This product is a genuine Porsche disc brake caliper with the part number 99635142611. It is designed to fit on Porsche vehicles and is used as a replacement part for the disc brake system. The caliper is responsible for squeezing the brake pads against the rotor to slow or stop the vehicle. It is an essential component for safe and efficient braking. This specific caliper is manufactured by Porsche and is made with high-quality materials to ensure durability and performance. It is a direct fit for the specified part number and is suitable for use in Porsche vehicles.