Walker 350-64015 Oxygen Sensor - Upstream

Overview of Walker 350-64015 Oxygen Sensor for Mazda RX-8

The Walker 350-64015 oxygen sensor is designed specifically for the Mazda RX-8, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Mazda RX-8 models
• 19.21-inch wiring harness length for flexible routing
• 20 gauge wire for reliable signal transmission
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 22.76 inches for proper fitment

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-64015) is engineered to meet the exact specifications required by the Mazda RX-8. The sensor type is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring accurate oxygen level readings. The wiring harness length of 19.21 inches provides ample length for installation without excess slack. The connector features a radiused polygon shape with a male gender, designed to fit securely with the vehicle’s wiring harness. The sensor mounts via a threaded connection with an 18.0 mm diameter, matching the factory mounting points on the RX-8.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses 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 Mazda RX-8 owners who require precise sensor performance and durability. Walker’s aftermarket sensors are designed to integrate seamlessly with vehicle systems, supporting emission compliance and engine management.

Common Applications and Issues Addressed

• Replacement for faulty or worn oxygen sensors in Mazda RX-8
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level data to the ECU
• Prevents check engine light triggers caused by sensor failure
• Improves fuel economy by enabling proper combustion control

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; torque to manufacturer specifications
• Inspect wiring harness for damage or corrosion during replacement

Quality Assurance and Warranty

Walker oxygen sensors undergo rigorous testing to ensure durability and accurate performance under various operating conditions. The 350-64015 sensor is manufactured to meet strict quality standards consistent with Walker Products Aftermarket guidelines. Warranty coverage details should be confirmed with the product documentation or distributor.