Walker 250-24121 Oxygen Sensor - Downstream, Downstream Rear or Upstream

Overview of Walker 250-24121 Oxygen Sensor

The Walker 250-24121 oxygen sensor is designed specifically for select Acura, Honda, and Isuzu models, including the Civic, NSX, Odyssey, Prelude, S2000, and Oasis. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Acura, Honda, and Isuzu vehicles
• 23.15-inch wiring harness length for flexible installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon female connector for secure connection
• Overall length of 26.69 inches for proper fitment
• 20 gauge wire for reliable signal transmission

Walker Products OE 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 compatibility and durability, making it a suitable replacement part for emission control systems in specific vehicle models.

Technical Description and Features

The Walker 250-24121 oxygen sensor features a heated sensor type 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 reliability. The sensor’s 23.15-inch wiring harness length and radiused polygon female connector facilitate straightforward installation and secure electrical connection. Its threaded mounting type with an 18.0 mm diameter ensures a proper seal and fit in the exhaust system. The 20 gauge wire measurement supports consistent signal quality, while the overall length of 26.69 inches accommodates the specific routing requirements of compatible vehicles.

Compatible Vehicles and Common Applications

• Acura Civic, NSX, and Prelude models requiring precise oxygen sensing
• Honda Civic, Odyssey, Prelude, and S2000 for emissions monitoring
• Isuzu Oasis models with specific oxygen sensor fitment needs
• Replacement for faulty or worn oxygen sensors causing engine performance issues
• Emission control system maintenance and repair

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use appropriate tools to avoid damaging the threaded mounting
• Verify connector compatibility with the radiused polygon female connector
• Check wiring harness routing to prevent interference with moving parts or heat sources
• Follow vehicle-specific service manual instructions for sensor replacement

Quality Assurance and Warranty

Walker oxygen sensors, including part number 250-24121, are manufactured to meet strict quality standards for durability and performance. This part is engineered to provide reliable operation within the emission control system. While specific warranty details may vary, Walker Products OE parts typically come with a limited warranty covering defects in materials and workmanship.