New Sierra 18-0721 marine dry-joint riser gasket. Open style (two water passages). Each purchase is for one gasket.

Interchange

• MerCruiser/Mercury 27-864547A02, 27-864547A1

Features

• Description: Dry joint gasket (open)
• For: Standard cooling-full flow 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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