Walker 350-64044 Oxygen Sensor - Upstream or Upstream Left

Overview of Walker 350-64044 Oxygen Sensor

The Walker 350-64044 oxygen sensor is designed specifically for select Subaru and Toyota models, including the Legacy, Outback, and Sienna. 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 Legacy, Outback, and Toyota Sienna
• 6.42-inch wiring harness length with 20 gauge wire
• Four-wire configuration with radiused polygon male connector
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 9.96 inches for proper installation

Detailed Product Features and Specifications

This oxygen sensor from Walker Products Aftermarket is engineered with a heated sensor element to reduce warm-up time, improving emissions control efficiency. The 6.42-inch wiring harness length and 20 gauge wire ensure reliable electrical connectivity. Featuring a four-wire design, the sensor includes a radiused polygon male connector that matches the original equipment specifications for a secure fit. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system. The overall length of 9.96 inches is optimized for compatibility with the exhaust layout of the specified vehicles.

Walker Products Aftermarket Line Information

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 and reliable performance for Subaru and Toyota vehicles. The product line emphasizes durability and precise sensor operation to maintain proper engine management and emissions compliance.

Compatible Vehicles and Common Applications

• Subaru Legacy oxygen sensor replacement
• Subaru Outback emissions sensor upgrade
• Toyota Sienna oxygen sensor repair
• Addressing engine performance issues related to oxygen sensor failure
• Maintaining emissions system functionality in specified models

Installation Notes and Tips

When installing the Walker 350-64044 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 shape and gender match the vehicle harness before installation. Proper torque specifications should be followed to secure the sensor without over-tightening. It is recommended to inspect the wiring harness for any damage during replacement.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 350-64044 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure reliable operation throughout the sensor’s service life.