Walker 250-24872 Oxygen Sensor - Downstream

Overview of Walker 250-24872 Oxygen Sensor for Mazda 3

The Walker Products OE 250-24872 oxygen sensor is designed specifically for Mazda 3 models, 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 wires for accurate readings
• Specific fit for Mazda 3 ensuring compatibility and reliability
• 10.35-inch wiring harness length for flexible installation
• 20 gauge wire measurement for durability and signal integrity
• Thread diameter of 18.0 mm with threaded mounting type
• Radiused polygon male connector for secure electrical connection
• Overall length of 13.9 inches for proper fitment

Detailed Product Description

The Walker Products OE 250-24872 oxygen sensor is engineered to meet the exact specifications of Mazda 3 vehicles. As a heated sensor, it quickly reaches operating temperature to provide accurate oxygen level readings, which are critical for optimal fuel mixture and emissions control. The sensor includes a 10.35-inch wiring harness with 20 gauge wires, ensuring reliable electrical conductivity and resistance to wear. Its radiused polygon male connector and threaded mounting type with an 18.0 mm thread diameter allow for a secure and precise fit, minimizing installation issues and ensuring consistent sensor performance.

Walker Products OE Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that match or exceed factory specifications. This oxygen sensor from the Walker Products OE line is designed to provide the same fit, form, and function as the original sensor installed on Mazda 3 vehicles, supporting proper engine management and emissions compliance.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved engine efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter operation
• Prevents rough idling and poor fuel economy caused by faulty sensors
• Supports smooth engine performance and drivability

Installation Notes and Tips

When installing the Walker 250-24872 oxygen sensor on a Mazda 3, ensure the engine is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the connector matches the radiused polygon male design for a secure connection. Thread the sensor carefully into the exhaust manifold or pipe to the specified torque to prevent leaks or sensor damage.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. This part number 250-24872 undergoes rigorous testing to comply with OEM specifications. Warranty coverage details should be confirmed with the product documentation or supplier.