Thread: Mercury water sepperator.
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Unread 07-24-2019, 08:17 PM
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spareparts spareparts is offline
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Join Date: Oct 2006
Location: Raleigh, NC
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you should be fine with the 25 micron, 10 micron is for newer fuel injected engines and have become the industry standard. Next time you change the filter, get the sierra 18-7945, usually sells for less than $10
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