Walker 250-25068 Oxygen Sensor - Upstream

Overview of Walker 250-25068 Oxygen Sensor for Mazda CX-7

The Walker Products OE 250-25068 oxygen sensor is designed specifically for the Mazda CX-7, 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 for your vehicle.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Mazda CX-7 models
• Threaded mounting with 18.0 mm thread diameter
• 17.24 inches wiring harness length with 5 wires
• Radiused polygon connector with male and female ends
• 20 gauge wire for reliable electrical performance
• Overall length of 20.79 inches for proper installation

Walker Products OE Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-25068 oxygen sensor is part of this line, ensuring compatibility and durability tailored to the Mazda CX-7’s emission control system. This product line emphasizes precise fitment and reliable sensor performance to maintain optimal engine efficiency and emissions compliance.

Technical Description and Features

This oxygen sensor is a heated type, which allows it to reach operating temperature quickly for faster and more accurate readings. It includes a 5-wire configuration with 20 gauge wiring, providing stable electrical signals to the engine control unit. The sensor’s wiring harness measures 17.24 inches, while the overall length is 20.79 inches, designed to fit the Mazda CX-7’s specific sensor location. The threaded mounting type with an 18.0 mm diameter ensures a secure installation, and the radiused polygon connector with both male and female ends facilitates proper electrical connection.

Common Applications and Issues Addressed

• Maintains accurate air-fuel mixture readings for the Mazda CX-7
• Helps reduce harmful emissions by ensuring proper sensor function
• Prevents engine performance issues related to faulty oxygen sensors
• Resolves check engine light triggers caused by sensor failure
• Supports fuel efficiency by providing reliable sensor data

Installation Notes and Tips

When installing the Walker 250-25068 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the wiring harness length and connector type match the Mazda CX-7’s factory setup. Properly secure the sensor to avoid exhaust leaks and ensure accurate readings. It is recommended to check for any diagnostic trouble codes before and after installation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number 250-25068 undergoes rigorous testing to comply with emission control requirements. While specific warranty details are not provided here, Walker typically offers coverage consistent with OEM replacement parts, supporting long-term vehicle operation.