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Old 12-17-2017, 04:50 AM   #1
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Do fuel filters have a shelf life?

I have two Fleetguards that I have had as long as I have had the coach, about 7 years. They are still encased in the shrink wrap they ship in. Should I hold onto them or toss?
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Old 12-17-2017, 05:01 AM   #2
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Read post #4 here http://www.irv2.com/forums/f123/how-...rs-189150.html ....and if use use the google search bar, there is a lot of reading on this.......
If the have been stored in good climate conditions and no rust is present on top.....I would not have a problem using them.......get them used up soon though.
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Old 12-17-2017, 09:07 AM   #3
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Officially yes, but I agree with palehorse89.

Have you never changed the filters, or simply always had new ones installed? Best practice is to buy new ones when you install the ones on hand. That way the spares are always fresh.
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Old 12-17-2017, 09:17 AM   #4
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I vacuum seal my filters, extending the shelf life. An inexpensive vacuum sealer from Walmart comes in very handy in the RV.
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Old 12-17-2017, 09:25 AM   #5
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I just installed a 17 year old Mobil diesel filter about 7 Months ago. No problems and the filter still looked new with no flaking etc.

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Old 12-17-2017, 09:50 AM   #6
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Read post #4 here http://www.irv2.com/forums/f123/how-...rs-189150.html ....and if use use the google search bar, there is a lot of reading on this.......
If the have been stored in good climate conditions and no rust is present on top.....I would not have a problem using them.......get them used up soon though.
Thanks for that link. That pretty much settles it for me.
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Old 12-17-2017, 10:00 AM   #7
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I buy my filters off e-bay by the 1/2 dozen for max discount and use about 1 fuel filter a year so sometimes I carry a 6 year supply under the back seat.
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Old 12-17-2017, 10:51 AM   #8
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Moral of the story.

Everything expires at some point. People included.

One exception. Twinkies.
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Old 12-17-2017, 11:28 AM   #9
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Ever heard of new old parts? Why would they expire?
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Old 12-17-2017, 11:29 AM   #10
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What settled it for me was Big Mike at Camp Freightliner 1 class. He said they expire in the sense that the glues and such holding them together will deteriorate. He said sealing them with a cheap Walmart food sealer will extend their life. Don’t forget to include belts in the sealing discussion. What really drove the point home was Big Mike showed us a bad air filter that age deteriorated where part of the filter went into the engine resulting in the engine needed to be partially rebuilt. The filter is MUST less costly than engine problems. Easy decision for me.
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Old 12-17-2017, 11:37 AM   #11
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Quote:
Originally Posted by Fyrflie View Post
Moral of the story.

Everything expires at some point. People included.

One exception. Twinkies.
McDonald's burger's...........
McDonald’s Burger Looks the Same – 14 Years Later | TIME.com
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Old 12-17-2017, 12:45 PM   #12
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Been using new old parts and filters for 30 years. I just put everything in freezer bags.
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Old 12-18-2017, 10:39 AM   #13
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What really drove the point home was Big Mike showed us a bad air filter that age deteriorated where part of the filter went into the engine resulting in the engine needed to be partially rebuilt.
That's a bit misleading, I think. The filter in question was an air cleaner that had been in place and in use for some years. Not really comparable to a "shelf life" concern. However, the point still holds that some materials do age and can fail for reasons other than wear & tear.
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Old 12-29-2017, 03:56 PM   #14
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Always let my Fruitcakes age at least three years before eating. Yum yum!

As for carrying spare filters and Serp, they are vacuum sealed.
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