The DFC brake wheel cylinder for 1986–2003 Buick Regal (rear) is a replacement hydraulic component for rear drum-brake applications across the stated Regal years. It restores actuation of the brake shoes and helps contain hydraulic fluid at the wheel, offering a serviceable option when addressing leaking or worn rear cylinders during brake maintenance on compatible Regal models.
DFC 86-03 Buick Regal Rear Brake Wheel Cylinder