Walker 250-24376 Oxygen Sensor - Downstream or Downstream Rear

Overview of Walker Products OE Oxygen Sensor 250-24376

The Walker Products OE Oxygen Sensor 250-24376 is designed specifically for Mazda 6 and Mazda 626 models. 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 sensor type for faster response times
• Specific fit for Mazda 6 and Mazda 626
• 21.57-inch wiring harness length for convenient installation
• 20 gauge wire measurement with 4 wires for reliable signal transmission
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 25.12 inches for proper fitment

Detailed Product Description

This oxygen sensor from Walker Products OE is engineered to meet the exact specifications of Mazda 6 and Mazda 626 vehicles. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings, which are critical for maintaining efficient combustion and reducing harmful emissions. The sensor includes a 21.57-inch wiring harness with 20 gauge wires and a radiused polygon male connector, ensuring a secure and reliable electrical connection. Its threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the designated exhaust port. The overall length of 25.12 inches is designed to fit precisely within the vehicle’s emission control system.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that match or exceed factory specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with Mazda’s original components. Using a Walker Products OE sensor helps maintain the integrity of the vehicle’s emission system and supports compliance with environmental regulations.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for Mazda 6 and Mazda 626
• Helps resolve engine performance issues related to faulty oxygen sensors
• Reduces emissions by ensuring proper sensor operation
• Prevents check engine light triggers caused by sensor failure
• Improves fuel efficiency by providing correct data to the engine control unit

Installation Notes and Tips

Before installation, verify compatibility with your specific Mazda 6 or Mazda 626 model year. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. The 21.57-inch wiring harness length provides flexibility during installation, but ensure the connector is securely attached to prevent signal loss. Thread the sensor carefully into the exhaust port using the 18.0 mm thread diameter to avoid cross-threading. It is recommended to apply anti-seize compound on the threads if not pre-applied.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain your Mazda 6 or Mazda 626’s emission system integrity and supports compliance with environmental standards.