Walker 250-25009 Oxygen Sensor - Upstream

Overview of Walker Products OE Oxygen Sensor 250-25009

The Walker Products OE Oxygen Sensor 250-25009 is designed specifically for Volvo S80 models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Volvo S80 vehicles
• 28.27-inch wiring harness length with 5 wires
• 20 gauge wire measurement for durability
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Overall length of 31.81 inches for proper fitment

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-25009) is engineered to meet the exact specifications required by Volvo S80 models. The sensor is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. It features a 28.27-inch wiring harness with five 20-gauge wires, providing robust electrical connectivity. The radiused polygon male connector ensures a secure and precise fit, minimizing the risk of disconnection or signal loss. The sensor mounts via a threaded design with an 18.0 mm diameter, matching factory installation points for straightforward replacement.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM standards. This oxygen sensor is part of that line, offering reliable performance and compatibility for specific vehicle applications like the Volvo S80. Choosing a Walker Products OE sensor helps maintain factory-level emission control system integrity.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Volvo S80
• Resolves engine performance issues related to incorrect air-fuel mixture
• Helps reduce emissions and pass vehicle inspections
• Prevents check engine light triggers caused by sensor malfunction
• Improves fuel economy by providing accurate oxygen level readings

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Use the correct tools to remove the old sensor and install the new threaded sensor securely without over-tightening. Verify the connector matches the radiused polygon male type for proper connection. After installation, clear any diagnostic trouble codes and perform a test drive to confirm sensor operation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details for part number 250-25009 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term use.