Vetus STM3690 fuel filter

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Whitehice
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Vetus STM3690 fuel filter

Post by Whitehice » Thu Apr 12, 2018 1:06 pm

Hi, feel a bit silly asking this but the above filter comes with a rubber o ring and I am not sure where it goes. The main gasket is obvious but this one is not. The filter is black with white plastic drain nut. My engine is 3.09.can anyone shed light on this?

dj7613
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Re: Vetus STM3690 fuel filter

Post by dj7613 » Thu Apr 12, 2018 5:42 pm

When you take your old one apart you should be able to find it if you look carefully. I wonder if it is a spare for the drain nut end?

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