Marine Starter Switches Magneto grounded in "off" position glass filled delrin housing, stainless steel terminals, moulded velox base.13/16" diameter mounting bushing special weather proofing seal and drain hole. Furnished with terminal Hardware, Mounting Nuts and two keys. Features Special long bushing allows mounting in panels up to 1 1/4" thick. Replaces-Johnson-Evinrude Numbers 386496, 379047, 378238; Specification Ratings:Applications For Magneto applications; Note With Special Long Bushing.