Walker 250-54067 Oxygen Sensor - Upstream

Overview of Walker 250-54067 Oxygen Sensor for Subaru Legacy and Outback

The Walker Products OE 250-54067 oxygen sensor is designed specifically for Subaru Legacy and Outback models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

• Heated sensor type for faster response times
• Specific fit for Subaru Legacy and Outback vehicles
• Threaded mounting type with 18.0 mm thread diameter
• 17.24 inches wiring harness length with 4 wires of 20 gauge
• Radiused polygon female connector for secure connection
• Overall length of 20.79 inches for proper installation

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes a 20 gauge wire size, providing reliable electrical connections. The sensor’s wiring harness length of 17.24 inches and overall length of 20.79 inches are engineered to fit the specific routing requirements of Subaru Legacy and Outback models. The radiused polygon female connector ensures a secure and precise fit, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-54067 oxygen sensor is part of this line, ensuring compatibility and performance consistent with Subaru’s original components. This product line emphasizes durability and precise fitment, making it suitable for emission control systems requiring exact sensor specifications.

Common Applications and Issues Addressed

• Maintains accurate air-fuel mixture readings for Subaru Legacy and Outback
• Helps resolve engine performance issues related to faulty oxygen sensors
• Reduces emissions by providing precise exhaust gas data
• Prevents check engine light triggers caused by sensor failure
• Supports efficient fuel consumption and engine operation

Installation Notes and Tips

When installing the Walker 250-54067 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer. Connect the radiused polygon female connector securely to avoid electrical issues. Verify the wiring harness routing matches the original setup to prevent damage or interference. Proper torque specifications should be followed to avoid sensor damage.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number 250-54067 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.