Walker 350-64037 Oxygen Sensor - Upstream

Overview of Walker 350-64037 Oxygen Sensor

The Walker 350-64037 oxygen sensor is designed specifically for select Saab and Subaru models, including the 9-2X, Forester, Impreza, Legacy, and Outback. 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 Saab 9-2X and Subaru Forester, Impreza, Legacy, Outback
• 16.26-inch wiring harness length with 4 wires of 20 gauge
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon female connector for secure connection
• Overall length of 19.8 inches for proper installation

Detailed Product Description

This oxygen sensor from Walker Products Aftermarket is engineered to meet the exact specifications required by Saab and Subaru vehicles listed in the fitment. The heated sensor design allows it to reach operating temperature quickly, improving emissions feedback and fuel efficiency. The 16.26-inch wiring harness and 4-wire configuration with 20 gauge wire ensure reliable electrical connectivity and signal transmission. The radiused polygon female connector provides a secure and precise fit, reducing the risk of disconnection or signal loss. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and compatibility with the vehicle’s exhaust system.

Walker Products Aftermarket is a dedicated product line focused on delivering reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a balance of durability and performance tailored for specific vehicle applications.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty sensors
• Addresses check engine light triggers related to oxygen sensor faults
• Improves fuel economy by ensuring correct sensor feedback

Installation Notes and Tips

• Ensure compatibility with Saab 9-2X or Subaru Forester, Impreza, Legacy, or Outback before installation
• Use proper tools to avoid damaging the 18.0 mm threaded mounting
• Check connector orientation; the radiused polygon female connector must align correctly
• Inspect wiring harness length (16.26 inches) to confirm fit within the engine bay
• Allow the sensor to reach operating temperature for accurate readings after installation

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The 350-64037 part number undergoes rigorous testing to comply with emission control requirements. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship under normal use.