Shopping from Canada? 
Go to Defender Canada!
Sierra
Sierra Mercruiser Dry Joint Spacer Kit - 3" - 18-1844K
Item: #1780829 | Part Number: 18-1844K$601.99
Description
The Sierra Mercruiser Dry Joint Spacer Kit 18-1844K simplifies sterndrive and inboard engine installation by providing a clean, reliable seal with standard cooling. Designed for direct-fit replacement, it exceeds OEM quality and reduces installation complexity. Ideal for V-6 and V-8 Mercruiser engines from 2002-2016.
Sierra Mercruiser Dry Joint Spacer Kit - 3" - 18-1844K Item # 1780829
Description
Features:
- All in One Kit Reduces Complexity and Allows for Easy Installation
- Standard Cooling
- Direct Application Fitment to Exceed OEM Quality
Compatibility:
- 2004-2016 sterndrive V-6 & V-8 (305, 350 & 377 cid) non-EC engines (s/n 0W310000 and up)
- 2002-2016 inboard V-8 (350 & 377 cid) non-EC engines (s/n 0M390000 and up)
Replaces:
- 864929A2
Included:
- Open Riser Gasket (18-0721)
- Closed Riser Gasket (18-0720)
Part Numbers for Sierra Mercruiser Dry Joint Spacer Kit - 3" - 18-1844K
Reviews
Rated 1 out of
5
by
Shawn from
Unhappy Customer
The advertised product came shipped with incorrect gaskets. The kit advertised should have came with one set of open gaskets and one set of restricted. The kit shipped to me came with one open set and one closed. Not what was ordered.
Date published: 2025-09-28