Engine circulating water pump for GM V6 and V8 small block marine engines.

GM Small Block Circulating Water Pump | Sierra 18-3599-2

• For GM V6 and small block V8 marine engines with stamped steel or composite timing covers
• This pump does not replace the engine water circulating pump used on 2007 and newer V6 4.3L engines without water bypass hole
• Includes pump mounting gaskets
• Pump is bi-directional
• Replaces Indmar 551045
• Replaces Crusader RA057027
• Replaces Mercury 17437, 8503991
• Replaces Pleasurecraft Marine RA057027
• Replaces Volvo Penta 3853850
• Replaces OMC 3853850
• Replaces Mallory 9-42606
• Replaces Sierra 18-3583, 18-3599, 18-3599-1

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