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Mission Automotive 6-Pack Marine Drain Screw Gasket - Compatible with Most Lower Units and Seawater Pumps - Comparable to Sierra International (TM) 18-2945-9

4.4 out of 5 stars 57 ratings
Amazon's Choice recommends highly rated and well-priced products.
Amazon's Choice for "mercury outboard lower unit drain plug gasket"

Price: $4.99 FREE Shipping
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  • PERFECT FOR THE MARINE ENVIRONMENT: 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
  • WIDELY COMPATIBLE: 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
  • REPLACE MANY MODELS: 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
  • VALUE PACK, BUILT TO LAST: 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
  • Please note: This product is produced by Impresa Products. We have no affiliation with or endorsement from any of the other manufacturers mentioned

Frequently bought together

  • Mission Automotive 6-Pack Marine Drain Screw Gasket - Compatible with Most Lower Units and Seawater Pumps - Comparable to Sierra International (TM) 18-2945-9
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  • Slippery Pete - Lower Unit Gear Oil Pump for Standard Quart Bottles, Includes 3/8" Metal Swivel, 8mm and 10mm Adapters to Fit Most Major Marine Boat Outboard Motors
Total price: $34.51
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Product description

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.


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4.4 out of 5 stars
4.4 out of 5
57 customer ratings
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Reviewed in the United States on October 29, 2018
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Reviewed in the United States on October 5, 2019
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Reviewed in the United States on February 16, 2019
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Reviewed in the United States on January 26, 2019
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Reviewed in the United States on April 12, 2020
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Reviewed in the United States on January 16, 2019
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Reviewed in the United States on December 14, 2019
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Reviewed in the United States on August 27, 2019
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