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Sierra 18-1221-9 is a replacement thermostat retainer gasket designed for Johnson/Evinrude V-4 and V-6 Loop Charge outboard engines. Sold as a pack of two gaskets, this aftermarket part is a direct replacement for OEM part number 330273 and is also interchangeable with GLM part number 46110.
These gaskets are built using marine-grade materials and are engineered to meet or exceed original equipment manufacturer (OEM) specifications, ensuring a proper seal and reliable performance in demanding marine environments.
Key Features:
Sierra International has supplied quality aftermarket marine parts for over 50 years. The 18-1221-9 retainer gasket is an easy, cost-effective way to restore engine sealing performance and maintain your outboard's power and efficiency.
Super easy and fast way to order
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Fast shipping. Got the package on time
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I ordered the wrong part
Herbert M
Great and trustworthy
muthu K
Thank you for the great customer service!
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