New Sierra 18-0720 marine dry-joint riser gasket. Closed style (blocked water passages). Each purchase is for one gasket.

Interchange

• MerCruiser/Mercury 27-864549A02, 27-864549A1

Features

• Description: Dry joint gasket (closed)
• For: Closed cooling-block off gasket
• Fits: GM V-6 & V-8 engines with dry joint exhaust manifold (most 2002 & newer)
• Fits: 4.3L, 5.0L, 5.7L, 6.2L utilizing the Dry Joint Manifold and Riser

About Sierra
Sierra provides premium-quality aftermarket replacements for over 6,000 marine parts, tools, and components. Sierra products are engineered to meet or exceed OEM standards, and stand up in harsh marine environments. Every new Sierra part comes with a limited lifetime warranty that covers the useful life of the product against any defects in workmanship and materials.

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