Walker 350-64084 Oxygen Sensor - Upstream, Upstream Front or Upstream Rear

Overview of Walker 350-64084 Oxygen Sensor for Nissan Vehicles

The Walker 350-64084 oxygen sensor is designed specifically for Nissan Altima, Sentra, and Versa models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Nissan Altima, Sentra, and Versa
• Threaded mounting type with 18.0 mm thread diameter
• 13.31 inches wiring harness length with 4 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Overall length of 16.85 inches for proper installation

Detailed Product Features and Specifications

This oxygen sensor from Walker Products Aftermarket is engineered to meet the exact specifications required by Nissan vehicles such as the Altima, Sentra, and Versa. The heated sensor type allows the unit to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes a dedicated heater circuit, enhancing sensor durability and performance. The radiused polygon male connector ensures a reliable electrical connection, while the threaded mounting type with an 18.0 mm diameter provides a secure fit in the exhaust system. The wiring harness length of 13.31 inches and overall length of 16.85 inches are optimized for direct replacement without modification.

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 precise fit and reliable operation for Nissan vehicles. The product line emphasizes quality and compatibility, ensuring that parts like the 350-64084 oxygen sensor integrate seamlessly with the vehicle’s existing systems.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for Nissan Altima, Sentra, and Versa
• Reduces engine misfires and rough idling caused by faulty oxygen sensors
• Improves fuel economy by providing accurate exhaust gas readings
• Supports emission system compliance by monitoring oxygen levels
• Prevents check engine light triggers related to sensor failure

Installation Notes and Tips

When installing the Walker 350-64084 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness—this sensor features a radiused polygon male connector. Properly route the wiring harness to prevent contact with hot exhaust components. Torque the sensor to manufacturer specifications to ensure a secure fit and prevent exhaust leaks.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. The 350-64084 part number undergoes rigorous testing to ensure reliable operation in Nissan Altima, Sentra, and Versa models. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, supporting long-term vehicle emissions compliance.