Walker 350-64071 Oxygen Sensor - Upstream Left, Upstream Rear or Upstream Right

Overview of Walker Oxygen Sensor 350-64071

The Walker 350-64071 oxygen sensor is designed specifically for select Subaru and Toyota models, including the Camry, Legacy, Outback, and Tribeca. 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 Subaru and Toyota vehicles
• Threaded mounting type with 18.0 mm thread diameter
• 5.43-inch wiring harness length with 4 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Overall length of 8.98 inches for proper installation

Detailed Product Description

This oxygen sensor from Walker Products Aftermarket is engineered to meet the exact specifications of your vehicle’s emission system. The heated sensor element allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design supports both the sensor signal and heater circuit, ensuring reliable operation. The radiused polygon male connector provides a secure and precise fit, minimizing the risk of connection issues. With a threaded mounting type and an 18.0 mm thread diameter, installation aligns with factory standards for Subaru and Toyota models such as the Camry, Legacy, Outback, and Tribeca.

The Walker Products Aftermarket line focuses on delivering replacement parts that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct fit solution that maintains the integrity of your vehicle’s emission control system without requiring modifications.

Compatible Vehicles and Applications

• Subaru Legacy
• Subaru Outback
• Subaru Tribeca
• Toyota Camry

This oxygen sensor is designed for use in emission control systems to monitor exhaust gases and help regulate the air-fuel mixture for efficient combustion.

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine performance problems such as rough idling or hesitation
• Heater circuit failure causing delayed sensor response

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and install the new one with the specified 18.0 mm thread diameter. Verify the wiring harness length of 5.43 inches is sufficient for your vehicle’s routing. Confirm the radiused polygon male connector matches the factory harness to avoid connection issues. Follow torque specifications recommended by the vehicle manufacturer to prevent damage.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-64071 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship. This ensures reliable performance and durability for your Subaru or Toyota vehicle’s emission control system.