1209-131 - 1-1/2" Rear Auxiliary Anti-Sway Bar for Dodge/Mercedes Sprinter 3500 (2007-Current)

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Verified to have been manufactured in the USA

Part# 1209-131

Make sure that you DO NOT have a propane or water tank directly in front of the rear axle, if you do this bar WILL NOT fit.

We have found some Winnebago View models have additional frame reinforcements that do not allow the frame brackets to mount. Please review the instructions and compare to your chassis to make sure you don't have this interference.

Description:

Roadmaster anti-sway bars deliver a remarkable improvement in stability and vehicle control for today's most popular motorhome chassis. Kit #1259-131 is an inch and a half diameter and is designed to be used in conjunction with the factory box style anti-sway bar for improved stability and handling.

Designed for easy installation, Roadmaster anti-sway bars are made from cadmium plated 4130 chrome moly steel and ship complete with all necessary mounting hardware, polyurethane bushings and instructions.

Applications:

Dodge Sprinter 3500 (2007-2009)
Mercedes-Benz Sprinter 3500 (2010-2022)

Make	Model	Sub-Assembly	Year	Vehicle Type	Comments	Drill1	Re-place2	Time
Dodge	SPRINTER 3500	3500	07-22	Class C	Rear Aux sway bar 1 1/2 diameter retains factory bar.	yes	no	2.5 H
Freightliner	SPRINTER 3500	3500	07-22	Class C	Rear Aux sway bar 1 1/2 diameter retains factory bar.	yes	no	2.5 H
Mercedes-Benz	SPRINTER 3500	3500	07-22	Class C	Rear Aux sway bar 1 1/2 diameter retains factory bar.	yes	no	2.5 H

1 If 'yes' drilling is required to install this item. If 'no' use factory drilled holes.
2 If 'yes' this bar replaces the factory installed bar.

INSTALLATION INSTRUCTIONS

Will the 1209-131 work on my 2022 Tiffin Wayfarer? ( Robert , 11/07/2021 )

Roadmaster does show in their application guide that this kit will fit a 2022 Sprinter 3500. ( Support )

I have a 2008 Dodge/Mercedes Class B motorhome. I am searching for the best suspension upgrade. Do you have suggestions?

( Charlene Lovelace, 03/28/2021 )

The most popular suspension upgrade we offer for the Sprinter chassis is the Koni shock absorbers: https://www.ultrarvproducts.com/Koni-RV-Shocks/Koni-Shocks-Sprinter ( Support )

I have a 2015 Navion motorhome and am looking at the 1209-131 auxiliary sway bar. I have read in a forum that the washers on this kit are not strong enough and give after a few thousand miles. Has the kit been upgraded or will I need to change the washers? Also, I had installed the Timbren blocks and like those. Is this still compatible with that upgrade?

( Steven Foster, 10/28/2015 )

Steven,

The 1209-131 kit is compatible with the Timbren blocks, not a problem. I hadn't heard of the issues with the washers and I even contacted Roadmaster's head suspension engineer and he had never heard of this issue. If there is a problem it hasn't been reported back to Roadmaster it sounds like. I can tell you that we've sold a lot of these kits without hearing back from anyone regarding this problem.

( Support )

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