GLM O Ring. Fits Mercruiser/Mercury/Mariner/Force/OMC/Volvo/Johnson/Evinrude components. Refer to manufacturer recommendations for proper fit/installation information. Features of GLM O Ring Made from quality materials Fits Mercruiser/Mercury/Mariner/Force/OMC/Volvo/Johnson/Evinrude Replacement O-Ring Refer to manufacturer recommendations for proper installation/fit information Designed for use in marine environments Package Contents: GLM O Ring GLM 81080: 81080 O Ring