Walker 350-64004 Oxygen Sensor - Upstream

Overview of Walker 350-64004 Oxygen Sensor for Subaru Baja

The Walker 350-64004 oxygen sensor is designed specifically for the Subaru Baja, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor with 4 wires for accurate readings
• Specific fit for Subaru Baja models
• 35.35 inches wiring harness length for flexible installation
• Thread diameter of 18.0 mm with threaded mounting
• Radiused polygon male connector for reliable connection
• Wire gauge measurement of 20 for durability and signal integrity
• Overall length of 38.9 inches

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-64004) is engineered to meet the exact specifications required by Subaru Baja vehicles. The sensor type is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design supports both the sensor signal and heater circuit, ensuring consistent performance. The wiring harness length of 35.35 inches provides ample reach for installation in the engine bay, while the 20-gauge wire ensures durability and reliable signal transmission. The radiused polygon male connector and threaded mounting type with an 18.0 mm thread diameter facilitate a secure and precise fit, minimizing the risk of leaks or connection issues.

Walker Products Aftermarket Brand Line

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 solution for Subaru Baja owners who require reliable sensor performance without modification. The product line emphasizes compatibility and quality, supporting emission system integrity and vehicle compliance.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve rough idling caused by faulty sensor readings
• Reduces engine hesitation and poor acceleration linked to sensor failure
• Assists in passing emissions tests by maintaining correct exhaust gas monitoring
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for threaded removal and installation
• Verify connector type matches the vehicle harness before installation
• Do not over-tighten the sensor; follow manufacturer torque specifications
• Inspect wiring harness for damage and secure connections to prevent signal loss

Quality Assurance and Warranty

The Walker 350-64004 oxygen sensor is manufactured to meet strict quality standards, ensuring reliable operation in Subaru Baja vehicles. As part of the Walker Products Aftermarket line, it undergoes rigorous testing for durability and performance. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.