Walker 250-241160 Oxygen Sensor - Downstream

Overview of Walker 250-241160 Oxygen Sensor for Subaru Vehicles

The Walker 250-241160 oxygen sensor is designed specifically for select Subaru models including the Ascent, Forester, Legacy, Outback, and WRX. This heated oxygen sensor provides accurate emissions control data to help maintain engine performance and reduce harmful exhaust emissions.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Subaru Ascent, Forester, Legacy, Outback, and WRX
• 6.49-inch wiring harness length for optimal installation
• 20 gauge wire for reliable signal transmission
• Radiused polygon female connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 9.84 inches for proper fitment

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on providing original equipment quality parts designed to meet or exceed factory specifications. The Walker Products OE line ensures that this sensor integrates seamlessly with the vehicle’s emission control system, supporting proper engine management and emissions compliance.

Product Features and Specifications

The Walker 250-241160 oxygen sensor features a heated sensor element that allows for quicker activation and more accurate readings under various operating conditions. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, improving responsiveness and durability. The wiring harness length of 6.49 inches provides sufficient reach for installation without excess slack. The sensor’s radiused polygon female connector ensures a secure and precise fit with the vehicle’s wiring harness. Threaded mounting with an 18.0 mm diameter allows for straightforward replacement in the exhaust system.

Common Applications and Issues Addressed

• Helps correct engine running issues caused by faulty oxygen sensors
• Reduces rough idling and engine hesitation
• Improves fuel efficiency by providing accurate air-fuel mixture data
• Prevents increased emissions and failed emissions tests
• Resolves check engine light codes related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 250-241160 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Confirm the radiused polygon female connector matches the vehicle’s harness for a secure connection. Thread the sensor carefully into the exhaust port to avoid cross-threading. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain the integrity of the vehicle’s emission control system and supports compliance with environmental regulations.