DRIVESTAR 4WD Only 513124x2 Pair New Front LH RH Hub Bearing Assembly for 4X4 w/ABS GMC Chevy GM Trucks Fit ONLY 4WD 4X4 Vehicles Use of advanced techniques in the manufacturing of hub assembly. Components are precision machined and pre-coated with anti-corrosion lubricant. Induction hardened raceway provides superior load bearing capacities and service life Manufactured and tested to meet O.E. specifications, Quality-tested ABS sensors & clips to match specific make & model. Prevents moisture and contamination from entering the bearing with triple lip seals