![Upper Unit Gear Set Upper Unit Gear Set](https://nauticalspareparts.com/540-home_default/upper-unit-gear-set.jpg)
Upper Unit Gear Set
Replaces: 43-55778A3
Mercruiser: 43-55778A3, 55766A2, 55766A3, 55778A3 |
Replaces: 43-75325A3
(1.84:1 Ratio) (Drive Gear = 17 teeth Driven Gear= 19 teeth)
For: V-6 and 470/485 (4 Cyl. etc.) and Gen II (S/N K999999 & BELOW)
3 and 5 days withing the EU, up to 10 days elsewhere.
Can be returned or exchanged, with conditions.
No customer reviews for the moment.