313353 OMC SEAL

Original equipment sterndrive retainer oil seal for OMC Johnson/Evinrude motors. Specifications: 1.938 inch inner diameter, 2.438 inch outer diameter, 0.250 inch height. Compatible with 100, 120, 140, and 155 horsepower models from 1968-1981. Prevents gearcase oil leakage while accommodating shaft rotation. Equivalent to Sierra Marine 18-2058, SEI Marine 94-105-51, GLM 86050, and Mallory Marine 9-76227. Critical component for sterndrive lower unit sealing and oil retention.