1. Vehicle Suspension
  2. Timbren
  3. Jounce-Style Springs
  4. Rear Axle Suspension Enhancement
  5. Extra Heavy Duty
Timbren Suspension Enhancement System - Rear Axle

Timbren Suspension Enhancement System - Rear Axle

Item # TFRSDE
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Timbren Vehicle Suspension - TFRSDE
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12,000-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. Lowest Prices for the best vehicle suspension from Timbren. Timbren Suspension Enhancement System - Rear Axle part number TFRSDE can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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Timbren Vehicle Suspension - TFRSDE

  • Timbren
  • Jounce-Style Springs
  • Rear Axle Suspension Enhancement
  • Extra Heavy Duty

12,000-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.


Features:

  • Improves suspension, handling, and safety
  • Provides additional support as needed so you always have a smooth, comfortable ride
    • Allows the leaf spring ample movement while cushioning light loads
      • Rides just as smoothly when you're not hauling a load
    • Becomes more rigid as more weight is added for a great performance when you're hauling a heavy load
      • Increases stability
      • Reduces vehicle sag
  • Works independently - side-to-side adjustment
    • Helps compensate for off-center loads
    • Reduces body roll when swerving and turning corners
  • Acts as a shock absorber, taking the brunt of bumps and rough roads
    • Extends the life of your vehicle's suspension
  • Includes 2 Aeon hollow rubber springs, custom-fit brackets, and hardware for simple installation
    • Installs directly onto frame
    • No drilling required


Specs:

  • Load-leveling capacity: 12,000 lbs
    • Timbren springs will not increase your vehicle's weight-carrying capacity. Do not exceed the manufacturer's recommended weight limit.
  • 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. 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 because the rubber has more travel.



FRSDE Timbren SES with Aeon Hollow Rubber Springs - Rear Axle

Installation Details TFRSDE Installation instructions

This Product Fits The Following Vehicles




Video of Timbren Suspension Enhancement System - Rear Axle

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Timbren Vehicle Suspension - Rear Axle Suspension Enhancement - TFRSDE Review

Today we're going to be taking a look at the Timbren suspension enhancement system for the rear axle of your vehicle. This product fits certain years of the Ford F450 Super Duty and the Ford F550 cab and chassis. To ensure, double check that this is a fit for your vehicle you could always use the vehicle fit guide located at etrailer.com. Now this suspension system is designed to improve suspension, handling and safety. What it does is it simply provides additional support as needed, so you always have a smooth comfortable ride. This system allows your leaf springs ample movement while cushioning light loads, so it's going to ride just as smoothly when you're not hauling a load. And it's designed to become more rigid.

As more weight is added, it's going to become more rigid, which is going to allow for greater performance when you're hauling a heavier load. Increases overall stability and it's designed to help reduce vehicle sag. Now these work independently. It's going to offer that side to side adjustment, which is going to help compensate for off center loads. Also, helps reduce body roll when swerving or going around corners.

And they're designed to act as shock absorbers, which is going to take the brunt of bumps and rough roads, which ultimately is going to help extend the overall life of your vehicle's suspension system. With this part number, you're going to get your two hollow rubber springs and you're going to get your custom fit brackets. As well as the necessary hardware for a simple installation. It's a bolt on installation. Install directly onto the vehicle frame. No drilling required.

The unit also comes with your detailed installation instructions. These are going to help walk you through that whole process step by step. Really nice, easy to use design. Now this unit features a load leveling capacity of 12,000 pounds. Just keep in mind that Timbren springs will not increase your vehicle's weight carrying capacity.

Be careful not to exceed the manufacturers recommended weight limit. These are also cover with a satisfaction guaranteed lifetime warranty. That's going to do it for today's look at the Timbren suspension enhancement system for your rear axle.


Customer Reviews

Timbren Suspension Enhancement System - Rear Axle - TFRSDE

Average Customer Rating:  4.7 out of 5 stars   (2330 Customer Reviews)

12,000-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.

- TFRSDE
by:
Ford F-450 Super Duty

Springs hold up good really helped out with the problem. My F450 squats less than before. 851281



- TFRSDE
by:
Ford F-550 Cab and Chassis

These are amazing! Simple to install, easy to read instructions, very straightforward. Hardest part was taking off the factory bump stops, but I was lying on my back using hand tools. I put these on my F550 wrecker and they alleviated the squat I was experiencing when towing trucks. In the photo you can compare the factory bump stop with the Timbren. In my truck I did not use the extra spacer that is included in the kit. If I had jacked my truck up higher I could have used it. As it is right now the Timbren's are always in contact with my axle. In my opinion my unloaded ride is better as well. I HIGHLY recommend these for tow trucks. 644850



- TFRSDE
by:
2015 Ford F-550 Cab and Chassis

Showed on time and easy installation. This is why I continue to be a loyal customer. 492556



- TGMRCK25D
by:

Review from a similar Aeon Spring System in Vehicle Suspension


this is the second set of Timbren springs I have purchased, the first set was on my Ford Raptor, they took all of the sag and sway out of pulling my boat. I have this set on my 2015 GMC Denali 2500HD, I pull a 42 ft. 5th wheel and the Timbren's take all of the sag and sway out, these are in my opinion the best product I have purchased for my truck. 683687


Comments
this is still an amazing product! works as good today as the day I installed it. I recommend this to all my friends.
John G - 08/12/2020

97151

- TGMRCK25D
by:

Review from a similar Aeon Spring System in Vehicle Suspension


After a 3000 mile trip with a 42' fifth wheel on a 2016 Chevrolet single rear wheel short bed 3500HD, I will say they made a difference. They took some of the bounce and the side to side rocking out of the truck. I would definitely put them on my next truck as well. 667565


Comments
Still good. The right solution is a dually with heavier springs and more stability from 4 tires, but that is not in the budget.
Paul - 07/08/2020

86349

- TDVR05096
by:

Review from a similar Aeon Spring System in Vehicle Suspension


I carry 1400 pounds of tools and supplies in my NV200. These helped carry the load, along with heavier shocks. Very happy! 691745



- TDVRRT
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Installed this on my 2009 Caravan because when I had a hitch mount 4-bike platform rack hanging off the back and was loaded with camping gear and family, the rear suspension was terrible, it would bottom out, and my headlights pointed up so that everyone would flash their brights at me. New shocks helped, but did not solve the problem. This product did fix the problem and I am very happy. I was concerned about the feel when the van us unloaded, but this has not been an issue. I highly recommend this product. 796869



- TGMRCCA
by:

Review from a similar Aeon Spring System in Vehicle Suspension


I had made purchases from etrailer in the past and have always been satisfied with the service and products purchased. During this transaction I purchased Tembren bump stops for my 2019 Chevy Colorado. They dont affect the ride of my truck until I put it undet a load. Then they give me better handling of the truck and less weight taken off of my steering. It was quite an easy install, and they work great! I feel the price could have been a little better, however overall I am very satisfied compared to what it would have cost to install air shocks. Thanks etrailer, another satisfied customer! 665150


Comments
Since purchasing the bump stops from E Trailer I have been hauling a 5000 lb. Travel trailer for about a year. I am very pleased with the ride of the truck under a load. The Tembren bump stops improved things significantly. Thanks E Trailer! Another purchase made from you and a very satisfied customer.
Rodney L - 07/02/2020

84791

- TFRF53A
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Delivery by etrailer was fast. Their advice as to proper application of the Timbrens saved me lots of money! 749745



- TGMRYS4
by:

Review from a similar Aeon Spring System in Vehicle Suspension


So far they look great. I will put on this weekend and see how they work with my travel trailer. 476068



- TFRTT350F
by:

Review from a similar Aeon Spring System in Vehicle Suspension


These arrived as scheduled. The look good, well made. On my way out to install them now. The will get tested later today on the way to the lake. 703241



- TGMRASTBHD
by:

Review from a similar Aeon Spring System in Vehicle Suspension


My van is a 2000 GMC Safari. when pulling my 17 ft. boat it would sag pretty bad. after installing the Timbrens it sits level and isn't bottoming out anymore. Great product and great service from etrailer. The Timbrens went on very easily and the instructions were good. 122042


Comments
Van gave out about 2 months after installed them, didnt notice much difference except van road rougher. It was an older van and might have done better with new shocks.
Dan J - 03/25/2015

10331

With this Timbren System installed you may notice a difference in the ride quality of the van when the Timbren springs are not activated. The benefits of Timbren suspension enhancement systems are designed to provide additional support when there is a load placed on them and on the vehicle suspension.

-- Rachael H - 5/4/2015


- TDR1500DQ
by:

Review from a similar Aeon Spring System in Vehicle Suspension


This was ordered because the truck seemed overloaded with just s few items. I haven't installed it yet but will let you know how it works after I do The shipping and packing were excellent and arrived quickly. 420483


Comments
Working great.
Glenn L - 08/15/2018

42324

- TTORTUN4
by:

Review from a similar Aeon Spring System in Vehicle Suspension


I bought these as a replacement for "air bags" which I had two different sets, which failed over 10 years. i would say this product is helpful with pulling a trailer and lighter loads but from time to time I haul heavier loads and this product doesn't offer as much help/support as the air bags. This product is a little cheaper and if they don't weaken over time they will be a help. I have added additional leaf springs to two different pickups but then you end up with a stiffer ride full time. 421383



- TDR1500DS
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Very happy with my timbrens and quick shipping. Added these to a 2013 2500HD 4X4. Quick and simple to install. improved ride quality and takes the squat out when pulling a gooseneck trailer. Very happy and would recommend to anyone wanting to improve quality of ride height. 493335



- TDR1500DS
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Great product. 597716



- TGMFK25S
by:

Review from a similar Aeon Spring System in Vehicle Suspension


I ordered timbrens for the front and rear of my chevy 2500. I have a 2000 lb truck camper and I wanted something to help carry the load a little better. I had no idea that my front bump stops had worn away to almost nothing until I installed these. They have worn well and performed well so far. 628835


Comments
Still working great. No problems. Really happy I didnt waste the money on airbags.
Josh - 04/16/2020

73355

- TDR1500DS
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Doesn't get any easier for an install. A jack, some soapy water and a couple pieces of 2x4. In about 5 minutes you're done. Took out almost all sag when I dropped my travel trailer on the ball. Great addition to the suspension. 488109



- TFR250SDF
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Fast shipping 400467



- TFR250SDF
by:

Review from a similar Aeon Spring System in Vehicle Suspension


I have a Timbren rear suspension system on my 1982 Chevy truck that I still own, and after 20 years they still work fine. This latest set installed easily on my 2001 F-250 and they work just as well with and without a load. 440182



- TDR1500DQ
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Have not tested it out yet, but the installation took about 15 minutes by myself, looking forward to trying them out with my 28ft enclosed trailer. You will need a block of wood under them when you let the jack down to seat them in the cups fully there is no way you can snap them in by hand, the video had that great suggestion 199076



- TGMRYS4
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Very satisfied with the results,and the customer service.The first set were. incorrect.After calling etrailer,they got the correct one right out to me. 250319



- TFR250SDJ
by:

Review from a similar Aeon Spring System in Vehicle Suspension


You guys are great to work with. Thanks again 573793



- TGMRCK25D
by:

Review from a similar Aeon Spring System in Vehicle Suspension


I bought these for a 2012 GMC 2500 Duramax. The installation for these was much easier than I anticipated (I can't say the same for the front suspension system.) Just lift up your truck, pry out the stock bumper stops, line up the Timbren springs with a 2x4 underneath, and lower the truck. The weight of the bed/frame is enough to get the Timbren spring to seat correctly. This took me less than 10 minutes. Ride quality seems to have improved as big bumps on the road are less rough. These keep the truck from sagging underneath the weight from a trailer, too, though I didn't have much problem with that to begin. Overall, I like this addition. Easy. 48427



- TFR1502D
by:

Review from a similar Aeon Spring System in Vehicle Suspension


I purchased these to help with the squat on my F-150 when towing my 32--foot travel trailer. I need to tweak the setup on my WDH, but otherwise am very pleased. Without the trailer, you don't even know they're there. 558730


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Ask the Experts about this Timbren Vehicle Suspension

  • Recommended Suspension Enhancement System for 2017 Ford F-450 with 5th Wheel Hitch
    For your 2017 Ford F-450, the Air Lift options as you pointed out are not compatible with a 5th wheel or gooseneck hitch. The manufacturer states that none of their current options for your vehicle will work with the 5th wheel hitch installed although they can work with other vehicle models. My recommendation is to instead go with the Timbren Suspension Enhancement System - Rear Axle # TFRSDE. These aeon rubber springs absorb shock and increase in support as the load increases to give...
    view full answer...
  • Installation of Timbren Springs On A 2016 F-450 With DANA S130 Square Tube Axle
    The Timbren Rear Suspension Enhancement System # TFRSDE is a confirmed fit for your 2016 Ford F-450. The only thing the instructions state is to make sure that the Aeon Spring does not come in contact with the brake line. The springs are designed for and confirmed to fit your vehicle with the brake lines routed in this area with your Dana axle. None of the installations have required moving brake lines but the brake lines do come close. I reached out to my contact at Timbren and they...
    view full answer...




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Info for this part was:

Edited by:
Leah B
Installed by:
Cole B
Installed by:
Robert C
Updated by:
Mary E
Video by:
Jonathan Y
Written by:
Anna W

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