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

Mry Head Gaskt 135-150Hp - 18-3861 - Sierra

Mry Head Gaskt 135-150Hp - 18-3861 - Sierra
Your Price: $30.99
Save: $5.82
(15% Off $36.81)
Part # 18-3861 ValueShip™ Eligible
No Reviews  |  Write Review  |  Ask Question
This item is found in the following Product Families
Replaces OEM part #
  • MERCURY MARINE 27-18785-1

  • For: Mercury/Mariner Model 135,150,and XR4
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!