The Nissens A/C Expansion Valve - 999373 is a reliable and durable part designed to keep your air conditioning system running smoothly. This valve is designed to regulate the flow of refrigerant in your air conditioning system, ensuring that it is operating at peak efficiency. It is constructed from high-quality materials for long-term performance and is easy to install. This part is designed to fit a variety of vehicles, making it a great choice for any car owner. With its reliable performance and easy installation, the Nissens A/C Expansion Valve - 999373 is the perfect choice for keeping your air conditioning system running smoothly.