Walker 350-34507 Oxygen Sensor - Downstream

Overview of Walker 350-34507 Oxygen Sensor for Mazda 3

The Walker 350-34507 oxygen sensor is designed specifically for Mazda 3 models, providing precise emission control and engine performance monitoring. This heated oxygen sensor ensures accurate readings for optimal fuel efficiency and reduced emissions.

• Heated sensor type for faster response times
• Specific fit for Mazda 3 vehicles
• 12.32-inch wiring harness length for proper installation
• 20 gauge wire measurement with 4 wires for reliable signal transmission
• Radiused polygon female connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 15.87 inches for correct placement

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM specifications. The line emphasizes compatibility and durability, ensuring that parts like the 350-34507 oxygen sensor maintain vehicle performance and emission standards for Mazda 3 owners.

Product Description and Attributes

The Walker 350-34507 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving the accuracy of oxygen level readings in the exhaust system. With a wiring harness length of 12.32 inches and 20 gauge wires, this sensor supports stable electrical connections. The radiused polygon female connector ensures a secure fit with the vehicle’s wiring harness, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the designated exhaust port. The overall length of 15.87 inches is designed to fit precisely within the Mazda 3’s emission control system.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty oxygen sensors
• Addresses check engine light triggers caused by sensor failure
• Supports smooth engine idling and acceleration response

Installation Notes and Tips

When installing the Walker 350-34507 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the wiring harness or connector. Verify the connector’s radiused polygon shape matches the vehicle’s harness for a secure fit. Thread the sensor carefully into the exhaust port to prevent cross-threading. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 350-34507 part number undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.