The Genuine Porsche Disc Brake Pad Wear Sensor (part number 99661236501) is a high-quality replacement part for Porsche vehicles. It is designed to detect when the brake pads are worn down and need to be replaced. This sensor is essential for maintaining the safety and performance of your vehicle's braking system. It is a genuine OEM part, meaning it is made by the original manufacturer and meets all factory specifications. This brake pad wear sensor is compatible with various Porsche models, including the 911, Boxster, and Cayman. It is easy to install and will ensure that your brakes are always in top working condition.