Keep Summer Going Strong with our August Sale Savings up to 50% OFF!

2 Ring Standard Bore Inline Piston Kit - 18-4623 - Sierra

Save 31% Off.
2 Ring Standard Bore Inline Piston Kit - 18-4623 - Sierra
Savings Sale Price: $109.79
Save: $49.76
(31% Off $159.55)
Part # 18-4623 ValueShip™ Eligible
No Reviews  |  Write Review  |  Ask Question
This item is found in the following Product Families
Replaces OEM part #
  • MERCURY MARINE 777-815965T4
    70-115 HP, 3-4 Cyl., 3.375/Std bore
    18-4623 Piston - replaces O.E.# 777-815965T4
    18-3979 Piston Ring - replaces O.E.# 39-96170A12
    Wrist Pin ( Not Sold Separately)
    18-4294 Circlips - replaces O.E.# 40-52035
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? has teamed with a national network of independent installers that are ready to handle your installation needs.
Find your local Amtech dealer:
Save More Now and Keep the Summer of Boating Fun Going Strong!