Walker 250-241221 Oxygen Sensor - Downstream

Overview of Walker Products OE Oxygen Sensor 250-241221

The Walker Products OE Oxygen Sensor 250-241221 is designed specifically for Ford Escape and Transit Connect models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster activation
• Specific fit for Ford Escape and Transit Connect
• 29.06-inch wiring harness length for precise installation
• 20 gauge wire measurement with 4 wires for reliable signal transmission
• Female connector with 18mm thread diameter
• Overall length of 32.6 inches for proper fitment

Detailed Product Features and Specifications

The Walker Products OE line focuses on providing original equipment quality parts that meet or exceed OEM standards. The 250-241221 oxygen sensor is a heated sensor, which means it includes an internal heating element to bring the sensor up to operating temperature quickly. This feature improves fuel efficiency and reduces emissions during cold starts. The sensor’s wiring harness length of 29.06 inches and 20 gauge wire size ensure durability and ease of installation. With four wires and a female connector, this sensor is designed for a specific fit, matching the original equipment on Ford Escape and Transit Connect vehicles. The 18mm thread diameter and overall length of 32.6 inches allow for a secure and proper fit in the exhaust system.

Compatible Vehicles and Applications

This oxygen sensor is compatible with the following Ford models:

• Ford Escape
• Ford Transit Connect

It is intended for use in emission control systems to monitor oxygen levels in the exhaust gases, helping the engine control module adjust the air-fuel mixture for optimal combustion.

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine hesitation or rough idling caused by sensor malfunction
• Reduced engine performance linked to inaccurate exhaust gas data

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-241221, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the wiring harness. Verify the connector gender and thread diameter match the original sensor to ensure proper fitment. It is recommended to apply anti-seize compound on the threads before installation to facilitate future removal. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products OE parts are manufactured to meet original equipment specifications, ensuring reliable performance and durability. The 250-241221 oxygen sensor undergoes rigorous quality control testing to maintain consistency. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary by region.