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The Quicksilver 32652 Welch Plug is a genuine OEM replacement part designed for Mercury and MerCruiser marine engines. Welch plugs are used to fill the sand casting core holes found on water-cooled internal combustion engines, providing essential sealing for coolant passages within the engine block or cylinder head.
Key Features:
A welch plug is a thin piece of metal in a cup or dish shape which is used to block off a hole or opening on an engine block or cylinder head that was made in the manufacturing process. Also known as a core plug, freeze plug, or expansion plug, this component is essential for sealing coolant passages and maintaining proper engine cooling system integrity. Regular inspection and replacement of welch plugs during engine rebuilds or when corrosion is detected helps prevent coolant leaks and maintains optimal engine performance.
OEM Part Numbers: 32652, 19-32652
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I paid extra for 2 day expedited shipping. It finally arrived a week later.
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