BPYS4340ZB, BPYS4340ZC, BPYS4340ZR0B. For Mazda 3 2004-2013 2.0L. For Mazda 3 2004-2009 2.3L. For Mazda 3 2010-2013 2.5L. - Type: Brake Master Cylinder. - Master Cylinder Material: Aluminium. -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.