Quicksilver 12-19183Q02 Seal (4)Quicksilver 19183Q02 Lower Unit Gear Lube Drain & Fill Hole Screw Seal is designed to create a reliable seal for the 3/8-16 drain/fill screw used on all MerCruiser sterndrives and most Mercury and Mariner outboards. Replacing the drain screw gasket during gear lube service helps prevent leaks and maintain proper gearcase lubrication.This package includes four replacement gaskets, making it convenient to keep extras on hand for routine maintenance. These seals are intended for use with the standard 3/8-16 drain/fill screw and are not compatible with Verado outboards or Mercury and Mariner outboards of Japanese origin.Special Order Item – Minimum Order Quantity 2.Product Features:Replacement drain and fill hole screw seals for lower unit gear lube serviceFits 3/8-16 drain/fill screws used on all MerCruiser sterndrives and most Mercury and Mariner outboardsHelps prevent gear lube leaks by providing a reliable sealIdeal for routine lower unit maintenance and gear oil changesIncludes four replacement gasketsEasy to replace during gear lube serviceFits:All MerCruiser sterndrives with 3/8-16 drain/fill screwsMost Mercury outboards with 3/8-16 drain/fill screwsMost Mariner outboards with 3/8-16 drain/fill screwsDoes Not Fit:Mercury Verado outboardsMercury and Mariner outboards of Japanese originKit Includes:(4) Drain and fill hole screw gasketsProduct Details:Brand: QuicksilverManufacturer Part Number: 19183Q02Part Type: Lower Unit Gear Lube Drain & Fill Hole Screw Seal