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Old 05-15-2017, 02:27 PM   #1
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Filter shelf life ?

Do oil filters,air filters or any kind of filter have a shelf life?
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Old 05-15-2017, 02:45 PM   #2
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I have been told by a Donaldson rep that seven years is about the maximum amount of time they are comfortable with.
Store them in minimum humidity.
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Old 05-15-2017, 11:28 PM   #3
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Originally Posted by CharleyL View Post
Do oil filters,air filters or any kind of filter have a shelf life?
Freightliner recommends a two year change out on air filters due to the possibility of the paper inside the filter deteriorating. The following is an excerpt from the RV chassis maintenance manual:

IMPORTANT: When first purchased, if the Recreational
Vehicle is older than the current model
year, replace the air filter.
Due to the variety of possible driving conditions
(dirt roads, paved roads, etc.), it is critical to
check the air restriction indicator, if so equipped.
If the vehicle is not equipped with an air restriction
indicator, inspect all components of the air
intake system and air filter every 12 months.
Replace the air filter every 24 months, or when
filter restriction reaches 25 inH20 (if equipped
with an air restriction indicator). More frequent
inspections and/or filter replacement may be
needed if your vehicle is being operated in a
dusty environment, to avoid damaging the
2017 Phaeton 40IH XSH Maroon Coral - Power Glide Chassis with IFS
Previously '15 Tiffin Allegro RED 38QRA and '06 Itasca Sunrise 35A
'16 Jeep JKU Wrangler Sahara or '08 Honda Goldwing
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Old 05-16-2017, 08:38 AM   #4
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I buy many filters ahead of usage. I then always seal the filter open ends with good tape and plastic. Then seal the box they come in. Filters last a long time. Store them out of sun light and heavy humidity. I've had some motorcycle oil filters last 10+ years, bought in bulk at very low prices.
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2015 Fleetwood Discovery 40E on a Freightliner XCS chassis with a Cummins ISL9 pulling 1 and/or 2 motorcycles, '07 Honda Accord OR a 17' Runabout Boat.
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Old 05-16-2017, 09:22 AM   #5
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Storing Spare Filters

Moisture would be the main concern. Sunlight, rodents, etc could also be damaging but we're assuming "normal" care & storage conditions. I carry spare fuel filters in case I ever encounter contaminated fuel. I'll still need a service center to drain & dispose of the bad fuel but I won't have to wait for them to locate a set of filters, regardless of how common they might be. To help ensure extended life in storage I vacuum seal them in a food vacuum storage bag. Be sure you don't deform any loose gaskets when doing this.
My spare serpentine belt is vacuum sealed as well. I don't keep a spare air filter & not sure how you'd vacuum seal that beast anyway. Most of my spares are stored under the main bed where moisture shouldn't be a problem but it's a peace of mind thing with me.
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Old 05-16-2017, 01:55 PM   #6
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Not sure about a shelf life. Why stock pile them. Oil filters are available everywhere for my Ford gasser and the Air filter is available from amazon for $15 delivered anywhere in the USA. Why stock pile and worry about humidity, Rats and mice. Nothing about filters is so critical that it can't wait 2 more days of use until amazon prime delivery.
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Old 05-16-2017, 01:57 PM   #7
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5 years if I remember correctly.
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2016 F250 6.7
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