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  1. Vehicle Suspension
  2. Timbren
  3. Bump Stops
  4. Towing/Load Leveling
  5. Rear Axle Suspension Enhancement
  6. Extra Heavy Duty
THIS ITEM IS NOT A FIT FOR
2011 Ram 4500
Timbren

Timbren Rear Suspension Enhancement System

Part Number: TDR3500CA
In Stock
$398.07
Retail:$468.32
You Save: $70.25
Vehicle Suspension
Not Confirmed to Fit

2011 Ram 4500

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8,600-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. Great Prices for the best vehicle suspension from Timbren. Timbren Rear Suspension Enhancement System part number TDR3500CA can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Timbren Vehicle Suspension - TDR3500CA

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

8,600-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.


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: 8,600 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.



DR3500CA - Rear Suspension Enhancement System with Aeon Hollow Rubber Springs by Timbren

Installation Details TDR3500CA Installation instructions

This Product Fits The Following Vehicles




Customer Satisfaction Score:

Ratings & Reviews

4.7

3641 reviews
5 Stars
(2897)
4 Stars
(471)
3 Stars
(116)
2 Stars
(70)
1 Star
(87)
8,600-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:

Very easy to install..instructions very easy to follow.



by:

Installed. Have not had a chance yet to see how they work. Was only a ten minute job to install cant wait to put them to use.



by:

Installed in 15 minutes! Significant improvement in ride with my 6000lb (loaded) lance camper on a F450.



by:

Order delivered on time and in good condition. Good customer service and follow up.



by:

This product did not give any improvement over the stock configuration. It was a waist of time and money.



by:

Came on time easy to install and works like a charm.



by:

Very Poor and unsatisfactory. Box arrived unsealed with no attempt to tape box closed from shipper or manufacturer. Hardware is the worst quality control I have seen in 25 years of working with automotive parts. The 3/8 nut welded to the flat bar was painted inside 75% of the threads and the nut and bolt are stripping trying to clean up the threads. The welding and painting is very poor quality on all parts. Paint shows bare steel in many locations. The nuts and bolts are plain steel and not protected from corrosion at all except where they got paint from the flat bar inside the threaded nut!



by:

Came quickly, easy install now excited to give it a try!



by:

Easy to understand instructions, easy to install.



by:

installed as instructions stated piece of cake to install



by:

have not got them in yet but got here a day eraly thanks



by:

Thay do not touch rear housing after loading One half inch gap Ronnie dobbins



by:

Fast delivery, easy installation, they work great. Recommend.



by:

I haven't installed these yet, but they were just what I was looking for to take the "squat" out of my truck while pulling my toy hauler.
These along with my WDH should level the truck just fine.



by:

The items get shipped really quickly, and their prices are excellent. Great customer service too!



by:

This worked as advertised, install was quick and easy!



by:

Was able to install easily with video.



by:

The supplied bolts are too short. Finding the right bolts added to time to do the install.

The jounce springs are 1/2 inch from axle. I'm sure the ride will be very harsh even when not loaded...



by:

Tried to order part first time, rotten customer service. Called back spoke to manager, much better service received part very quickly. Unfortunately part had bad bolts and or nuts, would not work together. Manager said if I had any problems I could call her number directly and she would take care of it. Have tried to reach her for three days no response. Called regular etrailer number and they want pictures sent to them and then it would have to be reviewed and I was informed I they were behind schedule, so only could guess how long it would take. Sending parts back and demanding refund. Have been doing business with etrailer for many years and this is the thanks I get for being a long time customer. Will not be shopping with etrailer ever again



by:

great and fast service needed the parts right away for a road trip and you got it done



by:

Gave 4 stars because when the truck is empty the ride is a little rough. But when I'm towing anything it's awesome



by:

They went right on and all the hardware came with them.



by:

good customer service



by:

Easy installation. The truck sits well and feels better on the road



by:

Have not installed product yet,Christmas present for a friend.Box came damaged from postal service,tore open,hopefully all parts are there.


25
3641
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See what our Experts say about this Timbren Vehicle Suspension

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    Since you really want a good ride quality the SumoSpring Solo # SSR-312-54 is the way to go. This will give you the support you are wanting without making the ride quality harsh like the Timbrens do. Timbrens provide a lot of support but the ride quality (specifically unloaded) isn't great. The SumoSpring option is a much better balance between support and ride quality so it's what you'll be the most happy with.
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  • Suspension Enhancement Option For 2007 Dodge Ram 3500 Cab And Chassis
    Hello Travis. We do have some rear suspension enhancement option for the 2007 Dodge Ram 3500 cab and chassis. What I recommend for that is the Timbren Rear Suspension Enhancement System # TDR3500CA. These are 8,600 lb capacity rubber jounce springs. The link below will show you all of our suspension enhancement option for the 2007 Dodge Ram 3500 cab and chassis. I did want to add that if your vehicle is a Dodge SPRINTER cab and chassis, we may have an option for you but I will need to...
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  • How Much Support Do the Timbren Rear Suspension Enhancement Systems Add on 2019 Ram 3500
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  • Are Timbrens For 2022 Ram 3500 Compatible With 5th Wheel Hitch
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    view full answer...
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