4th of JULY SALE - Save an Extra 10-50% Off!
Fantastic Savings Everywhere!

Alpha Lower Unit Gear Set - 18-2206-1 - Sierra

Sierra
Blowout
Save 16% Off.
Alpha Lower Unit Gear Set - 18-2206-1 - Sierra
Meltdown Sale Price: $448.47
Save: $85.53
(16% Off $534.00)
Part # 18-2206-1
SHIPS TODAY!* if ordered in 7 hrs 8 mins.
No Reviews | Write Review | Ask Question
This item is found in the following Product Families
Alpha Lower Unit Gear Set - Sierra
Mercruiser MR, Alpha Gear Housing Components Exploded View
Mercruiser Gear Housing Components Exploded View Diagram and Parts Fits MR / Alpha Figure # Description O.E.M. # Sierra # 1 Gear Housing 18-2401 2 …
Mercruiser Gen II Lower Gearcase Assembly Exploded View
Mercruiser Lower Gearcase Assembly Exploded View Diagram and Parts Fits Generation II Figure # Description O.E.M. # Sierra # 1 Gear Housing 1623- …
Replaces OEM part #
  • MERCURY MARINE 43-17064A2
  • MERCURY MARINE 43-17064A3
  • MERCURY MARINE 43-42934
For: Mecruiser 1996 & older serial number F679999 & lower.
Uses our 18-1173 forward bearing with 3.500 O.D.
Ask a question for
Question & Answer Guidelines
This product ships in 1 business day.

Add to Cart and enter your Postal Code to determine the shipping charges and estimated delivery date.
* Most products and orders leave our warehouse in 1 business day. However, select items may take more processing time. Alaska and Hawaii orders please add 1 additional warehouse processing day.
Standard Shipping Policies
Do you need Professional Installation? iboats.com has teamed with a national network of independent installers that are ready to handle your installation needs.
Find your local Amtech dealer:
Gear up for Summer Boating.
Extra 10-50% Savings during the 4th of July Sale!