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

Timbren Suspension Enhancement System - Severe Service - Rear Axle

Item # T94VR
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Retail:$438.91
Our Price: $373.07
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8,000-lb Capacity hollow rubber springs sit above the rear axle to help stabilize and level your vehicle. Provides a comfortable ride by absorbing road shock and improving stability. Ideal for trucks with slide-in campers or an in-bed salt spreader. Lowest Prices for the best vehicle suspension from Timbren. Timbren Suspension Enhancement System - Severe Service - Rear Axle part number T94VR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Timbren Vehicle Suspension - T94VR

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

8,000-lb Capacity hollow rubber springs sit above the rear axle to help stabilize and level your vehicle. Provides a comfortable ride by absorbing road shock and improving stability. Ideal for trucks with slide-in campers or an in-bed salt spreader.


Features:

  • Improves suspension, handling, and safety
    • Ideal for trucks with slide-in campers or an in-bed salt spreader
  • Provides additional support as needed so you always have a smooth, comfortable ride
    • Allows the leaf spring ample movement while cushioning light loads
      • Does not affect the empty ride of the vehicle
    • 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
  • Includes 2 Aeon hollow rubber springs, vehicle-specific brackets and hardware for simple installation
    • Replaces axle bump stops on frame
    • No drilling required


Specs:

  • Capacity: 8,000 lbs
    • Do not exceed the vehicle's weight-carrying capacity
  • Limited lifetime warranty
  • Satisfaction guarantee


An example of sag on a truck's rear axle under a heavy load. The Timbren Suspension Enhancement System levels the vehicle.

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


Diagram of the Timbren spring installed

The Timbren system has a vehicle-specific bracket that will be 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 one inch 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 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 provides increased resistance, stiffening the suspension and keeping the vehicle level.


Timbren suspension system works to prevent body roll

Each hollow rubber spring works independently to support the driver's or passenger's side of the 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 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 helping 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 passing of a semi) because the movement from the trailer is not transferred to the vehicle. This also works to make the sway subside quicker.


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 as the rubber springs work to prevent bottoming out on rough roads.


Compared to the competition:

Timbren's suspension enhancement systems are much easier to install than air springs - no air hoses are needed to be run, no compressors or gauges to hook up, and no manual adjustments necessary. The rubber construction causes Timbren's springs to be more elastic than similar products constructed of micro-cellular urethane. More elasticity allows for a more comfortable ride because the rubber has more travel.



DRTT Timbren SES with Aeon Hollow Rubber Springs - Rear Axle - Severe Service

Installation Details T94VR Installation instructions

This Product Fits The Following Vehicles





Customer Reviews

Timbren Suspension Enhancement System - Severe Service - Rear Axle - T94VR

Average Customer Rating:  4.7 out of 5 stars   (4143 Customer Reviews)

8,000-lb Capacity hollow rubber springs sit above the rear axle to help stabilize and level your vehicle. Provides a comfortable ride by absorbing road shock and improving stability. Ideal for trucks with slide-in campers or an in-bed salt spreader.

by:

Easy installation in about 40 minutes. On heavy truck with dump body and hoist the install has no gap between SES and axle. This is not effecting the empty ride and should definitely improve the stock suspension sag when loaded. Very happy!




by:
2016 Dodge Ram Pickup

So I recently had two product purchases from etrailer, my Timbren load suspension upgrade and my truck bed camper frame mounted hold-downs, both to be installed on my 2016 3500 Ram. The installation and performance of both of these products went very well. I received great phone support from etrailer operators, as my buddy and I have in the past. It was my buddie Mikie who originally recommended your Company from numerous purchases he has made with you.




by:

the product was very easy to install, but I was very dissatisfied with the ride of the truck after installing. The rubber distorted and there was almost metal contact with the bolt holding the spacers in place with the real axle housing. We have replaced your product with an air ride suspension which I am extremely happy with. I would not recommend this product to be used.




by:

Very knowledgeable and helpful with my purchase. Followed up to make sure everything was fine. Great experince.




by:

Very good quality and took less than 30 minutes to install. I tow bumper pull RV's and a 5th wheel. Can't wait to tow 1 and see how it works.




by:

It looks like the product I received was used. Not too excited about that.


Comments
Customer Service will reach out to you.
-- Etrailer Expert Sierra K - 01/10/2022


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Great ptoduct. Does what it's suppose to do.




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fast service good product easy to insta ll




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Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I used this on my Isuzu tow truck. The blocks in and of themselves are fine, they support the weight. Here's the problem: They are pre-loaded, meaning that they always touch between the frame and the rear axle. As you load the vehicle this puts more pressure on the frame in this 5" area where the blocks are. The springs have not yet taken as much weight as they normally would. Now, all this upward pinpoint pressure bends the frame. This is what happened to me on my rollback tow truck. After many hours and now double plating the frame all is well again, but a tremendous amount of work. Yes, the blocks are fine, but the result of installing this product resulted in a bent frame. The vehicle was not overloaded and was within the GVWR.


Comments
I have reached out to the manufacturer who will be reaching out to you.
-- Etrailer Expert Jenny N - 01/20/2022


by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Delivered a day early, easy installation, just what I was after for my 2010 2500,with a leveling kit 63 gal auxiliary tank,generator, tools, and the like in the bed,probably 1000 pounds or so,300 or so behind the center of the rear axel, not so much by choice just the way it had to be ,these got rid of that annoying little squat,much more satisfied with the stance with the tongue weight on it,easy order easy delivery , you can see the before and after, awesome product!!




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Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I really like these Timbren bump stops. I think the best thing about them is the simplicity, both how they work and how easy the install was. I bought these when I added a dump insert (similar to a salt spreader) into my 2019 F-250. I have loaded this truck heavy before with dirt and the truck sagged tremendously and had a lot of body roll. To prevent this with the now added dump insert, I installed these. Super easy to install! Took maybe 30 min. It reduces body roll and seems to improve the ride depending on how loaded the truck is.

One unfortunate consequence to the install is that the Timbrens brought to light that I have a weak leaf spring on my passenger side, which was suspect previously.

Overall, I'm very pleased with this purchase and would buy again!




by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Product is high quality, all parts fit well and I didn’t have to force anything. High strength thick steel, and the jounce bumpers are seriously heavy duty. I haven’t had a load on the truck (98 Ram 3500) since install a few days ago, so they haven’t touched the base plates yet.

One thing I’m concerned with is the jounce bumpers are touching and are right up against the lift blocks and U bolts. I’m unsure of the longevity these bumpers will have after a heavy load is on them and they are constantly rubbing on the hardware. Also, as the load gets heavier they expand outward as they flatten out so I’m also concerned with if that will push my lift blocks outward and mess with the suspension.

I’m prepping for a slide in camper and when I get it I will have to take a look and see what effects that weight has on the suspension, the bumpers, and ride quality.


Comments
I am not sure when I will be able to have a load on it to confirm, as I do not have a camper just yet. I am currently working on upgrading the suspension in preparation for one. Is there an alternative similar solution, other than airbags - as I dont want those, that can be run? With a similar weight capacity? Kind of interesting Timbren hasnt run into this issue before with the older Ram 3500s. Wonder if this is somehow unique to my truck? All the rear components are original OEM, so it seems kind of strange.
-- comment by: Jimmy - 01/05/2022
Comments
You mentioned that the jounce bumpers were touching up against the lift blocks without a load in the truck and I wondered if you could send a picture of the installation?
-- Etrailer Expert Jenny N - 01/05/2022
Comments
I do have additional questions for you. Is the top picture showing how the springs look with a loaded weight? Have you already installed your slide in camper? I wanted to see if the top bracket were touching as well? The manufacturer is trying to determine if a smaller diameter spring would help or not
-- Etrailer Expert Jenny N - 01/05/2022
Comments
Both pictures are right after installation with a completely unloaded bed. Since installation, I have not had weight in the bed, so I can not 100 say if the top brackets would touch the U bolts or leaf springs. But from looking at it just now, it appears the top bracket would just barely touch the U bolts with a loaded bed, and would definitely touch if there was side to side movement with a loaded bed like going over a speed bump, pot holes, or uneven terrain.
-- comment by: Jimmy - 01/05/2022
Comments
I did hear back from Timbren. Currently there is not a bracket that would be narrower that they can offer. When loaded if the brackets interfere with the smaller spring, then it may be advisable to return the kit.
-- Etrailer Expert Jenny N - 01/05/2022
Comments
I am not sure when I will be able to have a load on it to confirm, as I do not have a camper just yet. I am currently working on upgrading the suspension in preparation for one. Is there an alternative similar solution, other than airbags - as I dont want those, that can be run? With a similar weight capacity? Kind of interesting Timbren hasnt run into this issue before with the older Ram 3500s. Wonder if this is somehow unique to my truck? All the rear components are original OEM, so it seems kind of strange.
-- Etrailer Expert Jimmy - 01/05/2022
Comments
I was researching if I had an alternative and I realized that I needed to confirm your set up. Do you have the 3500 cab and chassis - if yes was it always a cab and chassis - or do you have the 3500 pickup? I am under the impression that you have the pick up since you want to use a slide in camper however, I wanted to be sure.
-- Etrailer Expert Jenny N - 01/05/2022
Comments
It is the 3500 pickup. Thanks!
-- Etrailer Expert Jimmy - 01/05/2022
Comments
I believe I now know what happened and I should have asked about the truck before now. The TDRTT3500 that was ordered is used for the cab and chassis model versus the pickup and this is leading to the fitment issues you have seen. I do have two options to offer for the 1998 Dodge Ram 3500 pickup including a different Timbren application. They are part # TDR3500
Timbren Rear Suspension Enhancement System
$373.07
and part # SSA25
SuperSprings Custom Suspension Stabilizer and Sway Control Kit
$629.99
.
-- Etrailer Expert Jenny N - 01/05/2022


by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


First, this is the third truck have have put Timbren SES on, so I am a big fan of this option for a pickup truck. There is no impact to the ride when the bed is empty, when loaded it is a big improvement keeping the truck is a level position, reduced sway.. I would have given this 5 stars, except the lower bracket is rusting. All the other parts are painted black except this one part - see picture... This is after one year, truck is parked in a garage in NC (not a high snow/salt state)...


Comments
I continue to be a fan, on my 1019 f150, I used the 1 in spacer, works perfect ! I have dumped 2200 lbs of stone in the bed a few times, no problem.
KLM - 01/05/2022


by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Highly recommend for anyone towing. Leaf springs were flattened out prior to install. Swapped the bump stops out for Timbrens in a campground before making a 1000+ mile trip home. They work amazing leveled the truck out while towing and absorb the bad bumps.


Comments
I would absolutely buy the Timbren SES again if I didn’t already have them. No issues after a year.
David B - 08/23/2021


by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I haven’t hooked up to the fifth wheel yet or else it might be a 5 star. Based on the 15 minute installation time and the price compared to air bags this appears to be a logical way to go. I will update this as I hook up and put a load on it.




by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Great addition to my 2018 ram 1500 I also installed Bilstein 5100 shocks and heavy duty coil springs along with the bump stops




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Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Installed on 98 Ram 3500 pickup. Haven't put a load on it yet, but it installed very easily and fits well. Driver's side spring brackets were a bit harder to install than the passenger side, but still overall easy.

One con was the powder coat finish was worn off in spots right after opening the box. Not sure if the packaging is to blame or what, but in general the packaging never seems to be that great on the etrailer products I've ordered (just brown packing paper).


Comments
Please cover any bare metal with anti-corrosive paint to prevent excess rust. Follow more tips in this help article:
-- Etrailer Expert Sierra K - 01/18/2022


by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I have a 2018 GMC Sierra 1500 pick up truck (elevation package) in which I added a 3.5 inch ROUGH COUNTRY KNUCKLE LIFT KIT with Front Struts. The rear distance between the bump stop's metal cup just under the frame and the the rear axle is 8.25 inches with an empty truck bed and a quarter tank of gas. I gave the professional this information on my truck and what I needed; they e mailed back the kit with only 1.5 additional spacers on each side of the truck, Ok. I still came up with 2.25 inch space with an empty truck bed on both sides. I feel More TIMBREN PRODUCTS WOULD be SOLD if websites carried information All together for the average people to buy at their finger tips. It would have been easier for me if the following were all grouped together for my truck :
TIMBREN Rear Suspension Enhancement System
TGMRCK15S (that has 3/8 bushing) which is actual about 4.5 inches not 5inches in
height.
FOR TRUCKS with LIFT KITS spacers are required with the same 3/8 bushings

1 inch spacer (that has 3/8 bushing) A25723-90AHOO
1/2 inch spacer (that has a 3/8 bushing) TA25722-90POO
I required an additional 1 inch spacer on both sides than I was e mailed. It would also be easier if I could buy the additional bolts grouped with my additional 2.5 spacing on both sides of my truck on the web site, than going to the hardware store. I would pay the additional cost. So all together for my 3.5 ROUGH COUNTRY LIFT, I required 2.5 inch spacers on both sides with the 4.5 height kit which = 7 inches . I haul my 4 wheeler in the bed and broke a level spring years ago. On other occasions I place fire wood in the truck bed. TIMBREN is the way to go, it will be there when I put weight in the bed of truck; be it a 4 wheeler or wood. Friends of mine have air bag systems that leak over time and are much more in price. You can not go wrong with TIMBREN. When installing, remove salt and sand near top of original bump stop bolt, apply PB blast wait 10 minutes use a breaker bar with easy removal. Go to the hardware store to get longer bolts. When installing have to jack up the back of the truck under the towing package to get space to use tools to add new TIMBREN PRODUCTS.


Comments
Awesome for hauling four wheeler in bed and for hauling load of fire wood in the bed, no broken leaf springs and no sag
Joe - 03/23/2022


by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


My last Tundra had Firestone air bags with separate air lines (also purchased from Etrailer). They worked great but I always had to adjust pressure for loaded vs unloaded and assure the pressures were even.

These are so much better. Stock smooth ride unloaded and I don't have to do a thing when I load the bed or add a trailer behind it. I towed a 24 foot 14K pound equipment trailer with two side by sides and two atv's on it from NE GA to northern TN and had no worries what so ever.
I would highly recommend them!



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  • What Is The Difference In The Timbren Rear Suspension Enhancement Systems
    The Timbren Rear Suspension Enhancement System # T94VR is a vehicle specific item designed for the 2013 Ram 3500. The Timbren Rear Suspension Enhancement System # TDRTT3500DP3 is designed to fit the 2003-2013 Dodge Ram 2500 trucks and the 2003-2020 Dodge Ram 3500 trucks
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  • Recommended Suspension Enhancement to Improve Ride and Sag on 2012 Ram 2500
    Since one of your goals is to reduce sag I suggest the Timbren system. The TorkLift StableLoad # TLA7311 is mainly for creating smoother ride and to avoid sway and body roll. The Timbren springs will help with sag while towing and won't affect the ride of your 2012 Ram 2500 when it's not loaded. They become more rigid as the load increases to help prevent the truck from sagging. They also work independently to help with uneven loads that improves the overall ride and helps body roll,...
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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Chris R
Video by:
Chris R
Employee Daron K
Edited by:
Daron K
Employee Alex H
Written by:
Alex H
Employee Adam E
Installed by:
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