Walker 250-24619 Oxygen Sensor - Downstream

Overview of Walker 250-24619 Oxygen Sensor for Buick Regal

The Walker 250-24619 oxygen sensor is designed specifically for Buick Regal models, providing precise emission control and engine performance monitoring. This heated oxygen sensor ensures accurate readings for optimal fuel efficiency and reduced emissions.

• Heated oxygen sensor with 4 wires for reliable operation
• Specific fit for Buick Regal vehicles
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon female connector for secure electrical connection
• Wiring harness length of 10.35 inches and overall length of 13.9 inches
• 20 gauge wire for durability and signal integrity

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-24619) is engineered with a heated sensor element to provide faster response times and improved accuracy under various operating conditions. The sensor includes a 4-wire configuration, which supports both the heating element and signal wires, ensuring consistent performance. The radiused polygon female connector is designed for a secure and precise fit, minimizing the risk of electrical issues. With a threaded mounting type and an 18.0 mm thread diameter, installation is straightforward and compatible with the designated Buick Regal models. The wiring harness length of 10.35 inches and overall length of 13.9 inches allow for proper routing and fitment within the vehicle’s engine bay.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with factory-installed components. Choosing a Walker Products OE sensor helps maintain the integrity of your Buick Regal’s emission control system.

Common Applications and Problem Resolution

• Restores accurate oxygen level readings for proper air-fuel mixture
• Helps resolve engine performance issues such as rough idling or hesitation
• Reduces emissions by ensuring correct sensor feedback to the engine control unit
• Prevents check engine light triggers related to oxygen sensor faults
• Supports fuel economy improvements by maintaining sensor accuracy

Installation Notes and Tips

When installing the Walker 250-24619 oxygen sensor, ensure the engine is cool to avoid burns. Use appropriate tools to avoid damaging the threaded sensor or connector. Verify the connector’s radiused polygon shape matches the vehicle harness for a secure connection. Follow torque specifications for the 18.0 mm threaded mount to prevent leaks or sensor damage. It is recommended to inspect wiring and harness condition before installation to ensure optimal sensor performance.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable operation. 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 long-term vehicle performance.