F8UZ6B209CA, F8TE6B209BD. Type: Belt Tensioner. Hydraulic Power Brake Booster For Ford F-250 350 450 Super Duty 99-2004 52-7374. for Ford E-450 Super Duty 2003 V8 7.3L Diesel w/ 2Pcs Pulleys. for Ford E-550 Super Duty 2003 V8 7.3L Diesel w/ 2Pcs Pulleys.