This product is a genuine Porsche A/C refrigerant hose designed for use on the right side of various Porsche models, including the 911, Boxster, and Cayman. The part number is 99157310801. It is specifically designed for use with A/C systems and is used to transport refrigerant throughout the vehicle's cooling system. This hose is an essential component for maintaining proper A/C function and ensuring the comfort of the vehicle's occupants. It is a high-quality, reliable product that is manufactured to meet Porsche's strict standards and specifications.