PROFORCE A18 Wheel Bearing (Front or Rear) Manufactured to meet or exceed expectations for performance and fit. Precision machined and pre-coated with anti-corrosion lubricant Direct Fit, designed for vehicle specific application on all makes and models Latest generation design used in manufacturing High quality seal design ensures a clean, long lasting wheel bearing. ISO/TS 16949 certified All hub units are engineered to OEM exact standards. Standards so exact were able to offer a 1-year comprehensive warranty on them.