The Walker Products 250-24701 Oxygen Sensor is a high-quality sensor designed for vehicles. Made by the reputable brand Walker Products, it is specifically manufactured in Mexico. The sensor is compact in size, with dimensions of 5.8 inches in height, 2.1 inches in length, and 1.9 inches in width, and it weighs only 0.2 pounds. It is an essential component for monitoring and regulating the oxygen levels in a vehicle's exhaust system, ensuring optimal performance and emission control.