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The Quicksilver 20295 Quad Ring (full OEM part number 25-20295) is a genuine Mercury Marine factory original equipment sealing ring designed for use at the heat exchanger to crossover connection on MerCruiser inboard engines. This is not an aftermarket substitute — it is an authentic Quicksilver OEM component manufactured to Mercury Marine's exact specifications.
Quad rings provide superior sealing performance compared to standard O-rings due to their four-lobed cross-sectional profile, which reduces friction and offers a more stable seal under pressure and temperature cycling — making them ideal for demanding marine cooling system applications.
Key Features:
This quad ring is an essential sealing component for MerCruiser cooling system maintenance and repair, helping prevent coolant leaks and maintaining proper engine operating temperatures.
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Great Price ! Thanks!!
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Easy and fast! Thanks!
Kirk B
Excellent price and very easy to order products.
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Coby H
You had the parts in stock on
Jeffrey H
Easy purchase, fast shipping!!!
Chris H
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