The Brake Master Cylinder ACDelco 18M2667 is a high-quality replacement part made of metal. It includes the necessary items and comes with a manufacturer warranty of 1 year. This specific model is designed for ACDelco Professional Durastop brand vehicles and is compatible with the OE/OEM part number 18M2667. Made in the United States, this brake master cylinder is a reliable and durable component for ensuring proper braking performance in your vehicle.