Walker 350-64005 Oxygen Sensor - Upstream

Overview of Walker 350-64005 Oxygen Sensor

The Walker 350-64005 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 to the vehicle's engine management system.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Saab 9-2X and Subaru Forester, Impreza, Legacy, Outback
• Threaded mounting type with 18.0 mm thread diameter
• 20.2-inch wiring harness length with radiused polygon female connector
• Wire gauge measurement of 20 for durability and signal integrity
• Overall length of 23.74 inches for proper installation depth

Detailed Product Description

This Walker oxygen sensor (part number 350-64005) features a heated sensor element that allows for faster warm-up times and improved emissions control under various operating conditions. The 4-wire configuration includes two wires for the heater circuit and two for the sensor signal, ensuring consistent and accurate readings. The sensor is designed with a radiused polygon female connector, providing a secure and precise electrical connection. Its threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system of compatible Saab and Subaru vehicles.

Walker Products Aftermarket offers this sensor as part of their emission control sensor line, focusing on delivering components that meet or exceed OEM specifications. This product line emphasizes fitment accuracy and durability, making it suitable for maintaining factory-level emissions performance in your Saab 9-2X or Subaru models.

Applications and Common Issues Addressed

• Restores proper air-fuel ratio readings for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by ensuring accurate sensor feedback
• Prevents rough idling and engine hesitation caused by faulty sensors
• Supports optimal catalytic converter function by providing correct data

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for removal and installation
• Verify connector type matches the vehicle harness before installation
• Apply anti-seize compound on threads if not pre-coated to ease future removal
• Check wiring harness length (20.2 inches) for proper routing without tension

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using the Walker 350-64005 oxygen sensor helps maintain compliance with emissions regulations and supports the longevity of your Saab or Subaru vehicle's engine management system.