Walker 250-24373 Oxygen Sensor - Downstream

Overview of Walker 250-24373 Oxygen Sensor for Subaru Vehicles

The Walker Products OE 250-24373 oxygen sensor is designed specifically for select Subaru models, including the Baja, Legacy, and Outback. 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 type for faster response times
• Specific fit for Subaru Baja, Legacy, and Outback models
• 15.08-inch wiring harness length for proper installation
• 20 gauge wire measurement with 4 wires for reliable signal transmission
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 18.62 inches for compatibility with factory locations

Detailed Features and Specifications

This oxygen sensor from Walker Products OE is engineered with a heated sensor element to reduce warm-up time, improving emissions control during cold starts. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring accurate and stable readings. The wiring harness length of 15.08 inches provides sufficient reach for proper routing in the engine bay. The radiused polygon male connector is designed to match factory connectors, preventing installation issues. The threaded mounting type with an 18.0 mm diameter allows for secure and precise placement in the exhaust system.

Walker Products OE Brand Line Information

Walker Products OE focuses on delivering emission control components that meet or exceed original equipment specifications. The 250-24373 oxygen sensor is part of this line, ensuring compatibility and performance consistent with Subaru’s factory standards. This product line emphasizes durability and precise fitment, making it suitable for maintaining the emission systems of Subaru Baja, Legacy, and Outback vehicles.

Common Applications and Problem Resolution

• Restores proper air-fuel ratio readings for improved fuel efficiency
• Resolves check engine light issues related to oxygen sensor faults
• Helps reduce harmful emissions by providing accurate sensor data
• Prevents engine performance problems caused by faulty oxygen sensors
• Supports smooth engine idling and acceleration in Subaru Baja, Legacy, and Outback

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 Walker 250-24373 oxygen sensor, threading it securely without over-tightening. Verify the radiused polygon male connector is fully seated to maintain a reliable electrical connection. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The 250-24373 part number is backed by Walker’s quality assurance protocols. Please refer to Walker’s official warranty documentation for specific coverage details.