4.5714 5 7
Mercury Lower Unit Gear Case Drain Plug 18-2244
Item No. 315345
Mercury Lower Unit Gear Case Drain Plug 18-2244 is rated 4.6 out of 5 by 7.
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Mercury Lower Unit Gear Case Drain Plug 18-2244
Details

Mercury Lower Unit Gear Case Drain Plug 18-2244

Mercury Lower Unit Gear Case Drain Plug 18-2244 is rated 4.6 out of 5 by 7.
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Item No. 315345
$2.84 $2.99
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Additional Information
This stainless steel drain plug fits most Mercury lower units. Direct replacement for Mercury Marine 10-79953Q2 and 10-79953A2. Sierra part number 18-2244.
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  • Fits most Mercury lower units
  • Made of stainless steel
  • Sierra 18-2244
Unit Weight 0.04 lb
Brand Sierra
Rated 5 out of 5 by from I would buy this product again very good product
Date published: 2014-10-16
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) did come with them. Only issue is these are special order so they do not ship out as fast as overtons normally does.
Date published: 2014-03-22
Rated 4 out of 5 by from Lower Unit Kit When the catalog said "Kit", I assumed that there would be a plug for the vent hole and the fill hole. Now I need to order a second and I'm ready to winterize my boat now.
Date published: 2011-10-19
Rated 3 out of 5 by from I thought it was a Kit Good quality stainless steel plug but it did not come with O-rings or gasket as discribed in catalog.[...]
Date published: 2011-07-11
Rated 5 out of 5 by from A must to have for a spare Much better than the oem aluminum plugs.
Date published: 2011-06-18
Rated 5 out of 5 by from Easier to install This drain plug is a LOT easier to install than the stock drain plug, you don't have to mess around with a - screw driver and loose lower unit oil.
Date published: 2010-08-10
Rated 5 out of 5 by from Best plugs ever These plugs are the greatest. No more screwdrivers!
Date published: 2010-04-21
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Will this drain plug fit a 1971 Mercury 7.5 hp? 

Asked by: Jsmiley
No. The Mercury Lower Unit Gear Case Drain Plug, 18-2244, is meant to be used on the Mercruiser I/O engine.
Answered by: Steve
Date published: 2020-04-09

What is the gasket part number?

Asked by: Tim
The gasket that works with the Mercury Lower Unit Gear Case Drain Plug is item number 7003524 (18-2945).
Answered by: Steve
Date published: 2016-04-20

what is the difference between #74253 & #74254 lower unit gear case plugs.

Asked by: Anonymous
They are both plugs, however one is magnetic and will attract any free roaming metal shavings or particles that can harm your engine.
Answered by: Bob
Date published: 2015-09-23
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