The DFC brake master cylinder for 2006–2008 Buick Rainier is a replacement unit designed to restore hydraulic pressure and pedal feel for Rainier models in those years. Specified as a service repair part, it addresses common master cylinder issues such as internal leaks or loss of braking pressure, offering a straightforward way to return the vehicle’s braking system to normal operation.
DFC 06-08 Buick Rainier Brake Master Cylinder