Brand New (Both) Front Wheel Hub and Bearing Assembly 2001-06 Sierra 3500, Silverado 3500 4x4 8 Lug W/ABS (Pair) 515088 x2 Placement on Vehicle: Left, Right, Front 4 Wheel-ABS 8 Stud, 4 Mating Bolt Holes 4WD 4x4 1 Year Warranty