321173 OMC THRUST BUSHING

OEM OMC Johnson/Evinrude thrust bushing (part 321173, also marked 0321173) used as a propeller shaft thrust bearing and wear surface on V6 and V8 Evinrude outboards and OMC Stringer/Cobra stern drives from 1976 to 1987. This bushing supports axial thrust loads from the propeller during acceleration and deceleration. Later superseded by improved part 333592 which offers slightly greater thickness for enhanced load capacity. Original equipment bushings for precise shaft alignment and durability.