Cyber Weekend Sale - Crazy Deals with Savings Up to 75% Off!

O-Ring - 18-7143-9 - Sierra

O-Ring - 18-7143-9 - Sierra
Your Price: $4.27
Save: $3.78
(46% Off $8.05)
Part # 18-7143-9 ValueShip™ Eligible
SHIPS TODAY!* if ordered in 2 hrs 27 mins.
No Reviews  |  Write Review  |  Ask Question
This item is found in the following Product Families
Dimensions ( in )
I.D. 1.310
Width .100

Transom Mount ( Cobra )Manifold Block Seal
Engine 262-460 , Year 1988-90
Engine 2.3-7.5 , Year 1986-90

Replaces OEM part #
  • OMC 322501
  • MERCURY MARINE 25-65936
  • VOLVO 3852169
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:
Don't forget to shop for next season! Check out our End of Season Deals!