Walker 250-24275 Oxygen Sensor - Downstream

Overview of Walker 250-24275 Oxygen Sensor for Chevrolet and Pontiac

The Walker 250-24275 oxygen sensor is designed specifically for Chevrolet Cavalier and Pontiac Sunfire models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 4-wire configuration
• Wiring harness length of 53.66 inches for precise fitment
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 57.2 inches to accommodate specific vehicle layouts
• Wire gauge measurement of 20 for reliable electrical performance

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-24275) is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. The 4-wire design includes two heater wires and two signal wires, ensuring stable operation under various driving conditions. The sensor’s wiring harness length of 53.66 inches and overall length of 57.2 inches are tailored for a specific fit in Chevrolet Cavalier and Pontiac Sunfire vehicles. The radiused polygon male connector and threaded mounting type with an 18.0 mm diameter allow for straightforward installation and secure attachment.

Walker Products OE Brand Line

The Walker Products OE line focuses on delivering emission control components that meet original equipment specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with factory-installed parts. Using a Walker Products OE sensor helps maintain the integrity of your vehicle’s emissions system and supports compliance with environmental standards.

Common Applications and Problem Resolution

• Restores accurate oxygen level readings for proper air-fuel mixture
• Helps resolve check engine light issues related to oxygen sensor faults
• Improves fuel economy by providing precise exhaust gas data
• Reduces emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Walker 250-24275 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the radiused polygon male connector aligns properly with the vehicle’s wiring harness. Avoid twisting or stretching the wiring harness beyond its 53.66-inch length to maintain sensor integrity. It is recommended to check for any exhaust leaks before installation to ensure accurate sensor readings.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. This part number 250-24275 undergoes rigorous testing to ensure durability and reliable performance in Chevrolet Cavalier and Pontiac Sunfire models. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use.