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Used Outboard Parts & Fresh Water Sterndrive Parts

679-45300-10-F6 Yamaha Mariner Outboard 40B HP Lower Unit Gearcase 20" Longshaft
679-45300-10-F6 Yamaha Mariner Outboard 40B HP Lower Unit Gearcase 20" Longshaft679-45300-10-F6 Yamaha Mariner Outboard 40B HP Lower Unit Gearcase 20" Longshaft679-45300-10-F6 Yamaha Mariner Outboard 40B HP Lower Unit Gearcase 20" Longshaft679-45300-10-F6 Yamaha Mariner Outboard 40B HP Lower Unit Gearcase 20" Longshaft679-45300-10-F6 Yamaha Mariner Outboard 40B HP Lower Unit Gearcase 20" Longshaft679-45300-10-F6 Yamaha Mariner Outboard 40B HP Lower Unit Gearcase 20" Longshaft679-45300-10-F6 Yamaha Mariner Outboard 40B HP Lower Unit Gearcase 20" Longshaft679-45300-10-F6 Yamaha Mariner Outboard 40B HP Lower Unit Gearcase 20" Longshaft
$299.99
This sale is for one used Yamaha Outboard lower unit.

Yamaha Part Number 679-45300-10-F6
Gearcase casting number: 679-00

It has been pressure tested and held at 18 psi. and refilled with gear lube

This is a fresh water part and has no corrosion.


The driveshaft measures approx 23 9/16" from the top of gear case to the tip and has 14 splines.

The prop shaft has 13 splines and they are not worn or damaged.

gears 13/26 2:1 ratio

This gear case is for use with some Yamaha & Mariner 40HP


You will receive this exact lower unit that you see pictured.


Please check your part numbers to ensure a proper fit for your application.

Thank you for shopping at Our store!






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