The Genuine Porsche HVAC Heater Hose - 99610612754 is a high-quality replacement part for the heating and cooling system of Porsche 996 models. This hose is responsible for carrying hot coolant from the engine to the heater core, which then circulates warm air into the cabin. It is made from durable materials and designed to fit perfectly in the vehicle's HVAC system. This hose is an essential component for maintaining proper temperature control and ensuring the comfort of passengers in the car.