For Mazda B2300 2001-2009. For Mazda B2500 1998-2001. For Mazda B3000 1998-2007. For Mazda B4000 1998-2009. - Type: Brake Master Cylinder. - Master Cylinder Material: Aluminum Alloys 101. -Easy to install and maintain, this brake master cylinder is a cost-effective solution for replacing worn-out or malfunctioning parts in your vehicle's braking system.