Walker 250-25067 Oxygen Sensor - Upstream

Overview of Walker 250-25067 Oxygen Sensor for Mazda 3

The Walker 250-25067 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 connector, ensuring a secure and accurate fit.

• Heated oxygen sensor for improved response time
• Specific fit for Mazda 3 vehicles
• 29.06-inch wiring harness length for flexible installation
• Five-wire configuration with 20 gauge wire for reliable signal transmission
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon connectors with male and female ends for secure connection
• Overall length of 32.6 inches for optimal placement

Detailed Product Description

The Walker 250-25067 oxygen sensor is engineered to meet the exact specifications required by Mazda 3 models. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings, which are critical for maintaining efficient fuel combustion and reducing emissions. The sensor includes a 29.06-inch wiring harness with 20 gauge wires, arranged in a five-wire configuration to support sensor heating and signal output. Its radiused polygon connectors, available in both male and female genders, ensure a secure and precise electrical connection. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and reliable sensor positioning. With an overall length of 32.6 inches, this sensor fits well within the engine bay layout of compatible Mazda 3 vehicles.

Walker Products OE Brand Line

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality components designed to meet or exceed factory specifications. The Walker Products OE line ensures that each sensor, including the 250-25067, provides consistent performance and durability tailored to specific vehicle applications such as the Mazda 3.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient engine operation
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty oxygen sensors
• Addresses check engine light triggers caused by sensor failure
• Improves fuel economy by ensuring optimal combustion

Installation Notes and Tips

When installing the Walker 250-25067 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to avoid damaging the threaded mounting or connectors. Verify the wiring harness length and connector types match the vehicle’s factory setup. Proper torque on the threaded mount is essential to prevent leaks and ensure sensor longevity. It is recommended to inspect the sensor wiring and connectors for any damage before installation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The 250-25067 part number undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Mazda 3 vehicles.