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Mercury Lower Unit Magnetic Drain Plug 18-2375
Item No. 315346
Mercury Lower Unit Magnetic Drain Plug 18-2375 is rated 4.0 out of 5 by 5.
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Mercury Lower Unit Magnetic Drain Plug 18-2375
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Mercury Lower Unit Magnetic Drain Plug 18-2375

Mercury Lower Unit Magnetic Drain Plug 18-2375 is rated 4.0 out of 5 by 5.
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Item No. 315346
$6.19 $6.99
Save $0.80 ( 11% Off )
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Additional Information
This magnetic drain plug is a direct replacement for Mercury Marine 10-14834A1 and 22-67892A1. Sierra part number 18-2375.
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  • Fits most Mercury lower units
  • Magnetic drain plug
  • Sierra 18-2375
Unit Weight 0.02 lb
Brand Sierra
Rated 5 out of 5 by from Very happy I am very happy with the product! I read some of the reviews here and some stated they didn't receive a gasket. Both of my plugs (18-224) &(18-2375) came with them. Only issue is these are special order so they do not ship out as fast as overtons normally does. Note the pic is of the upper and lower plug sold separately
Date published: 2014-03-22
Rated 1 out of 5 by from not as expected This product did not have hex head as advertised. It was a slotted head design same as oem.
Date published: 2011-06-10
Rated 4 out of 5 by from Cheap insurance by changing out Dont risk watery drive oil.
Date published: 2010-02-25
Rated 5 out of 5 by from Yes, I would buy this product again. I use this product to add a touch of additional protection for my lower unit.
Date published: 2009-02-17
Rated 5 out of 5 by from Great Product. Easy to use. Easier to use with hex wrench
Date published: 2008-06-20
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will this fit 1992 115 mariner engine

Asked by: ray
The manufacturer of the Mercury Lower Unit Magnetic Drain Plug 18-2375, does not list your engine as one of the engines that this drain plug will work with. If you can obtain the serial number from your engine, we can contact the manufacturer to find the correct drain plug.
Answered by: Steve
Date published: 2017-03-07

This would be for the drain hole (with the magnet), is there a seperate one for the vent hole without the magnet? if no would this one fit there as well? No point in replacing one with a hex hole if the other is still a slot.

Asked by: MS
They will both work The magnet can only trap metal shavings from going through drive so both spots are good
Answered by: 2356scot
Date published: 2017-01-27

Does this include both plugs or just one?

Asked by: Anonymous
This kit includes one plug.
Answered by: Jordan
Date published: 2016-06-06

so does this come with the o ring or are they seperate?

Asked by: Anonymous
Includes the o-ring
Answered by: Michael
Date published: 2016-06-06
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