Boat owners and marine mechanics, this oil drain plug gasket set is an absolute must-have for maintaining your outboard motor! You get 20 premium gaskets that are compatible with Mercury, Yamaha, Johnson, Evinrude, and various non-Japanese outboards and Mercruiser models. These are 3/8”-16 oil drain plug screw gaskets made from high-quality non-asbestos sealing material that creates a strong, leak-proof seal every time. The package includes both the blue seals and lower unit gear housing seal washers you need for complete drain plug maintenance. What's really great is having 20 pieces - that's enough for multiple oil changes and different engines, saving you trips to the marine store and money in the long run. These gaskets prevent messy gear oil leaks that can contaminate waterways and damage your engine. The direct replacement design means they fit perfectly where your old, worn-out washers used to be. Installation is simple - just remove the old gasket and press the new one into place before reinstalling your drain plug. The durability is impressive - they withstand multiple uses and provide reliable sealing performance. With a one-year guarantee backing them up, you can buy with confidence. Whether you're doing routine maintenance or addressing a leaky drain plug, this comprehensive gasket set provides that peace of mind knowing your lower unit is properly sealed and protected from water intrusion and oil leaks.
Free 30-day returns 
Free 30-day returns
