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06-18-2017, 07:18 AM
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#15
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Senior Member
Join Date: Sep 2002
Location: seattle,wa USA
Posts: 1,025
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The air filter form my Cummins 5.9 24 valve is around $100. It's worth it to me to change it annually. It's easy to change and I don't need another huge engine repair bill if I can avoid it. As for the gen set, the air filter gets changed with the routine oil, oil filter service. Right at 5,000 hours on the gen set and continues to run without a hitch.
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Gary, Maxwell and the Beanie Weenie.
2002 Newmar Kountry Star. Cummins ISB 24 valve
2017 Mazda Miata MX-5 toad on a double axle car hauling trailer
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06-18-2017, 06:10 PM
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#16
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Senior Member
Join Date: Mar 2005
Location: Northern Oklahoma
Posts: 5,062
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Quote:
Originally Posted by Dutch Star Don
Occasionally, we do over 15K in a year. Those years, I change the filter once a year. Under that, I let them go two years.
NEVER blow out a diesel filter and reinstall. I poster last week said he blew his filthy Onan filter out and then put it back. You'll contaminate the clean side and ruin an engine.
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Don, when you change the engine air filter do you find it easier to leave the large rubber hose connected to the engine, or remove it with the filter? It looks like there is only 2-3 inch space to lift the filter off the engine so didn't know which way was the best, or easiest.
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06-18-2017, 06:34 PM
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#17
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Senior Member
Join Date: Jan 2014
Posts: 4,669
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Just got my annual service done on my Discovery. I got 3 quotes. One from Cummins Power South, one from Freightliner and one from an independent shop that was recommended to me. They all said the same thing, every 2 years on the engine air filter, unless the indicator shhows it should be replaced sooner.
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2023 Winnebago Travato
2023 Airstream Flying Cloud BH 30'
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06-18-2017, 07:01 PM
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#18
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Senior Member
Country Coach Owners Club Newmar Owners Club Freightliner Owners Club
Join Date: Apr 2013
Location: Portland
Posts: 278
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Tried Speedco this year for the annual maintenance. Unfortunately, not all Speedcos are the same. They did not have an air filter nor were they interested in ordering one for me. Seems the one in Oregon is geared towards truckers mostly. So, I call Cummins locally and I'm having one shipped to me. Question is, do I want to do this myself? No, if Speedco could have done it. Yes, maybe, if I don't have to go back to another repair/service shop this year 
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2015 Newmar Dutch Star 4366 pulling a 2014 Dodge Ram Truck
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06-18-2017, 08:52 PM
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#19
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Senior Member
Join Date: Mar 2005
Location: Northern Oklahoma
Posts: 5,062
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Is there any place in particular that is best, or even good, to order the air filters for the 8.9 Cummins engines?
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06-21-2017, 08:20 AM
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#20
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Member
Join Date: Jun 2014
Location: On the Road
Posts: 39
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Quote:
Originally Posted by wagonmaster2
Is there any place in particular that is best, or even good, to order the air filters for the 8.9 Cummins engines?
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Just do a Google search for the Fleetguard filter number. I bought mine from https://puredieselpower.com for my ISL. I usually check prices from several shops before I order.
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2019 Grand Design Solitude 344GK
2018 Chevy Silverado 3500 LTZ Duramax
www.roadtripimages.com
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06-21-2017, 12:09 PM
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#21
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Senior Member
Join Date: Nov 2005
Posts: 7,400
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Air filters and tires are not like fine wine--they do not improve with age. Yup--you might could save a few bucks on the internet but make sure you are not getting a "well aged" filter out of somebody's dusty old shelf stock........
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Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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06-21-2017, 07:17 PM
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#22
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Senior Member
Country Coach Owners Club Newmar Owners Club Freightliner Owners Club
Join Date: Apr 2013
Location: Portland
Posts: 278
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2015 Newmar Dutch Star 4366 pulling a 2014 Dodge Ram Truck
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06-21-2017, 08:38 PM
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#23
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Senior Member
Country Coach Owners Club Newmar Owners Club Freightliner Owners Club
Join Date: Apr 2013
Location: Portland
Posts: 278
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And here is a nice link to a DIY blog for replacing a filter like the one in the photos above.
Diesel Pusher Maintenance - Air Filter Change - JdFinley.com
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2015 Newmar Dutch Star 4366 pulling a 2014 Dodge Ram Truck
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06-21-2017, 09:45 PM
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#24
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Senior Member
Join Date: Mar 2005
Location: Northern Oklahoma
Posts: 5,062
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Quote:
Originally Posted by Tobias7000
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What is the part number for the filter on a 2015 Dutch Star? And will you leave that large rubber tube connected to the filter or leave it attached to the engine? It doesn't look like there's much room to lift the filter off the engine, and that rubber connection feels like it's very stiff.
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06-21-2017, 10:40 PM
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#25
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Senior Member
Country Coach Owners Club Newmar Owners Club Freightliner Owners Club
Join Date: Apr 2013
Location: Portland
Posts: 278
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Quote:
Originally Posted by wagonmaster2
What is the part number for the filter on a 2015 Dutch Star? And will you leave that large rubber tube connected to the filter or leave it attached to the engine? It doesn't look like there's much room to lift the filter off the engine, and that rubber connection feels like it's very stiff.
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Part # in last photo. 62891-001. It does not look easy but I'll give it a shot.
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2015 Newmar Dutch Star 4366 pulling a 2014 Dodge Ram Truck
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06-22-2017, 06:14 AM
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#26
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Senior Member
Newmar Owners Club
Join Date: Mar 2016
Location: The Great Outdoors, RV Resort, Florida
Posts: 748
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Quote:
Originally Posted by wracinti
Seems to me if the concern is the air filter paper falling apart they should come up with a better design.
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I wander if K&N makes these filters? They are washable and reusable. No paper.
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06-22-2017, 02:28 PM
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#27
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Senior Member
Join Date: Sep 2010
Posts: 4,515
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We have a 04 Essex with a 500 ISM and in 2006 we put a AFE air filter because at that time K&N wasn't making them. AFE is just like a K&N and was started by K&N people. That was 125K miles a go with trips to Alaska and most states in US. There will be a lot of of negative talk about K&N but with paper filters coving a part and cost they are the way t go. One always has to watch the rubber hoses and clamps.
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06-22-2017, 02:52 PM
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#28
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Senior Member
Join Date: Oct 2014
Posts: 101
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Quote:
Originally Posted by Buly
I wander if K&N makes these filters? They are washable and reusable. No paper.
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K&N does for my ISC and they are washable. Also read a review from another ISC owner that it upped the performance and squeaked out a little better fuel mileage. Just replaced mine, but will look into a K&N next time...
Cheers,
Don
__________________
'08 Newmar Ventana 3960
Spartan Mountain Master
2004 GMC Canyon Towed
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