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Sierra Marine Engine Couplers

4.0 out of 5 stars 4 Customer Reviews

Sierra Marine engine couplers are available in a variety of applications to drive your vessel efficiently. Offered individually and in kits, their couplers are manufactured from quality materials to provide hours and hours of time on the water. When it's time to replace a worn coupler, choose from the selection at Sierra Marine.

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Sierra Marine Engine Couplers 18-2171

Engine Coupler, Mercruiser, GM Engines, 6 Bolt Flange, Each

Part Number: RRA-18-2171

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

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