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Old 01-20-2022, 06:46 PM   #1
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National RV Owners Club
Join Date: Jul 2016
Posts: 3
03 National Tradeswind M395 Replacement Shocks

Has anyone that has a Spartan Summit Chassis with IFS 1050 front end replaced shocks with Koni shocks? The vin tag for the chassis says 2002.

I think I got the rear part number for Koni figured out 8805 1022 . I can not confirm the front ones really anywhere. The part number off the front shock is bilstein F4-BE5-6078-HO. Any ideas?
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Old 01-28-2022, 08:53 AM   #2
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Spartan Chassis
Join Date: Jun 2021
Posts: 193
Our '01 Marlin 390 has the 1050 front end. You're correct on the rears, and from what I can determine, Koni makes a 99B 3254 for the front.
I have not purchased new ones yet, so if you do before I do, please let us know how it works out.
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Old 01-30-2022, 06:27 PM   #3
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Perfect. Yeah I will post back here once i do it. I'm pretty sure that's the correct front koni part number after a pile of research. Will be a couple months here still.
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Old 04-20-2022, 08:25 AM   #4
Join Date: Apr 2017
Location: Wellton/Yuma
Posts: 33
I have replaced shocks on the IFS1050 front end

I had problems with the original shocks not performing to my satisfaction. My Bilsteins both failed within a couple thousand miles and the Monroe’s I tried were not what I expected. Koni does not spec a shock for the IFS 1050 . So with much difficulty I speced out what I thought would be a Koni shock that would satisfy my expectations. I ended up with Koni shocks specked to a Bluebird Wanderlodge. I did have to trim the dust covers “cans” due to a very slight interference with the frame at full bag deflation. Extremely pleased describes the result. I have the same Summit chassis with the Cat. Look back at my previous post regarding shocks for the Koni pert numbers I used. Although it doesn’t handle like a European sports car it’s close.
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ace, national, replace, replacement, shocks, wind

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