The Genuine Porsche Engine Crankcase Breather Hose - 98710794700 is a high-quality replacement hose designed for use in Porsche vehicles. This hose is responsible for allowing excess pressure and gases to escape from the engine crankcase, preventing damage to the engine and ensuring optimal performance. It is made from durable materials and is designed to fit perfectly in place of the original hose. This product is an essential component for maintaining the proper functioning of the engine and should be replaced if it becomes damaged or worn out.