Welcome to Defender Canada! 
Sierra Mercruiser Open Dry Joint Riser Gasket - 18-0721
$94.18
Sierra Mercruiser Open Dry Joint Riser Gasket - 18-0721 Item # 1780792
Description
Features:
- Open Dry joint gasket
- Applications: Standard cooling-full flow gasket
Fits:
- GM V-6 & V-8 engines with dry joint exhaust manifold (2002 & newer)
- 4.3L, 5.0L, 5.7L, 6.2L utilizing the Dry Joint Manifold and Riser
Replaces:
- Mercruiser Stern Drive:
- 27-864547A02
- 27-864547A1