Description

Sierra’s 18-0720 Closed Dry Joint Gasket is designed for closed cooling (block off gasket). The gasket is designed to fit the following Mercruiser I/O models: 4.3L, 5.0L, 5.7L, 6.2L (utilizing the Dry Joint Manifold and Riser). It also fits GM V-6 and V-8 engines with Dry Joint Exhaust Manifold (2002 and newer). Used with the following Sierra products: 18-1843 Manifold, 18-1845 Riser, and 18-1842 V6 Dry Joint Exhaust Manifold.
Designed for closed cooling (block off gasket)
Fits the following Mercruiser I/O models: 4.3L, 5.0L, 5.7L, 6.2L (utilizing the Dry Joint Manifold and Riser)
Fits GM V-6 and V-8 engines with Dry Joint Exhaust Manifold (2002 and newer)
Used with the following Sierra products: 18-1843 Manifold, 18-1845 Riser, and 18-1842 V6 Dry Joint Exhaust Manifold