Walker 350-64028 Oxygen Sensor - Upstream, Upstream Rear or Upstream Right

Overview of Walker 350-64028 Oxygen Sensor

The Walker 350-64028 oxygen sensor is designed specifically for select Subaru and Toyota models, including the Camry, Highlander, Legacy, Outback, Sienna, and Solara. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fitment and reliable performance.

• Heated oxygen sensor for accurate emissions control
• Specific fit for Subaru and Toyota vehicles
• 7.01-inch wiring harness length with 20 gauge wire
• Four-wire configuration with radiused polygon male connector
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 10.55 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-64028) is engineered to meet the exact specifications of certain Subaru and Toyota models. The sensor’s heated design allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The four-wire setup includes a 7.01-inch wiring harness made with 20 gauge wire, providing durability and consistent signal transmission. The radiused polygon male connector ensures a secure electrical connection, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the 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 direct replacement solution for vehicles requiring specific fitment and performance characteristics.

Common Applications and Issues Addressed

• Restores proper air-fuel mixture readings for Subaru Legacy and Outback models
• Helps resolve check engine light triggers related to oxygen sensor faults in Toyota Camry and Highlander
• Improves fuel economy and reduces emissions on Toyota Sienna and Solara
• Prevents rough idling and engine hesitation caused by faulty oxygen sensors
• Supports emission system compliance for vehicles equipped with this specific sensor type

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use appropriate tools for threaded sensor removal and installation to prevent damage
• Verify connector type matches the vehicle harness before installation
• Check wiring harness length and routing to avoid tension or interference
• Follow vehicle manufacturer torque specifications for sensor mounting

Quality Assurance and Warranty

The Walker 350-64028 oxygen sensor is manufactured to meet stringent quality standards, ensuring reliable operation within the vehicle’s emission control system. As part of the Walker Products Aftermarket line, this sensor undergoes rigorous testing to confirm fitment and function. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.