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The DFC brake master cylinder for 1991–1992 Buick Riviera is a direct-replacement unit that restores proper hydraulic pressure and pedal feel. Intended as a like-for-like service part, it replaces a failing or leaking original master cylinder to help return reliable braking performance. Installation uses the Riviera’s standard mounting and hydraulic connections for straightforward replacement on 1991–1992 models.
DFC 91-92 Buick Riviera Brake Master Cylinder
