GLM Drain Plug Assembly. Made with quality materials for optimal performance and reliability. Made specifically for use with OMC manifolds. Features of GLM 13992 Drain Plug Assembly For use with OMC manifolds Made of quality materials For use in marine environments Replacement drain plug assembly Refer to manufacturer recommendations for proper fit/installation information Package Contents: GLM 13992 Drain Plug Assembly GLM 13992: Drain Plug Assembly