The OEM Mazda Brake Booster BHY1-43-80ZA is a direct replacement part for Mazda vehicles, specifically models from 2014 to 2018. It is a genuine OEM product, ensuring quality and compatibility with the vehicle. The product comes with a 1-year warranty and includes only part reference #6 on the diagram. This brake booster is designed to provide reliable braking performance for Mazda vehicles, making it an essential component for maintaining safety and control on the road.