... wheel hub bearing unit Features:1.material:1) Chrome steel.Steel from the Fifth Factory Of Shanghai Steel Company2) ... Lubrication grease from ESSO and Shell3) Nylon of the keeping shelf from DuPont2.quality certification:ISO9001: ... 2000 system3.fields used in: series of cars,such as Fiat,Renault,Citroen,Fiat,BMW, ... .554.511.59.54XM12X1.25-HONDA High Quality wheel hub bearing unit