The DFC brake wheel cylinder 720093 for Buick Riviera (rear) is a replacement hydraulic component specified for rear drum-brake service on Riviera models where this part number applies. It restores the hydraulic function that moves the brake shoes and helps address leaks or wear, serving as a practical option during rear brake repairs or cylinder replacement jobs.
DFC 720093 Buick Riviera Rear Brake Wheel Cylinder