Walker 350-34565 Oxygen Sensor - Downstream or Downstream Rear

Overview of Walker Oxygen Sensor 350-34565 for Mazda 6 and 626

The Walker 350-34565 oxygen sensor is designed specifically for Mazda 6 and Mazda 626 models, 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 for accurate emissions monitoring
• Specific fit for Mazda 6 and Mazda 626 vehicles
• Threaded mounting with 18.0 mm thread diameter
• 21.57-inch wiring harness length with 4 wires of 20 gauge
• Radiused polygon male connector for reliable connection
• Overall length of 25.12 inches for proper fitment

Detailed Product Features and Specifications

This Walker oxygen sensor (part number 350-34565) is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. The sensor includes a 21.57-inch wiring harness with four 20-gauge wires, allowing for stable electrical signals and compatibility with the vehicle’s engine control unit. The radiused polygon male connector ensures a secure and precise connection, reducing the risk of electrical faults. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system of Mazda 6 and Mazda 626 models.

Walker Products Aftermarket Line

The Walker Products Aftermarket line offers reliable emission control components designed to meet or exceed OEM specifications. This product line focuses on providing specific-fit sensors that maintain vehicle emissions compliance and engine performance. The 350-34565 oxygen sensor is part of this line, ensuring compatibility and quality for Mazda vehicles requiring precise emission monitoring.

Common Applications and Issues Addressed

• Replacement for faulty or worn oxygen sensors in Mazda 6 and 626
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level readings
• Prevents check engine light triggers caused by sensor failure
• Improves fuel economy by enabling proper engine tuning

Installation Notes and Tips

When installing the Walker 350-34565 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. Properly route the wiring harness to prevent contact with hot exhaust components or moving parts.

Quality Assurance and Warranty

Walker oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 350-34565 should be confirmed with the supplier, Walker Products Aftermarket components typically come with a limited warranty covering defects in materials and workmanship.