Engine Drain Plugs
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Star Brite®Adaptor Fitting (28401)Adaptor Fitting by Star Brite®. 1 Piece. 8mm thread fitting adapter. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Made with the finest materials to offer premium qualityUnique design to help you show off your personal style$11.56 - Prime Line®Drain Plug Gasket for Chrysler EnginesDrain Plug Gasket for Chrysler Engines by Prime Line®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications....Used with: 3/8"-16 drain/fill screw found on all MerCruiser and most Mercury/Mariner O/B gearcasesRubber coated, stainless steel washer$2.43
- Prime Line®Drain Plug Gasket for Force EnginesDrain Plug Gasket for Force Engines by Prime Line®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It...Used with: 3/8"-16 drain/fill screw found on all MerCruiser and most Mercury/Mariner O/B gearcasesRubber coated, stainless steel washer$2.43
- Prime Line®Drain Plug Gasket for MerCruiser EnginesDrain Plug Gasket for MerCruiser Engines by Prime Line®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications....Used with: 3/8"-16 drain/fill screw found on all MerCruiser and most Mercury/Mariner O/B gearcasesRubber coated, stainless steel washer$2.43 - $15.15
- Prime Line®Drain Plug Gasket for Mercury EnginesDrain Plug Gasket for Mercury Engines by Prime Line®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It...Used with: 3/8"-16 drain/fill screw found on all MerCruiser and most Mercury/Mariner O/B gearcasesRubber coated, stainless steel washer$2.43 - $15.15
- Prime Line®Drain Plug Gasket for Sears EnginesDrain Plug Gasket for Sears Engines by Prime Line®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It...Used with: 3/8"-16 drain/fill screw found on all MerCruiser and most Mercury/Mariner O/B gearcasesRubber coated, stainless steel washer$2.43
- Prime Line®Drain Plug Gasket for US Marine EnginesDrain Plug Gasket for US Marine Engines by Prime Line®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications....Used with: 3/8"-16 drain/fill screw found on all MerCruiser and most Mercury/Mariner O/B gearcasesRubber coated, stainless steel washer$2.43
- Prime Line®Drain Plug Washer for Johnson/Evinrude EnginesDrain Plug Washer for Johnson/Evinrude Engines by Prime Line®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine...High quality at an affordable priceExpertly made from premium materials$8.79
- Prime Line®Drain Plug Washer for OMC EnginesDrain Plug Washer for OMC Engines by Prime Line®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It...High quality at an affordable priceExpertly made from premium materials$8.79
- Prime Line®Drain Plug Washer for Volvo Penta EnginesDrain Plug Washer for Volvo Penta Engines by Prime Line®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine...High quality at an affordable priceExpertly made from premium materials$8.79
Every outboard and inboard engine requires regular servicing, at least once a season or more frequently, depending on engine hours. As for seasonal maintenance, it's better to carry it out in the fall, as you can remove water from the motor's internals before air temperature drops below freezing. Oil change is one of the most crucial procedures, and commonly, a boat needs two types of oil - motor and gear oil; the latter is used in a gearcase or lower unit. Respectively, four-stroke marine engines may have two drain plugs for removing waste oil, along with some other threaded plugs utilized for draining water or cooling fluid.
Many engine plugs are used with sealing washers or gaskets, and should you experience problems with these seals or drain plugs, check out our large collection of these parts for a reliable and quality replacement. Sourced from such reputable brands as Sierra or Quicksilver, our products are made of quality materials designed to resist the harsh marine environment they have to operate in. You can choose from seals and plugs specifically designed for propulsion assemblies by popular brands including Mercury, Evinrude, US Marine, Volvo Penta, and others.
