Walker 250-24475 Oxygen Sensor - Upstream or Upstream Rear

Overview of Walker 250-24475 Oxygen Sensor for Mazda Vehicles

The Walker 250-24475 oxygen sensor is designed specifically for select Mazda models, including the Mazda 6 and Millenia. 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-wire configuration
• Specific fit for Mazda 6 and Millenia models
• 21.97-inch wiring harness length for easy installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Wire gauge measurement of 20 for reliable signal transmission
• Overall length of 25.51 inches

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 designed to meet or exceed factory specifications. The Walker Products OE line ensures compatibility and durability, making it a reliable choice for maintaining the emissions system integrity in Mazda 6 and Millenia vehicles.

Technical Description and Features

The Walker 250-24475 oxygen sensor features a heated sensor type that allows for faster warm-up times and improved sensor responsiveness. Its 4-wire design includes two wires for the heating element and two for the sensor signal, ensuring accurate and stable readings. The sensor’s radiused polygon male connector provides a secure and precise fit, reducing the risk of connection issues. With a wiring harness length of 21.97 inches and an overall length of 25.51 inches, this sensor is engineered for straightforward installation in the specified Mazda models. The threaded mounting type with an 18.0 mm diameter allows for a secure and leak-free fitment.

Common Applications and Issues Addressed

• Helps resolve poor fuel economy caused by incorrect air-fuel mixture readings
• Addresses rough engine idle and hesitation due to faulty oxygen sensor signals
• Reduces emissions by ensuring accurate exhaust gas monitoring
• Prevents check engine light triggers related to oxygen sensor faults
• Supports proper catalytic converter function by maintaining correct sensor feedback

Installation Notes and Tips

When installing the Walker 250-24475 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 type matches the vehicle harness before installation. The 21.97-inch wiring harness length provides flexibility for routing, but avoid sharp bends or pinching. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part is engineered to match original equipment specifications for Mazda 6 and Millenia models. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in the product’s longevity and function.