1984 - 1988 Ford Bronco 4WD. 1984 - 1988 Ford F-250 RWD & 4WD. 1986 - 1988 Ford F-200 RWD. Type:Brake Booster. Booster Type:Vacuum. 1984 - 1988 Ford F-150. -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.