, improving emissions control and fuel efficiency. Featuring a 4-wire configuration with 20 gauge wiring, it provides reliable signal transmission. The radiused polygon male connector ensures a secure and precise fit, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation. The wiring harness length of 13.31 inches and overall length of 16.85 inches are optimized for compatibility with the specified vehicles.

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 direct replacement solution designed to maintain factory performance and emissions compliance for Subaru and Toyota vehicles. The product line emphasizes fitment accuracy and durability, supporting proper engine management and environmental standards.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel economy
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce vehicle emissions to meet regulatory requirements
• Prevents rough idling and engine hesitation caused by faulty sensors
• Supports optimal catalytic converter function by providing correct air-fuel data

Installation Notes and Tips

Installation of the Walker 350-34052 oxygen sensor requires removal of the old sensor from the threaded mounting point. Ensure the engine is cool before starting to avoid burns. Use appropriate tools to avoid damaging the sensor or connector. Verify the radiused polygon male connector aligns correctly with the vehicle harness. Check wiring harness length and routing to prevent strain or interference. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. This part number 350-34052 undergoes rigorous testing to ensure durability and reliable performance in emission control systems. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Subaru and Toyota vehicles.