OS Lower Unit

New OS Lower Unit from Japan

This is considered one of the best lowers you can buy.

Our outboard kits are designed for this unit.

Includes complete ready to use lower unit with:
Flex shaft and tube installed
Propshaft installed
Brass water pickup included

OS 21XM and NovaRossi 3.5cc engines will bolt directly on

Requires electric adapter for 36-40mm motors
Add adapter for only $30 below ($5.00 savings)



  • Model: 3491
  • Shipping Weight: 0.5 lbs
  • 1 Units in Stock

Ask a Question

Starting at: $209.00

Please Choose:

Add to Cart:

This product was added to our catalog on Thursday 09 November, 2023.