10-78492A1 Mercury-Mercruiser THUMB SCREW ASSY

Genuine Mercury-Mercruiser thumb screw assembly (part 10-78492A1) designed for various Mercruiser marine engines. This OEM component ensures proper fastening and secure operation of your engine system. This thumb screw assembly provides critical fastening capability for Mercruiser engine components and is compatible with multiple Mercruiser marine engine models.