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Old 11-11-2024, 05:50 PM   #1
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Post 2001 Newmar Mountain Aire DP4095 Spring Air Bag

For my 2001 Newmar Mountain Aire DP4095 I’m looking for new front spring air bags to replace the old worn out ones.
Does anybody have recommendations for parts to order? My Newmar MADP4095 is riding on a Spartan chassis.
I’m looking for the appropriate parts number and contact information for ordering. However, I would prefer aftermarket ones but don’t know if aftermarket’s are available at all.
Any help is highly appreciated.
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Old 11-20-2024, 07:17 PM   #2
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I have a 2003 Newmar Dutch Star and got my bags from these guys. https://spartanrvchassis.com/owners/parts/ Get a hold of them and they'll help you. I have the part# they gave me for the front and rear bags in the shop but don't know if they are the same as yours. If you need them let me know. Rears were $272 US each. Fronts were more, think I have the price in the shop.
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Old 11-20-2024, 07:48 PM   #3
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Quote:
Originally Posted by jahilmerich View Post
For my 2001 Newmar Mountain Aire DP4095 I’m looking for new front spring air bags to replace the old worn out ones.
Does anybody have recommendations for parts to order? My Newmar MADP4095 is riding on a Spartan chassis.
I’m looking for the appropriate parts number and contact information for ordering. However, I would prefer aftermarket ones but don’t know if aftermarket’s are available at all.
Any help is highly appreciated.

From reading this forum for many years, the Spartan factory has the best deal on air springs available.
I've read threads where someone installed off-brand air springs and were not happy with them.
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2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;GS Life member,FMCA" My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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Old 02-02-2025, 10:14 PM   #4
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The air bag will have all the part numbers on her, fairly easy to change take a picture of you linkage for replacement, any truck parts supplier will have the parts. It's a manufactures frame. If you don't know the chassis Mfg. look on the Axle, it will have the numbers on a tag usually midpoint of axle, Also when you buy from Newmar and places like Spartan or any Steeler ship, you will pay a lot more. as an example on my 05 Dutch star the ignition switch from Newmar is 85.00, Amazon 45.00, 17.00 at a parts store. 62-75 gmc headlite switch, 2005 head light 500.00 from Newmar 140.00 from Rock Auto the are from a 2000-2002 Lincoln sport. all lights have part numbers on them. Just Sayen
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Old 02-11-2025, 05:22 PM   #5
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Rear Air bags

Quote:
Originally Posted by 56Willys View Post
I have a 2003 Newmar Dutch Star and got my bags from these guys. https://spartanrvchassis.com/owners/parts/ Get a hold of them and they'll help you. I have the part# they gave me for the front and rear bags in the shop but don't know if they are the same as yours. If you need them let me know. Rears were $272 US each. Fronts were more, think I have the price in the shop.
I have a 2003 Newmar Dutch Star, I wanted to ask did you replace your own rear airbags? Looking for pointers
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Old 02-12-2025, 04:39 AM   #6
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Spartan rv will give you the part numbers


Just did this a couple weeks ago


Their price per bag was a lot more


Check Stengel Bros. they are good


The number you see on the rubber part is the number for the rubber bag only you need to get the assem part number


There are other suppliers as well


Only one supplier located in calf had stock on my drive axle bag


Do a search your computer is your best friend
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Old 02-12-2025, 10:04 AM   #7
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Originally Posted by Qstaar17 View Post
I have a 2003 Newmar Dutch Star, I wanted to ask did you replace your own rear airbags? Looking for pointers
Yes I replaced my own. I dumped the air, raised the rear with the jacks, put safety stands in appropriate places and started to unbolt the bags and remove the air lines. Two bolts will have to be accessed through the wheel wells, a little challenging alone, but I got them. Make sure to remove the leveling valve rod and don't mess with the valve. I messed with the valve and had to replace it also (Amazon). My new bags had a plastic mount instead of the original aluminum mount. Just found out a few weeks back that the plastic mount bags need a 10" disc of ~1/4" plate underneath for support. I had 1/4" aluminum so I cut 2 base plates out of that just this week. Will need to unbolt the bags this spring and insert plates. Only thing that was a challenge was to get my 63 year old fat ass under there. All in all it was not bad. Pictures are just for reference. I like to take pics before I start so I can look back and see how it was, if I forget. Good for reference when you put something together on the bench before installing. Fitting, bracket angles etc. PS. installing a new leveling valve may be a good thing. If yours is original, it's only a matter of time. I have the Amazon part# somewhere if you need it.
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Old 02-12-2025, 01:45 PM   #8
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Here's a pic of the 10" disc. Still needs to be finished and painted.
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Old 02-12-2025, 08:55 PM   #9
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There should be a sticker on one end-plate of the air spring with make, model numbers. Downside spring must be removed to view sticker.
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2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;GS Life member,FMCA" My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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Old 02-12-2025, 11:27 PM   #10
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Thank You

Quote:
Originally Posted by 56Willys View Post
Yes I replaced my own. I dumped the air, raised the rear with the jacks, put safety stands in appropriate places and started to unbolt the bags and remove the air lines. Two bolts will have to be accessed through the wheel wells, a little challenging alone, but I got them. Make sure to remove the leveling valve rod and don't mess with the valve. I messed with the valve and had to replace it also (Amazon). My new bags had a plastic mount instead of the original aluminum mount. Just found out a few weeks back that the plastic mount bags need a 10" disc of ~1/4" plate underneath for support. I had 1/4" aluminum so I cut 2 base plates out of that just this week. Will need to unbolt the bags this spring and insert plates. Only thing that was a challenge was to get my 63 year old fat ass under there. All in all it was not bad. Pictures are just for reference. I like to take pics before I start so I can look back and see how it was, if I forget. Good for reference when you put something together on the bench before installing. Fitting, bracket angles etc. PS. installing a new leveling valve may be a good thing. If yours is original, it's only a matter of time. I have the Amazon part# somewhere if you need it.
Much Appreciated
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Old 02-12-2025, 11:31 PM   #11
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I'll take that valve part # Please

Quote:
Originally Posted by 56Willys View Post
Yes I replaced my own. I dumped the air, raised the rear with the jacks, put safety stands in appropriate places and started to unbolt the bags and remove the air lines. Two bolts will have to be accessed through the wheel wells, a little challenging alone, but I got them. Make sure to remove the leveling valve rod and don't mess with the valve. I messed with the valve and had to replace it also (Amazon). My new bags had a plastic mount instead of the original aluminum mount. Just found out a few weeks back that the plastic mount bags need a 10" disc of ~1/4" plate underneath for support. I had 1/4" aluminum so I cut 2 base plates out of that just this week. Will need to unbolt the bags this spring and insert plates. Only thing that was a challenge was to get my 63 year old fat ass under there. All in all it was not bad. Pictures are just for reference. I like to take pics before I start so I can look back and see how it was, if I forget. Good for reference when you put something together on the bench before installing. Fitting, bracket angles etc. PS. installing a new leveling valve may be a good thing. If yours is original, it's only a matter of time. I have the Amazon part# somewhere if you need it.

I believe you when you said I'll need that valve, if you have that Amazon part number, I'll take it, thanks
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Old 02-13-2025, 01:56 PM   #12
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I believe you when you said I'll need that valve, if you have that Amazon part number, I'll take it, thanks
I can't vouch for this valve as I did not install it. I have it as a spare. I had to go buy one at a local shop because I could not wait for it. The one from the local shop was not plug and play so I had to move some lines. https://www.amazon.ca/dp/B00IVQNER6?...fed_asin_title
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