Power Brake Booster. CARDONE Remanufactured Power Brake Boosters are re-engineered, built and tested to match O.E. performance. All units are 100% tested to ensure perfect fit and function. This part generally fits Lexus vehicles and includes models such as GS350,IS250,IS300,IS350,RC300,RC350 with the trims of Base Cou pe 2-Door,Base Sedan 4-Door,F Sport Coupe 2-Door,F Sport Sedan 4-Door.