Walker 250-24339 Oxygen Sensor

Overview of Walker Products OE Oxygen Sensor 250-24339

The Walker Products OE Oxygen Sensor 250-24339 is designed for precise emission control in select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, Saab, and Saturn vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and emissions compliance.

• Heated sensor type for faster response times
• Specific fit for models including Chevrolet Colorado, GMC Envoy, and Saturn Sky
• 15.28-inch wiring harness length with 4 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 18.82 inches for proper installation depth

Detailed Product Features and Specifications

This oxygen sensor features a heated element to quickly reach operating temperature, improving sensor response and reducing emissions during cold starts. The 4-wire design includes two wires for the sensor signal and two for the heater circuit, using 20 gauge wire for durability and reliable electrical performance. The wiring harness length of 15.28 inches provides sufficient reach for installation in the exhaust system of specific vehicles. The radiused polygon male connector ensures a precise and secure fit, minimizing the risk of disconnection or signal loss. The sensor mounts via a threaded connection with an 18.0 mm diameter, compatible with factory exhaust ports. The overall length of 18.82 inches supports proper sensor positioning within the exhaust stream.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is engineered to provide reliable performance and durability consistent with the standards expected from original equipment manufacturers. Using Walker Products OE parts helps maintain vehicle emission systems as designed by the manufacturer.

Compatible Vehicles and Common Applications

• Buick Rainier and Rendezvous
• Chevrolet Colorado, Express 1500/2500/3500, G6, Malibu, SSR, and Trailblazer models
• GMC Envoy, Envoy XL, Envoy XUV, Savana 1500/2500/3500, and Canyon
• Isuzu Ascender and Bravada
• Oldsmobile Alero and Aurora
• Pontiac G6, Solstice, and Sunfire
• Saab 9-7x
• Saturn Sky

Common Issues Addressed by Oxygen Sensor 250-24339

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check Engine Light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine hesitation or rough idle related to sensor failure
• Failed emissions tests due to sensor performance degradation

Installation Notes and Tips

• Ensure vehicle compatibility before installation using make and model references
• Use proper tools to avoid damaging the threaded sensor mount
• Disconnect the battery before sensor replacement to prevent electrical shorts
• Apply anti-seize compound on threads if recommended by vehicle manufacturer
• Verify connector engagement with the radiused polygon male connector for secure fit

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emission regulations and supports reliable vehicle operation.