Walker 250-24634 Oxygen Sensor - Downstream, Upstream or Upstream Front

Overview of Walker 250-24634 Oxygen Sensor for Mazda Vehicles

The Walker 250-24634 oxygen sensor is designed specifically for select Mazda models including the MPV, MX-3, and Protege. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

• Heated oxygen sensor with 4 wires for reliable operation
• Specific fit for Mazda MPV, MX-3, and Protege models
• 7.4-inch wiring harness length with 20 gauge wire
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon female connector for secure connection
• Overall length of 10.94 inches for proper installation

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts. Walker Products OE components are engineered to meet or exceed OEM specifications, ensuring compatibility and durability for emission control systems. The 250-24634 sensor maintains the standards expected from Walker’s OE line, providing a direct replacement for the factory sensor in compatible Mazda vehicles.

Technical Description and Features

The Walker 250-24634 oxygen sensor features a heated sensor element that allows for faster warm-up times and improved sensor response. It includes four wires, which support both the sensor signal and heater circuit, enhancing performance under various operating conditions. The wiring harness length of 7.4 inches and 20 gauge wire size provide a balance between flexibility and durability. The sensor’s radiused polygon female connector ensures a secure and precise fit, reducing the risk of connection issues. Its threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system of Mazda MPV, MX-3, and Protege models.

Common Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for improved engine efficiency
• Resolves check engine light issues related to oxygen sensor faults
• Helps reduce vehicle emissions by maintaining proper sensor function
• Prevents poor fuel economy caused by faulty oxygen sensors
• Eliminates rough idling or engine hesitation linked to sensor failure

Installation Notes and Tips

When installing the Walker 250-24634 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 shape and gender match the vehicle’s wiring harness before installation. Tighten the sensor to the manufacturer’s torque specifications to prevent exhaust leaks. It is recommended to inspect the wiring harness for any damage and replace if necessary to maintain sensor performance.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure reliability and durability. The 250-24634 sensor is backed by Walker’s quality assurance protocols, providing confidence in its fitment and function. Please refer to Walker’s official warranty documentation for specific coverage details.