The Genuine Porsche Engine Coolant Reservoir Hose Clamp - 99951258509 is a high-quality, durable clamp designed specifically for use with Porsche engines. This clamp is used to secure the engine coolant reservoir hose in place, ensuring a tight and secure connection. It is made from premium materials and is designed to withstand high temperatures and pressure. This Genuine Porsche clamp is an essential component for maintaining the proper functioning of the engine cooling system and ensuring optimal performance of your Porsche vehicle.