O-Ring - 18-7143-9 - Sierra
Price: $4.06
Save: $5.89
(59% Off $9.95)
Part # 18-7143-9
2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 48 mins.
No Reviews
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
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: