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Mecury Lower Units Online

The new Mecury Lower Units are complete, and lower unit gearcases are ready to be installed. Mercury’s new gear housings come with friction-welded durable shafts, ultra-pure anodes that sacrifice themselves instead of the running gear and quality forged gears with high-performance gear lube, the secret ingredient to long gear life. These gear cases all include a standard Mercury one-year limited factory warranty.

Please check the parts look-up page for your engine serial number (search by serial number above) to ensure you’re ordering the correct lower unit. You can check the Notes column for specifics on the different part numbers. Please use the contact page if you have questions!

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