Walker 250-24362 Oxygen Sensor - Upstream Rear

Overview of Walker 250-24362 Oxygen Sensor for Mazda Millenia

The Walker Products OE 250-24362 oxygen sensor is designed specifically for the Mazda Millenia, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure and reliable installation.

• Heated oxygen sensor with 4 wires for accurate readings
• Specific fit for Mazda Millenia models
• Threaded mounting with 18.0 mm thread diameter
• 34.96 inches wiring harness length for flexible installation
• Radiused polygon female connector for secure connection
• Wire gauge measurement of 20 for durability and signal integrity
• Overall length of 38.5 inches to accommodate engine bay layout

Walker Products OE Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. The 250-24362 oxygen sensor is part of this line, providing a direct replacement solution engineered to maintain factory performance and emissions standards for the Mazda Millenia.

Technical Description and Features

This oxygen sensor is a heated type, which allows it to reach operating temperature quickly for faster and more accurate air-fuel mixture readings. It includes four wires, supporting both the sensor signal and heater circuit. The wiring harness length of 34.96 inches and overall length of 38.5 inches provide ample reach for installation in the engine compartment. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. The radiused polygon female connector is designed for a precise and reliable electrical connection, reducing the risk of disconnection or signal loss.

Common Applications and Problem Resolution

• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Addresses emission control system faults and check engine light triggers
• Improves fuel efficiency by providing accurate oxygen level data
• Prevents rough idling and stalling caused by faulty sensors
• Supports compliance with emission regulations for Mazda Millenia vehicles

Installation Notes and Tips

When installing the Walker 250-24362 oxygen sensor, ensure the engine and exhaust system are 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 before installation. Properly route the wiring harness to prevent contact with hot or moving parts. After installation, clear any diagnostic trouble codes and perform a test drive to confirm sensor operation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. This part number 250-24362 undergoes rigorous testing to comply with OEM specifications for the Mazda Millenia. Warranty coverage details should be confirmed with the product documentation or supplier.