Walker 250-54028 Oxygen Sensor - Upstream

Overview of Walker 250-54028 Oxygen Sensor for Volvo S60 and V70

The Walker Products OE 250-54028 oxygen sensor is designed specifically for Volvo S60 and V70 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 oxygen sensor with 4 wires for reliable operation
• Specific fit for Volvo S60 and V70 models
• Threaded mounting type with 18.0 mm thread diameter
• 16.26 inches wiring harness length with radiused polygon male connector
• Wire gauge measurement of 20 for durability and signal integrity
• Overall length of 19.8 inches for proper installation depth

Detailed Features and Specifications

This Walker oxygen sensor (part number 250-54028) features a heated sensor type that allows for faster warm-up times and improved emissions control under various operating conditions. The sensor includes a 4-wire configuration, which supports both the sensor signal and heater circuit. The wiring harness length of 16.26 inches provides sufficient reach for installation in the engine bay, while the 20-gauge wire ensures durability and consistent electrical performance.

The connector is a radiused polygon shape with a male gender, designed to match the original equipment specifications for Volvo S60 and V70 vehicles. The sensor mounts via a threaded connection with an 18.0 mm diameter, ensuring a secure and leak-free fit. The overall length of 19.8 inches accommodates proper sensor placement within the exhaust system.

Walker Products OE Line Information

The Walker Products OE line focuses on delivering direct-fit replacement parts that meet or exceed original equipment specifications. This oxygen sensor is part of that line, ensuring compatibility and reliable performance for Volvo S60 and V70 models. The OE line emphasizes quality construction and precise fitment to maintain vehicle emissions compliance and engine efficiency.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Volvo S60 and V70
• Resolves engine performance issues related to incorrect air-fuel mixture readings
• Helps correct rough idling and poor fuel economy caused by sensor malfunction
• Assists in passing emissions inspections by maintaining proper exhaust gas monitoring
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 250-54028 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 matches the radiused polygon male design for a secure electrical connection. Follow torque specifications recommended by Volvo to prevent sensor damage or exhaust leaks.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 250-54028 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability.