bing tracking image
  1. Anti-Sway Bars
  2. Newmar
  3. Bay Star Motorhome
  4. 2014
  5. Roadmaster
FITS 2014 Newmar Bay Star Motorhome
Roadmaster Rear Anti-Sway Bar - 1-1/2" Diameter
Roadmaster

Roadmaster Rear Anti-Sway Bar - 1-1/2" Diameter

In Stock
$1,075.00
Retail:$1,307.90
You Save: $232.90
Anti-Sway Bars
Confirmed to Fit
2014 Newmar Bay Star Motorhome

Ford - 20,500 GVWR

Will this fit?

To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.

zoom in icon
slider vertical icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

In Use/Installed

Customer Photos

Need help with installation?
Locate installers near me
Call etrailer.com at 1-800-940-8924 for expert service. We are your Newmar anti-sway bars experts, and offer a great price. etrailer.com carries a complete line of Roadmaster products for your Newmar Bay Star Motorhome 2014. Roadmaster Rear Anti-Sway Bar - 1-1/2" Diameter part RM-1139-145 from Roadmaster can be ordered online at etrailer.com. Complete anti-sway bars installation instructions and technical support.
  • All Info
  • Reviews (2305)
  • Q & A (0)
  • Photos
  • Used (1)

2014 Newmar Bay Star Motorhome - Roadmaster Rear Anti-Sway Bar - 1-1/2" Diameter

  • Anti-Sway Bar
  • Rear
  • Roadmaster
  • 1-1/2 Inch Diameter
  • Mounting Hardware Included
  • No Drilling Required
  • Fixed End Link

Minimize sway and driver fatigue by improving the stability and driveability of your Newmar Bay Star Motorhome. The bar on this sturdy, effective anti-sway system mounts to the rear axle and to the frame to balance weight transfer and reduce body roll.


Features:

  • Minimizes side-to-side movement to improve overall stability of your vehicle
    • Lets you execute turns and quick maneuvers with confidence
    • Allows for a level ride, even on irregular surfaces
    • Reduces driver fatigue - minimizes effort required to keep your vehicle in line
  • Diminishes effects of crosswinds, passing motorists and shifting cargo
  • Designed to fit your vehicle and work in conjunction with its suspension system
    • Attaches to rear axle and to chassis - uses weight of axle to brace frame as it shifts in turns
    • Engineered to avoid interference with most popular aftermarket add-ons and accessories
  • Made with polyurethane bushings instead of the standard rubber variety for a longer-lasting system
    • Polyurethane is durable and resistant to damage caused by oil, gasoline and ozone
    • Less wear means less give in the system and better support
  • Constructed of thick 4140 chromoly steel for superior strength
  • Includes heavy-gauge mounting hardware, easy-to-follow instructions and bushing lubricant
  • Made in the USA


Specs:

  • Bar diameter: 1-1/2"
  • Limited Lifetime Warranty


Roadmaster Anti-Sway Bar Installed

Benefits of an Anti-Sway System

The Roadmaster anti-sway bar does for side-to-side movement what a good pair of shocks does for up-and-down motion. You will notice a marked improvement in your vehicle's stability as the bar works to balance weight transfer and reduce body roll. The anti-sway bar acts as a link between your vehicle's frame and its rear axle, using the axle as a brace to more effectively balance the shifting weight of your vehicle as you maneuver it. Lubricated bushings allow just enough pivot and rotation to compensate for the pressure placed on one side of your vehicle when it goes into sudden maneuvers, hits crosswinds or encounters shifting weights.


Roadmaster Anti-Sway Polyurethane Bushings

Superior Construction

The Roadmaster anti-sway bar is made of 4140 chromoly, a chromium and molybdenum steel alloy. This type of steel is considerably harder and stronger than the standard 1020 steel that is typically used in anti-sway applications. In addition, the larger diameter of the bar increases its torsional roll stiffness. The result is a bar that is not only stronger than the competition, but also nearly 30 percent better at resisting sway. The polyurethane bushings and grommets used at the attachment points are durable yet flexible, ensuring that the system is neither so rigid nor so malleable that it becomes ineffective.



1139-145 Road Master Anti-Sway Bar - Rear

Item # RM-1139-145

Installation Details RM-1139-145 Installation instructions

California residents: click here


Customer Satisfaction Score:

Ratings & Reviews

4.8

2093 reviews
5 Stars
(1782)
4 Stars
(219)
3 Stars
(39)
2 Stars
(17)
1 Star
(36)
Minimize sway and driver fatigue by improving the stability and driveability of your vehicle. The bar on this sturdy, effective anti-sway system mounts to the rear axle and to the frame to balance weight transfer and reduce body roll.

by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:


25
2093
Show More Reviews

See what our Experts say about this Roadmaster Anti-Sway Bars

  • Recommended Anti-Sway Bar and Steering Stabilizer for 2015 F53 Chassis Motorhome
    On your 2015 Thor ACE motorhome on Ford F53 chassis, the size of the vehicle often will have the effects you mentioned. The best solution is to add Anti-sway bars and a steering stabilizer. I recommend adding the Roadmaster Rear Anti-Sway Bar for Motor Homes # RM-1139-145 first as the rear sway is what you feel the most when crosswinds and passing semi trucks come and this model is the correct fit for your vehicle weight. This system mounts to the rear axle and the frame to balance the...
    view full answer...
  • Replacement Bracket for Rear Anti-Sway Bar on a 2016 Coachmen Mirada
    Hey Gary, thanks for reaching out! What anti-sway bar do you have on your Mirada, and what replacement bracket are you needing?
    view full answer...
  • Recommended Anti-Sway Bars For A 2020 Tiffin Allegro Bus 40IP Class A Motorhome
    Hi Douglas, There are both front and rear anti-sway bars available for your 2020 Tiffin Allegro Bus 40IP on Tiffin's Powerglide chassis from Roadmaster. For The front you'll need part # RM97GR and for the rear part # RM99MR. If you're wanting to add in a steering stabilizer as well then you'll need the Roadmaster Exact Center Steering Stabilizer # RM73RR and part # RM49MR for the mounting brackets and
    view full answer...
  • Steering Stabilizer that Fits 2017 Newmar Baystar Sport
    Hey Brenda, we do have a Roadmaster Reflex steering stabilizer that fits your 2017 Newmar Baystar Sport with the part # RM-RBK22-RSSA. Is is wanting to wander when you are on the road?
    view full answer...
  • Recommended Front And Rear Anti-Sway Bars For A 2015 Thor Axis 25.2
    Hey Phillip, The 2015 Thor Axis 25.2 sits on a Ford E-350 Class A chassis so you would need the Roadmaster Front Anti-Sway Bar - 1-3/8" Diameter # RM-1139-189 and Roadmaster Rear Anti-Sway Bar - 1-5/8" Diameter # RM83ZR. These would both be simple swap outs without any need for modifications to the chassis in order to install. If you're wanting to also add in a steering stabilizer then you would need the Roadmaster Exact Center Steering Stabilizer for Ford E-Series # RM97MR along with...
    view full answer...
  • Rear Anti-Sway Bar for a 2012 Ford F-53 Motorhome
    Hey Salvatore, thanks for reaching out! We have some replacement rear anti-sway bars to fit your 2012 Ford F-53 chassis, but it doesn't look like Roadmaster has any end links that work with OEM sway bars - they only have bushing upgrade kits. If you're wanting/needing to upgrade the whole anti-sway bar then you'll need the following depending on the GVWR of your motorhome: - Under 33' and 18,000 lbs # RM-1139-146 - 18,001-21,999 lbs # RM-1139-145 - 1-3/4" Bar and Over 22,000 lbs #...
    view full answer...
  • Sway Bar and Steering Stabilizer Recommendation for 2018 Winnebago Vista F-53 Chassis
    Thanks for all of the info on your motorhome as that makes pick out the correct sway bars for it very easy. The correct rear sway bar for your 2018 Winnebago Vista on a F-53 18k chassis is the part # RM-1139-146. The correct front bar would then be the part # RM-1139-148. No extra or longer bolts would be needed. To complete your ride quality improvements you might also want a steering stabilizer like the part # RM-RBK22-RSSA which is a confirmed fit as well. With better sway bars and...
    view full answer...
  • Front and Rear Anti-Sway Bars for a 2019 Fleetwood Southwind 34C
    Hey Jim, thanks for reaching out! To add front and rear anti-sway bars to your 2019 Fleetwood Southwind 34C you'll need the following: - Front # RM-1139-148 - Rear # RM-1139-145 Please note that the rear will only fit if your shock mounts are parallel to the ground and have 2 holes, like what you see in the attached photo from Roadmaster.
    view full answer...
  • How to Improve Handling of 2020 Forest River FR3 34DS
    The biggest improvement you can make for the ride quality of your 2020 Forest River FR3 34DS that has a 20,500 lb GVWR is with a rear sway bar. For that you'd want the part # RM-1139-145. This will get rid of that boat feeling you described and will require much less steering corrections. Out of all of the suspension upgrades you can make to your motorhome this will give you the biggest improvement.
    view full answer...
  • Best Way to Reduce Sway in 2011 Forest River Georgetown 280DS on Ford F-53 Chassis
    While you can certainly add the SumoSprings Maxim Custom Helper Springs - Rear Axle # SSR-187-54-1 and SumoSprings Rebel Custom Helper Springs - 2 Piece - Front Axle # SSF-170-40-2 to your 2011 Forest River Georgetown 280DS built on a Ford F-53 chassis, by far the best way to enhance the ride of your motorhome is to add an aftermarket rear anti-sway bar, followed by a front anti-sway bar and steering stabilizer, in that order. The reason these are the best options is because they are...
    view full answer...
    Image 1 for
  • Best Upgrade to my 2015 31c Brave Motorhome to Improve Ride Quality and Drivability
    On your 2015 Winnebago Brave I recommend starting with the Roadmaster Rear Anti-Sway Bar part # RM-1139-145 this will help a great deal by adding an additional heavier sway bar to combat the side to side movement that is incredibly common when driving a motorhome. There is a notable difference in the ride after installation. The second thing I always recommend is the Roadmaster Reflex Steering Stabilizer with Mounting Brackets for Class A Motor Homes part # RM-RBK22-RSSA this will eliminate...
    view full answer...
  • How to Improve Ride Quality of 2019 VR Newmar built on F-53 Chassis
    For the Ford F-53 chassis that your Newmar is built on the best modification you can make to improve the ride quality and stability is with an upgraded rear sway bar with the Roadmaster part # RM-1139-145. But this kit only works if the shock mounts look like what I sent a picture of. If the air bag suspension kit is part of the factory suspension it would have to stay but if it was a supplemental suspension enhancement then it could be removed.
    view full answer...
    Image 1 for
  • Suspension Enhancement To Reduce Body Roll/Sway On a 2014 Forest River Georgetown Ford F-53 20,500LB
    To help reduce the body roll on your 2014 Forest River Georgetown motorhome on the Ford F-53 20,500lb chassis I recommend starting with the Roadmaster Rear Anti-Sway Bar # RM-1139-145. This will add a 2nd stronger rear sway bar to your Georgetown to greatly reduce body roll. You can also add the SumoSprings Maxim Custom Helper Springs # SSR-187-54-1 with the sway bar to improve the rear stability further. Currently SuperSprings does not offer an option like the Suspension Stabilizer # SSA25...
    view full answer...
  • How to Improve the Handling and Ride Quality of 2018 Forest River FR3 32DS Motorhome
    I did some research and your 2018 Forest River FR3 32DS is built on a Ford F-53 chassis and has a 20,500 GVWR. The F-53 chassis is notorious for the ride quality you described. The biggest improvement you'll make is with a rear sway bar, which for that you'd want the # RM-1139-145. Next biggest improvement will be with a front sway bar # RM-1139-148. SumoSprings will help too and are a solid choice. For that you'd want the # SSF-170-40-2 for the front and part # SSR-187-54-1 for the rear...
    view full answer...
    Image 1 for
  • Best Rear Anti-Sway Bar for a 2018 Forest River FR3 30DS
    The correct rear anti-sway bar for your 2018 Forest River FR3 30DS is the Roadmaster Rear Anti-Sway Bar for Motorhomes part # RM-1139-146. Your coach has a gross vehicle weight rating (GVWR) of 18,000 lbs which is why this is the correct anti-sway bar for you. The Roadmaster Rear Anti-Sway Bar for Motorhomes part # RM-1139-145 that you referenced only works with coaches that have a 20,500 lb GVWR which would be the Forest River FR3 32DS.
    view full answer...
  • Best Way to Reduce Sway for 2020 Thor Ace 33.1 Motorhome
    We have the parts you need for your 2020 Thor Ace 33.1 motorhome with a 20,500 lb GVWR to help with the sway to give you a more pleasant drive. The best way to do this is to add an aftermarket rear anti-sway bar because they are a vast improvement over the OEM sway bars and their placement at the rear of the vehicle allows for the greatest improvement in handling. After that you can further improve the ride by adding a front anti-sway bar and steering stabilizer; the combination of these...
    view full answer...
    Image 1 for
  • Best Suspension Enhancements for a 2018 Ford F-53 Chassis
    For your 2018 Forest River FR3 32DS on a Ford F-53 chassis, I recommend first adding a rear sway bar like the Roadmaster Rear Anti-Sway Bar for Motorhomes part # RM-1139-145. I would then recommend adding a steering stabilizer like the Roadmaster Reflex Steering Stabilizer with Mounting Brackets part # RM-RBK22-RSSA followed by a front sway bar like the Roadmaster Front Anti-Sway Bar for Motorhomes part # RM-1139-148. A rear sway bar will almost always be the first upgrade you want to...
    view full answer...
  • Sumo Springs VS Sway Bars on Ford F35 Motorhome
    It looks like your 2011 Georgetown 350TS sits on the Ford F53 chassis. (20,500 GVWR) Many F53 Users report sway in the ride. Yes, I would get the Roadmaster # RM-RBK22-RSSA Steering Stabliliser with mounting brackets. Next I would adding the Roadmaster # RM-1139-145 Rear anti-Sway Bar. If after trying those you feel you could use more control you could try front anti-sway or springs. I feel that the springs offer more verticle dampening whereas the sway bars have more horizontal control....
    view full answer...
  • Better Ride Quality and Handling for a 2015 FourWinds 31L Class C RV on Ford E450 V-10 Chassis
    Ideally we will get you the product that solves the problem you are having. Regular suspension enhancements help some but are not the ideal solution and are often only treating the symptom and not the cause when used on RVs. The single greatest upgrade you can make to the stability and ride quality of your Class C on the Ford E-450 chassis is to install a different rear anti-sway bar, # RM-1139-147. It is going to reduce sway (body roll), soft steering, and wind buffeting. For every 1/8...
    view full answer...
  • How Level Does the Roadmaster Anti Sway Bar Need to be For Installation?
    It's not overly critical no, ideally you'd want your Roadmaster Rear Anti-Sway Bar # RM-1139-145 to be as level as possible so if the lower hole is the closest to level then that would be the one you need to use. There are also two holes in the frame bracket hangar that can be used for additional adjustments if need be. I've included the optimal angle for install for you to reference as well.
    view full answer...
    Image 1 for
  • Which Rear Sway Bar for 2015 Winnebago Vista 35B on a 22k For F-53.
    You are right at the weight (22K) that means you can use either the part # RM-1139-149 which is for 22-24k motorhomes or the part # RM-1139-145 which is for 18-22k motorhomes. You can use either, but the higher rated one might be a bit stiffer feeling.
    view full answer...
  • Sway Bars and Steering Stabilizer Fits for 2019 Coachmen Mirada 32SS
    Your 2019 Coachmen Mirada 32SS is built on a Ford F-53 chassis that has a 20,500 GVWR so for a rear sway bar you'd want the part # RM-1139-145 and then for a steering stabilizer part # RM-RBK22-RSSA that you also referenced. For a front sway bar you'd then want the part # RM-1139-148.
    view full answer...
  • Recommended Rear Sway Bar for a 2017 Thor ACE 29.3 on a Ford F-53 Chassis
    In order to determine the correct rear sway bar for your 2017 Thor ACE 29.3 on a Ford F-53 chassis, you will need to take a look at the rear shock mounts. If the rear shock mounts have two holes and are parallel to the ground (see photo) then you will want to use part # RM-1139-145. If the rear shock mounts do not look like this then you are going to want to use part # RM-1139-146. I called my contact at Roadmaster to confirm this. I have attached an install video on each sway bar for...
    view full answer...
    Image 1 for
  • Rear Anti-Sway Bar for a 2020 Thor ACE 33.1 Motorhome on a Ford F-53 Chassis
    Ronnie, no the Extended End Link Kit for Roadmaster Sway Bar # 590067-00 is not going to work with your 2020 Thor ACE 33.1 Motorhome. For your Thor ACE on a F-53 chassis you can use the Roadmaster Rear Anti-Sway Bar # RM25VR for a 1 3/4" diameter bar and coaches over 22,000 lbs, # RM-1139-149 for a 1 5/8" bar and coaches over 22,000 lbs, # RM-1139-146 for a 1 1/2" diameter bar and coaches under 33' and 18,000 lbs, or # RM-1139-145 for a 1 1/2" bar and coaches between 18,001-21,999 lbs....
    view full answer...


< Previous



Do you have a question about this Anti-Sway Bar?


Used Items Available
Used Picture for Roadmaster Rear Anti-Sway Bar - 1-1/2" Diameter

Condition: Like New

Notes: May have damaged packaging or minor cosmetic blemishes.

$931.95
Add to Cart
Secure Checkout

Info for this part was:

Employee Jackie C
Expert Research:
Jackie C
Employee Michael H
Expert Research:
Michael H
Employee Jameson C
Expert Research:
Jameson C
Employee John H
Expert Research:
John H
Employee Adam R
Expert Research:
Adam R
Employee Jeffrey L
Expert Research:
Jeffrey L
Employee Lindsey S
Updated by:
Lindsey S
Employee Shelly K
Updated by:
Shelly K
Employee Wilson B
Updated by:
Wilson B
Employee Isabelle B
Updated by:
Isabelle B
Employee Sabrina W
Updated by:
Sabrina W
Employee Jeff D
Installed by:
Jeff D
Employee Joshua S
Video by:
Joshua S
Employee Kathleen M
Video by:
Kathleen M
Employee Jonathan Y
Video by:
Jonathan Y
Employee Jacob T
Video Edited:
Jacob T
Employee Dustin K
Video Edited:
Dustin K
Employee Chris R
Video Edited:
Chris R
Employee John S
Video Edited:
John S
Employee Randy B
Test Fit:
Randy B
Employee Brent H
Test Fit:
Brent H
Employee Shane H
Test Fit:
Shane H
Employee Robert C
Test Fit:
Robert C
Employee David F
Test Fit:
David F

At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.


Product Experts Available Now!
Call 1-800-940-8924
<