Bosch Hydro-Boost provides the necessary stopping power for your hard working Truck Since 1973, Bosch has supplied Hydro-Boost (Hydraulic Power Brake Booster) assemblies to Original Equipment Manufacturers so you can rest assured that your purchase of a Bosch Hydro-Boost booster will deliver the reliable and powerful braking performance you need. All Bosch Hydro-Boost Power Brake Booster Assemblies are designed, tested, and manufactured in the United States of America to match original equipment specifications, ensuring optimal brake system performance for superior safety when hauling or towing heavy loads. Every Bosch Hydro-Boost Power Brake Booster Assembly is 100% new, and is hydraulically tested and verified for quality assurance before leaving the factory. Accumulators are charged to OE specifications for each specific application for increased safety and peace of mind. Bosch Hydro-Boost Power Brake Boosters are designed to exceed 500,000 pedal strokes, ensuring reliable performance and a long service life. Bosch offers 21 part numbers covering 21 million vehicles across popular truck, SUV, and Van applications from General Motors, Ford, and Dodge.