317831 OMC CIR CLIP

OMC Johnson/Evinrude part 317831 is a precision-engineered circlip (also called a snap ring or retaining ring) used throughout marine engine assembly to secure shafts, gears, and mechanical components. This stainless-steel or spring-steel ring fits into machined grooves and prevents axial movement of engine parts during operation. Commonly found in transmission, reverse gear, and propeller shaft systems. Replacement part for vintage and classic OMC outboard motors. Check your engine model documentation for specific applications.