This may of interest to some, I take a clean glass jar and pour the old fuel from the old filter in it, then set it down and wait a while then hold it up to the lite and you can see if there is any water in your system or other dirt. This tells you how dirty your fueling stations are. I have sometimes change places where i get my fuel. Bill

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94 dodge cummings,86 ford 6.9,75 mbz 240d[ sold], 82 mbz 300sd,83 mbz 300sd