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  1. Vehicle Suspension
  2. Freightliner
  3. Sprinter
  4. 2015
  5. Timbren
FITS 2015 Freightliner Sprinter
Timbren Rear Suspension Enhancement System
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Timbren

Timbren Rear Suspension Enhancement System

Part Number: TMBRSP35A
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$398.07
Retail:$468.32
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Vehicle Suspension
Confirmed to Fit
2015 Freightliner Sprinter

3500

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The best technical support and full vehicle suspension installation instructions. Great price Sprinter vehicle suspension and expert service. Freightliner Sprinter, 2015 vehicle suspension by Timbren are available from etrailer.com. For expert service call 1-800-940-8924 to order your Timbren Rear Suspension Enhancement System part number TMBRSP35A, or order online at etrailer.com.
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2015 Freightliner Sprinter - Timbren Rear Suspension Enhancement System

  • Bump Stops
  • Towing/Load Leveling
  • Timbren
  • Extra Heavy Duty
  • Rear Axle Suspension Enhancement
  • Suspension Only

7,000-lb Capacity. These hollow rubber springs sit above the rear axle to help stabilize and level your Freightliner Sprinter. They also provide a more comfortable ride by absorbing road shock and improving roll stability. Easy to install and use.


Features:

  • Improves suspension, handling and safety
  • Provides additional support as needed so you always have a smooth, comfortable ride when towing or hauling gear
    • Allows the leaf spring ample movement while cushioning light loads
    • Becomes more rigid as more weight is added
      • Increases stability - providing great performance while hauling heavy loads
      • Reduces vehicle sag
  • Works independently - side-to-side
    • Helps compensate for off-center loads
    • Reduces body roll when swerving and turning corners
  • Acts as shock absorbers, taking the brunt of bumps and rough roads
    • Extends the life of your vehicle's suspension


Specs:

  • Includes 2 Aeon hollow rubber springs, vehicle-specific brackets and hardware for simple installation
    • Replaces axle bump stops on frame
    • No drilling required
  • Capacity: 7,000 lbs
    • Do not exceed the vehicle's weight-carrying capacity
  • Designed to work with a suspension system that is in good working order
  • Limited lifetime warranty - satisfaction guarantee


An example of sag on a vehicle's rear axle under a heavy load

Whether you're hauling heavy loads in your bed or cargo area or you're towing a trailer, you will often see the rear of your vehicle sag while the front end rises. In these cases, the rear axle is handling not only the weight of the cargo, but also more of the vehicle's weight. Because less weight is on the front axle, the front tires are making less contact with the road. Overall handling - traction, steering, and braking - is negatively affected. But the resistance from Timbren's Suspension Enhancement System works with your factory suspension to keep your vehicle level and improve your driving experience.


Diagram of the Timbren spring installed

The Timbren system comes with custom-fit brackets that are bolted onto each frame rail above the rear axle. Hollow rubber springs are bolted to the bottom of the bracket and hang down to where the bottom of the spring sits, 1" above the axle. The inch of clearance allows the existing factory suspension to operate normally under light loads and standard terrain, ensuring the smooth, comfortable ride that you are used to.


Animation of a standard Timbren rubber spring

Timbren Suspension Enhancement Systems are designed to work progressively. When the hollow rubber springs are compressed, the convoluted design causes them to quickly collapse along the folds. Once the folds are compacted, the stacked barrel shape increases resistance, stiffening the suspension and keeping your vehicle level.


Timbren suspension system works to prevent body roll

Each hollow rubber spring works independently to support the driver's side or passenger's side of your vehicle. This is helpful when you swerve or make sharp turns. Each spring is activated when it is needed, so body roll is greatly reduced. The independent action also works well when you are hauling off-center loads.


An example of a trailers swaying

Because the vehicle handles better with the springs, less turbulence will be passed along to the trailer, and this helps to keep the trailer in line. Your driving comfort is further enhanced if the trailer does begin to sway (from a gust of wind or a passing semi), because the movement from the trailer is not transferred to your vehicle. This also works to make the sway subside more quickly.


An empty truck on a bumpy road without Timbren

Another great feature of the rubber construction is that the springs absorb most of the road shock, creating a smoother, more stable ride overall when loaded. Wear and tear on the factory suspension is also lessened because the rubber springs work to prevent bottoming out on rough roads.


Timbren Suspension Enhancement Compared to the Competition

Timbren's Suspension Enhancement Systems are much easier to install than air springs - there are no air hoses to run, no compressors or gauges to hook up, and no manual adjustments to make. The rubber construction makes Timbren's springs more elastic than similar products constructed of microcellular urethane. And more elasticity allows for a more comfortable ride when loaded or towing because the rubber has more travel.



MBRSP35A - Rear Suspension Enhancement System with Aeon Hollow Rubber Springs by Timbren

Installation Details TMBRSP35A Installation instructions

Customer Satisfaction Score:

Ratings & Reviews

4.7

3517 reviews
5 Stars
(2801)
4 Stars
(455)
3 Stars
(113)
2 Stars
(67)
1 Star
(81)
7,000-lb Capacity. These hollow rubber springs sit above the rear axle to help stabilize and level your vehicle. They also provide a more comfortable ride by absorbing road shock and improving roll stability. Easy to install and use.

by:

Easy to install. You may need an impact wrench to break loose the u-bolts that have to be loosened.



by:

Fast shipping



by:

Worked better than I excepted. I have a old pickup with really tired suspension and this product made it better than new.



by:

Works great, easy install



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Worked excellent for trailering.



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So far so good works great, now let's see how long they last?



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Would be great to have better instructions and car specific.



by:

Fast delivery and easy installation



by:

I actually found that airbags worked better for my truck and trailer. I ordered those from you as well. May I return the Timbrens for at least partial store credit?



by:

Works great will never have air bags ag ain



by:

I have not fully loaded my Odyssey yet BUT compare to original “pacifiers” which are made from kinda tough popcorn, those timbers are looking reliable.



by:

Easy installation. Good quality.



by:

Installed this on my 2001 Explorer. Install is easy (assemble unit, bolt on in place of existing bump stop). Annoyed to find it doesn't fit. Specs are gap 1/2"-1-1/2"; there was a gap of 2-3/4". Yeah, they sell spacers for $27 each, but it's really annoying to buy a $225 product that says it fits your truck, only to find that you have to spend 50% more to actually adapt it to your truck!



by:

I’ve ordered a lot of things from this company over the years and they are always very helpful and very prompt the timbren suspension blocks have always worked great for me I’ve bought many sets over the years very easy to install



by:

Easy to install. Works as advertised. Etrailer rocks!



by:

Very easy to install. I got the product in two days. Love etrailer products. THANKS.



by:

Very easy to install took about 30 minutes. If it manages the weight of my trailer I will be more impressed with your product.



by:

Very easy installation!



by:

Shipping was fast, product looks to be well made.



by:

Fast shipping would definitely recommend



by:

Customer service was great. Fast delivery. Very easy to install. 35 minutes it was done.



by:

Easy installation and perfect fit!



by:

Very quick delivery, earlier than I expected. Easy to install. Just what was needed for rear weight support when pulling a trailer.



by:

Install was a breeze, can't wait to tow our camper with these babies on the Tundra



by:

Very poor packaging. The box is coming apart and USPS reinforced it. Found out this product doesn,t work on a 2018 Winnebago Intent. It will cost me almost $[XX] to return it.


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3517
Show More Reviews

See what our Experts say about this Timbren Vehicle Suspension

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    Hey Doug, our fitguide is sometimes a bit confusing, but the Timbren Rear Suspension Enhancement System # TMBRSP35A you were looking at fits the 2023 Mercedes Sprinter 3500xd AWD/4WD (fits 2wd or 4wd/AWD) if it is a motorhome. If it is not a motorhome, then you'll want the B version which is # TMBRSP35B (2wd or 4wd/AWD).
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    Thanks so much for reaching out to us. Do you have a 2-wheel drive model? also, do you have dual rear wheels?
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  • Do You Carry Super Springs Part Number SSA56 for My 2022 Mercedes Sprinter 3500?
    Hello Ed, I am sorry for the delay in response, we had quite the spike in questions recently. We do have the SuperSprings part number SSA56, it would be our part SuperSprings Custom Suspension Stabilizer and Sway Control Kit # SS69PV which I am showing will fit wonderfully on your 2022 Mercedes-Benz Sprinter 3500. The SuperSprings Custom Suspension Stabilizer # SS69PV will work with the Timbren bump stops # TMBRSP35A that you already have installed on the rear, the Hellwig Rear Anti-Sway...
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  • Best Suspension Upgrade for a 2023 Leisure Travel Van Unity 24RL on a 2022 MB Sprinter 3500 Chassis
    Hey Rick, thanks for the information! It looks like your 2023 Leisure Travel Van 24RL is a 2WD so that excludes the options for rear SumoSprings. Instead, I recommend the Timbren Rear Suspension Enhancement System item # TMBRSP35A. These are designed to stabilize your rear suspension and help you with that top heavy sway feeling. For the front end, you'll be able to use the SumoSprings Solo Custom Helper Springs item # SSF-106-47, you were looking at. These replace your existing bump...
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  • What Suspension Enhancement can I Add to My 2024 Mercedes-Benz Sprinter 3500 for Sway?
    Hello Mara, Happy to clarify the difference! The # TMBRSP35B is rated for 11K, while the # TMBRSP35A is rated for 7K. Timbrens are a great option, especially for someone who consistently hauls a heavy load. However, if you’re not carrying that kind of weight all the time, they can make your ride feel a bit harsh when unloaded. If you're looking for something similar to Timbrens but with a smoother, more forgiving ride when not under load, I’d recommend going with SumoSprings. Here are...
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  • Suspension Enhancement Recommendation for 2018 Mercedes-Benz Sprinter 3500 Motorhome
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    We have the products that you need for your 2022 Thor Quantum MB24 RV to help with the conditions you described. The Roadmaster Rear Anti-Sway Bar # RM43VR will help to minimize sway and reduce side to side movement. It diminishes the effects of crosswinds, passing motorists and shifting cargo. The Timbren Front Suspension Enhancement System # TMBFSP35 and Timbren Rear Suspension Enhancement System # TMBRSP35A will help to absorb road shock, improves roll stability and helps reduce sag. Not...
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  • Recommended Suspension Enhancement To Reduce Body Roll On A 2022 Mercedes-Benz Sprinter 3500
    For the front axle of your 2022 Mercedes-Benz Sprinter 3500 I recommend the Timbren Front Suspension Enhancement System # TMBFSP35. These Jounce-style springs will help reduce the side-to-side sway you're experiencing. These rubber springs will absorb most of the road shock, creating a smoother, more stable ride overall. Wear and tear on your suspension is also lessened because the rubber springs work to prevent bottoming out on rough roads. For the rear axle I recommend the SumoSprings...
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    I spoke with my contact at Timbren and the overall height (with spacers) for the part # TMBRSP35B that you referenced is 6-3/8 inch, the height of the # TMBRSP35A is 5-7/8 inch, and the # TMBRSP25A is 5-3/8 inch.
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  • Are New Shocks Required When Adding Anti-Sway Bar and SumoSprings To 2013 Mercedes Sprinter 3500?
    As long as the shocks on your 2013 Mercedes-Benz Sprinter 3500 are still in good shape, there is no reason to replace them. However if they are worn out you will notice quite a difference once the replacements are installed. We do not sell shock absorbers for vehicles so I do no have a recommendation on which ones to get, though an OEM replacement would be preferred. If you have not already decided on which sway bar and SumoSprings you plan on ordering I recommend the Roadmaster Rear...
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  • Recommended Suspension Enhancement For Sagging 2020 Mercedes-Benz Sprinter 3500 Motorhome w/ 2WD
    So while we do have an option for your 2020 Mercedes-Benz Sprinter 3500 motorhome with 2WD that is sagging in the rear and rocking from side to side, I checked with Roadmaster Active Suspension, and they do not make a kit for this, and there isn't one that will be coming soon. But what you can do that will absolutely help your motorhome is add Timbrens: - Timbren Rear Suspension Enhancement System # TMBRSP35A I verified with Timbren for you that the # TMBRSP35A will fit your '20 Sprinter...
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    It's entirely possible for any product to fail at some point in time but I would be shocked if the Timbren Rear Suspension Enhancement System # TMBRSP35A on your 2018 Mercedes-Benz Sprinter 3500 is failing because these are solid pieces of heavy duty rubber so it's not like an air bag kit that can develop a leak. I would check to see if these are maybe rolling away when you go over one of the dips like you mentioned. The bottom of the Timbrens should be making contact with your motorhome...
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  • Suspension Enhancement Options For 2023 Mercedes-Benz Sprinter 3500
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  • Recommended Bump Stop Helper Springs For 2018 Jayco Melborne Prestige 24KP Motorhome
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