This product is currently out of stock. As inventories are updated it will again be available for purchase.
Upper Gear Kit - 18-6351 - Sierra
Price: $299.95
(Out of stock)
Save: $103.04
(25% Off $402.99)
Part # 18-6351
No Reviews
(Out Of Stock)
This item is found in the following Product Families
Replaces OEM part #
  • MERCURY MARINE 43-853641A2
For: Mercruiser Alpha I (Gen II) (1998-up) Serial Number range 0L100040-UP, for gear ratios 1.47:1 (20-22 Teeth).
This product ships in 3 business days.
Add to Cart and enter your Postal Code to determine the shipping charges.
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? has teamed with a national network of independent installers that are ready to handle your installation needs.
Find your local Amtech dealer: