S8 Quattro Sedan V8-4.2L (AYS) (2002)
Vacuum Brake Booster: Application and ID
Dual circuit brake system with diagonal distributor and ABS with EDL,EBD and optional ESP
Brake booster, intake manifold vacuum or vacuum pump
Diameter in inches ..................................................................................... 7-4/8" 4-Tandem Left Hand Drive (LHD) and Right Hand Drive (RHD)
Boost factor .............................................................................................................................................................................................................. i = 4.5