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Old 12-02-2022, 03:53 PM   #1
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Updated Monaco Knight Control Arms

I am looking for a used pair of (Updated) control arms for my 2003 Monaco Knight 36PBD. I am not sure if the ones that are on my rig have ever been updated, but they are the old style and I need the newer Heavy duty ones.
It is a R4R or R4RR Roadmaster chassis.
Thanks for reading.
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Old 12-02-2022, 04:26 PM   #2
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Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
Posts: 54,755
Hi ! Welcome to IRV2! We’re sure glad you joined the gang here!

Have fun and keep her between the ditches!

Good luck, happy trails, and God bless!
Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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Old 12-02-2022, 07:43 PM   #3
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Are you referring to the rear trailing arms? I doubt you will find anything used. Why would anyone have a set? You could try one of the MH wreckers. Not sure they would know if the arm was oem or aftermarket.
2008 Dynasty 42' Diamond IV
1988 Bluebird PT38
2009 Silverado Toad
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Old 12-03-2022, 06:14 AM   #4
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I agree with your comment.
But, I have played with old cars for many years and it is amazing what people have laying around or on an old vehicle in their yard.
I am also checking with a few RV bone yards trying to get lucky.
New ones are VERY expensive.
Thanks for the response.
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Old 12-03-2022, 06:24 AM   #5
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Yes, welcome.

And, suggest you edit your original post title to say "trailing arm".

And many other Monaco product with the 4 bag suspension will have the same trailing arms:

Monaco Knight 2002-2004
Monaco Cayman 2002-2009
Holiday Rambler Ambassador 2002-2004
Holiday Rambler Neptune 2002-2009
Safari Cheetah 2002-2006
Safari Zanzibar / Sahara 2002-2005
Safari Simba RD All Years
Beaver Baron All Years
Brett Wolfe
Ex: 2003 Alpine 38FDDS. Ex: 1997 Safari Sahara. Ex: 1993 Foretravel U240
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Old 12-03-2022, 10:27 AM   #6
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MH salvage prices aren't like you pull it prices ,especially harder to find parts plus difficulty of removal, disabling ability to roll it after that. But I hope you get lucky. From what I think I read the first recall replacement Monaco trailing arms were not much better than originals. The Source Engineering arms have good decals installed , at least my friends arms do. Source shape is definitely different. Those may help to identify the ones you want.
There's not better spent to upgrade them due to reliability and safety standpoint.
95 Monaco Crown Royale
M11 400hp, 4060 trans.
Aquahot, Generac Guardian7.5k
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Old 12-03-2022, 04:00 PM   #7
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Source engineering has a picture but I don't know to put it here so here is a link. Maybe the picture will help you tell if you have their arms.

Source Engineering Inc | Custom RV Chassis | Eugene, OR
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Old 04-18-2023, 05:48 AM   #8
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R4R and RR4R Chassis Safety Update

Here is the R4R and RR4R Chassis Safety Update message that was left in our Cayman Manual Binder

See attachments please.
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ID:	390676  

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