Walker 250-24616 Oxygen Sensor - Downstream

Overview of Walker 250-24616 Oxygen Sensor

The Walker 250-24616 oxygen sensor is designed specifically for select Buick, Chevrolet, Oldsmobile, and Pontiac models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Buick Achieva, Chevrolet Cavalier, Pontiac Grand Am, Oldsmobile Skylark, and Pontiac Sunfire
• 65.28 inches wiring harness length for flexible installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• 20 gauge wire for reliable signal transmission
• Overall length of 68.82 inches

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-24616) is engineered to meet the exact specifications of your vehicle’s original equipment. Featuring a heated sensor type, it quickly reaches operating temperature to provide accurate oxygen level readings, which are critical for maintaining efficient combustion and reducing emissions. The sensor includes a 4-wire design, which supports both the sensor signal and the heating element, ensuring consistent performance under various driving conditions.

The wiring harness length of 65.28 inches allows for straightforward routing and installation in the engine bay, while the radiused polygon male connector ensures a secure and precise fit. The threaded mounting type with an 18.0 mm diameter matches factory specifications, making this sensor a direct replacement for the Buick Achieva, Chevrolet Cavalier, Pontiac Grand Am, Oldsmobile Skylark, and Pontiac Sunfire models.

Walker Products OE Brand Line

Walker Products OE is a dedicated product line focused on delivering original equipment quality emission control components. This oxygen sensor is part of that line, designed to meet or exceed factory standards for fit, form, and function. Choosing a Walker Products OE sensor helps maintain your vehicle’s emissions system integrity and supports compliance with environmental regulations.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in specified Buick, Chevrolet, Oldsmobile, and Pontiac models
• Helps resolve rough idling and poor fuel economy caused by inaccurate oxygen readings
• Reduces engine hesitation and stalling related to sensor malfunction
• Assists in passing emissions inspections by ensuring proper sensor operation
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools to avoid damaging the threaded mounting or connector
• Verify connector type and wiring harness length compatibility before installation
• Apply anti-seize compound on threads if recommended by vehicle manufacturer
• Clear any diagnostic trouble codes after installation to reset the engine control unit

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms related to part number 250-24616.