Walker 250-24273 Oxygen Sensor

Overview of Walker Products OE Oxygen Sensor 250-24273

The Walker Products OE Oxygen Sensor 250-24273 is designed specifically for select Buick, Chevrolet, GMC, Oldsmobile, Pontiac, and Saturn vehicles. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for models including Alero, Impala, Malibu, and Vue
• 9.76-inch wiring harness length with 20 gauge wire
• Four-wire configuration with radiused polygon female connector
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 13.31 inches for precise installation

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE features a heated sensor element that allows quicker warm-up and more accurate readings under various operating conditions. The 9.76-inch wiring harness length and 20 gauge wire ensure reliable electrical connections, while the four-wire design supports both sensor heating and signal transmission. The radiused polygon female connector provides a secure and specific fit, reducing the risk of connection issues. The sensor mounts via an 18.0 mm threaded fitting, compatible with the exhaust systems of Buick, Chevrolet, GMC, Oldsmobile, Pontiac, and Saturn vehicles such as the Cavalier, Grand Prix, and LaCrosse.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. This oxygen sensor is engineered to provide consistent performance and durability, aligning with the standards expected in OE replacement parts. Using a Walker Products OE sensor helps maintain the integrity of the vehicle’s emissions system and supports compliance with environmental regulations.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunctions

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the new sensor into the exhaust manifold or pipe. Ensure the connector matches the radiused polygon female type for proper connection. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to ease future removal. Verify the wiring harness length of 9.76 inches is sufficient for your vehicle’s routing. Proper torque on the 18.0 mm threaded fitting is essential to avoid leaks or damage.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable operation and longevity. While specific warranty details for part number 250-24273 may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor supports maintaining your vehicle’s emissions compliance and engine management system integrity.