Our marine drain screw gaskets are the ideal solution for outdrive drain, vent plug / vent screw and oil level use. Compatible with most lower units and seawater pumps. Keep oil in and water out with the tight seal created b...

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Product Review

Our marine drain screw gaskets are the ideal solution for outdrive drain, vent plug / vent screw and oil level use. Compatible with most lower units and seawater pumps. Keep oil in and water out with the tight seal created by these gaskets. Compatible with inboard / outboard motors made by a variety of manufacturers, including Mercruiser (TM), Mercury Marine (TM), OMC (TM), Chrysler (TM) / Force (TM) / US Marine (TM), Mallory (TM), Johnson (TM) / Evinrude (TM), Sears (TM) and more. Comparable to Sierra International (TM) 18-2945-9. Replaces 307552, 12-19183, 12-191832, 12-191833, 12-19183B, 12-20260, 12-20260B, 9-60101, 9-60102, F50556, F8077, F8186 and more. Each change requires 2-3 gaskets. Our pack of 6 helps ensure that you always have spares on hand for the next change. Our gaskets are made from durable, marine-specific materials and are built to last. This product is manufactured and distributed by Impresa Products (TM). This is not a Mercruiser (TM), Mercury Marine (TM), OMC (TM), Chrysler (TM) / Force (TM) / US Marine (TM), Mallory (TM), Johnson (TM) / Evinrude (TM), Sears (TM) or Sierra International (TM) product and Impresa Products has no affiliation with or endorsement from these brands. Our product is not covered under any other manufacturer's warranty (except for Impresa Products). The Mercruiser (TM), Mercury Marine (TM), OMC (TM), Chrysler (TM) / Force (TM) / US Marine (TM), Mallory (TM), Johnson (TM) / Evinrude (TM), Sears (TM) and Sierra International (TM) brand names and logos are the registered trademarks of their owners. Any use of the Mercruiser (TM), Mercury Marine (TM), OMC (TM), Chrysler (TM) / Force (TM) / US Marine (TM), Mallory (TM), Johnson (TM) / Evinrude (TM), Sears (TM) or Sierra International (TM) brand names, models or any other related designations are made solely for purposes of describing and illustrating compatibility.

  • Marine-Grade Durability: The Mission Automotive Marine Drain Screw Gasket offers exceptional durability, ensuring a reliable seal that keeps oil in and water out. Compatible with lower unit oil pumps, this gasket is ideal for maintaining boat performance
  • Broad Compatibility Range: Our gaskets are compatible with Mercruiser, Mercury Marine, OMC, Chrysler, Force, US Marine, and Johnson engines. These versatile gaskets also serve as replacements for multiple model numbers, including Sierra International 18-2945-9
  • Comprehensive Value Pack: Each maintenance session requires 2-3 gaskets, and our pack of six ensures you have ample spares for future needs. These gaskets are crafted from marine-specific materials, designed to withstand harsh environmental conditions
  • Efficient Maintenance Solution: Designed for outdrive drain and vent plug applications, these gaskets support the proper functioning of lower unit gear oil pumps. They are compatible with a wide range of marine drain plugs and boat drain plug gaskets
  • Trusted Quality Assurance: Mission Automotive products provide reliable replacement solutions for DIY enthusiasts and professionals. Although produced by Mission Automotive, this product has no affiliation with the manufacturers mentioned

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