311539 OMC BOLT

The OMC 311539 is a general-purpose fastener bolt used in various Johnson/Evinrude outboard and inboard engine assemblies. As an original equipment manufacturer part, this bolt meets OEM specifications for strength and corrosion resistance, typically made from stainless steel or coated steel to withstand marine environments. The exact application and size cannot be determined without additional documentation, but this part is used in engine structural assembly, cooling system brackets, or control linkages common to Johnson/Evinrude engines.