The Genuine Porsche Engine Coolant Filler Neck (part number 98110615005) is a component of the engine cooling system for Porsche vehicles. It is designed to securely hold the engine coolant and allow for easy filling and draining of the coolant. This filler neck is made from high-quality materials and is an authentic Porsche part, ensuring proper fit and function. It is compatible with various Porsche models and is an essential part of maintaining the engine's optimal temperature and performance.