Walker 250-23088 Oxygen Sensor - Downstream or Upstream

Overview of Walker 250-23088 Oxygen Sensor for Subaru Vehicles

The Walker 250-23088 oxygen sensor is designed specifically for Subaru Forester, Impreza, and Legacy 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 Forester, Impreza, and Legacy
• 15.28-inch wiring harness length with 3 wires
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 18.82 inches for proper installation
• 20 gauge wire for reliable signal transmission

Detailed Features and Specifications

This oxygen sensor from Walker Products OE is engineered with a 15.28-inch wiring harness and three 20-gauge wires, providing a durable and precise connection to your vehicle’s emission system. The heated sensor type allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. The radiused polygon male connector is designed for a specific fit, preventing loose connections and ensuring consistent sensor performance. With an overall length of 18.82 inches, this sensor fits perfectly in the designated mounting location on Subaru Forester, Impreza, and Legacy models.

Walker Products OE Brand Line Information

Walker Products OE is a product line focused on providing original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is part of that line, ensuring compatibility and reliability for Subaru vehicles. The OE line emphasizes precise fitment and durable construction, making it suitable for emission control systems requiring exact sensor performance.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture
• Helps resolve rough idling caused by faulty sensors
• Reduces engine hesitation and poor acceleration
• Prevents increased emissions and failed emissions tests
• Eliminates check engine light codes related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 250-23088 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 male connector securely to the vehicle’s wiring harness to avoid signal interruptions. Verify the wiring harness length of 15.28 inches is sufficient for your specific Subaru model’s sensor location. Proper installation will help maintain sensor accuracy and longevity.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. This part number 250-23088 undergoes rigorous testing to ensure reliable operation in Subaru Forester, Impreza, and Legacy vehicles. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use.