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

Timbren Rear Suspension Enhancement System

Item # T26FR
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2,000-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. Lowest Prices for the best vehicle suspension from Timbren. Timbren Rear Suspension Enhancement System part number T26FR can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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  • Reviews (3497)
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Timbren Vehicle Suspension - T26FR

  • Jounce-Style Springs
  • Rear Axle Suspension Enhancement
  • Timbren
  • Standard Duty

2,000-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.


  • Improves suspension, handling and safety
  • Provides additional support as needed, so you always get a smooth, comfortable ride
    • Allows the leaf spring ample movement and cushions light loads
      • Rides just as smoothly when you're not hauling a load
    • Becomes more rigid as more weight is added
      • Increases stability - gives you great performance when you are hauling heavy loads
      • Reduces vehicle sag
  • Works independently - side to side
    • Helps to compensate for off-center loads
    • Reduces body roll when you have to swerve or execute a sharp turn
  • Acts as shock absorber, 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 installation
    • Replaces axle bump stops on frame
    • No drilling required


  • Capacity: 3,500 lbs
    • Do not exceed your vehicle's weight-carrying capacity
  • Designed to work with a suspension system that is in good working order
  • Limited lifetime warranty - satisfaction guaranteed

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 maintain 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.

HRDD5G Rear Suspension Enhancement System with Aeon Hollow Rubber Springs by Timbren

This Product Fits The Following Vehicles

Customer Reviews

Timbren Rear Suspension Enhancement System - T26FR

Average Customer Rating:  4.7 out of 5 stars   (3493 Customer Reviews)

2,000-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.

- T26FR
2020 Honda Odyssey

Mounted these on Honda Odyssey 2020 to firm up ride when loaded and pulling small cargo trailer. No more bouncy bouncy.

Product still works great? No Squat.. No .. No Bouncy.. Better stability when cornering.
Clark G - 07/19/2021

- T26FR

Installed them on a 2018 Honda Odyssey, was very simple to install, removed the rear tire and old bump stop, used a bottle jack to put the new ones in place, installed 22” rims on the van and no rubbing at all so far

- T26FR
2018 Honda Odyssey

Installation was a little tricky, I used a ratchet strap, and carefully wrapped it around the tire, and around the stock jounce stop, tightened it up and they easily popped out. The Timbren's however were a little more stubborn, I lubed them up with soap and water, and as I didn't have a short piece of 2x4 or anything of appropriate strength or size, I simply cut the top off of one of the old jounce stops, and used that as a spacer to stack on top of the Timbren's, it took a few tries to get the angles right, but once lined up (keep in mind that the arm moves up at an angle, not straight up and down) and I dropped the jack, they popped right in! Driving has become greatly improved, the handling feels much sportier, the lack of dragging my receiver or drawbar is an absolute plus as well. The pictures don't do it justice, however the before and after pictures were taken from the same exact height from the ground, so you can compare, it is now nearly stock height with a very heavy load in the rear, at least 1.5" higher than before. Also of note, the stock jounce stops were completely smashed into the frame from the weight, whereas these still have a long distance to compress. I haven't driven the van unloaded, but loaded as it is/was, the rear can be slightly bouncier, but you no longer feel that hard bottoming out. I know they can seem pricey, but they are worth every penny and I am going to yell out to the mountaintops for everyone I know to buy these things, highly recommended!!!

- T26FR
Honda Odyssey

I installed these in our 2022 Honda Odyssey prior to a 2 week camping trip. With a medium load the ride in the back was a little rough but when we really loaded the van down the ride was much better. Glad I installed these. Removing the old bump stops was easy using small ratchet straps around the tire. Installing the timbrens was even easier using a little piece of 2x4 and lowering the jack to seat them.

- T26FR

It really helps! I loaded a trailer with pebble stones to fill my garden, over 1,500 lbs of stones and could tell the difference before the Timbren, it held the weight and the car was not sagging. Before, a 350 lbs wheelchair mounted in the back made the wheelchair carrier scrape the pavement.

- T26FR
2019 Honda Odyssey

These worked great for my family and I in our 2019 Honda Odyssey. Our last trip was to Myrtle beach and we were loaded to capacity, our van handled the extra weight just great! I also towed a small car on a dolly to my home, about 15 miles and our van composed greatly. Sadly our van is gone but the experience of Timbren will always be with me!

- T26FR

Love these Timbrens on my minivan. Had these in a previous van and now our 2020 Honda Odyssey. It helps with stiffening the rear up in what is otherwise a very squishy rear suspension. Installation is very easy. It was harder to pry off and out the old ones than to install these. Just a little petroleum jelly, work one end in and apply some leverage on the top to have the otherside pop right in.

- T26FR

These work great but TOO stiff for my application (2019 Honda Odyssey hauling about 600 lbs more than normal). Write up says 2000 lbs but when you look them up on Timbren web site, it says 3500 lbs. I contacted Timbren and they replaced them with a "softer" spring that works just fine.

- T26FR
2022 Honda Odyssey

Thanks you, really good service….

- T26FR
Honda Odyssey

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.

- T26FR

Fast shipping, easy install! Will be ordering more soon!

- T26FR

- T26FR

- T26FR

- T26FR
2020 Honda Odyssey

- T26FR

- TDR1525H4

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.

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


Review from a similar Timbren Aeon Spring System in Vehicle Suspension

This Rear Suspension Enhancement kit were so easy to install, I was almost sure I missed something. They installed in less than an hour. I was able to place my floor jack under the ball mount to raise the rear end enough to remove the old mounts and simply install the new ones. Hooked up my 28' rv to my Silverado 1500 and they worked as advertised. No front end sag and I feel safer towing it. Customer service helped me find the right product I needed without dishing out a lot of cash!

While I have sold this vehicle since this review to my neighbor, she has told me she loves this product when she pulls her rv. I now have a 34 ton pick up and purchased a set for it. I am very satisfied with the Enhancers i purchased for it!
Frank R - 06/19/2021


Review from a similar Timbren Aeon Spring System in Vehicle Suspension

Never mess with airbags again on your truck. These Timbren bump stops are the only way to go. Installation took a total of 10 minutes and they work amazing. No messing with airlines, filling or deflating air bags with complicated installation. I’m towing a 44ft trailer and these Timbren bumps stops are a must. Great product but a little pricey for what they are.

After a year of towing some kind of trailer every week, the bump stops are showing some wear from riding on the bump stop pad on the axle. That being said, they are still working as intended and as good as the day I installed them. After a lot of miles, the only draw back is driving around with no trailer. Normal driving the ride isn’t effected but when you hit a bump in the road you really feel it hit the bump stop. You loose a fair amount of rear suspension travel with these but I’m used to it now.
Brandon - 05/11/2021

- TDR1500DS

Review from a similar Timbren Aeon Spring System in Vehicle Suspension

I was very impressed with the easy installation and the performance of the product. I can easily put a 1 yard of top soil in my Ram 1500 and my truck carry it level , no problem. No more snag In the rear. I also find towing a trailer much better. No worries about blowing air bags, this product is maintenance free. Love it, it simple and it works great. Highly recommend

Great product, works well and easy to install
Anthony L - 05/31/2021


Review from a similar Timbren Aeon Spring System in Vehicle Suspension

Upon opening the box I noticed that one of the brackets had a defective weld. I have submitted photos. I call the 1 800 etrailer number and had a 1 hour wait time. So I call Timbren direct and they said to send photos of the problem and mailing address and they would send out a new one. The rest of the product seems to be in good shape and looks easy to install.

I am glad that Timbren handled this for you.
-- Etrailer Expert Sierra K - 09/08/2021


Review from a similar Timbren Aeon Spring System in Vehicle Suspension

Disappointed. Not in the quality of Timbren's, but in fitment with this particular vehicle. As you can see in the attached picture, there is a 2" space between the Timbren's and the point of contact. 2" is way too much to have to sag or drop in order to even begin to have an opportunity to function. I want it to be known that I am a big fan and buyer of Timbren's, and even have them front and rear on my class c motorhome. In my opinion, a Timbren should only have a 1/2" to maximum of 1" space before coming into contact. Also because of the design, there is no option of being able to use 1/2" or 1" spacers readily available here on etrailer, which I have used with other Timbren vehicle applications. As far as installation, they were the easiest Timbren's I have ever installed. The existing bump stops came out by hand and without using tools. The new Timbren's were pushed into place by jacking up the back of the vehicle and putting a 3" block of wood in between the Timbren and the axle and then lowering the jack and in doing so, pushing the Timbren into place. 10 minute job! Now all I have to do is to figure out a way to design a 1" or 1 1/2" block or spacer to close the gap between the Timbren and point of contact. If I come up with a solution, I will update this review to help out other Jeep owners with this issue.


Review from a similar Timbren Aeon Spring System in Vehicle Suspension

Best investment for suspension so far!! Had wind, semi’s and large dips in road sway our 2015 Bounder all over the road. With the timbrens installed took care of almost all of that! Big dips, Bounce one time, done. Semi’s pass no issue, Wyoming winds cuts right through!

They are still working great! Purchased front and rear pair.
Michael B - 08/27/2021


Review from a similar Timbren Aeon Spring System in Vehicle Suspension

Best investment for suspension so far!! Had wind, semi’s and large dips in road sway our 2015 Bounder all over the road. With the timbrens installed took care of almost all of that! Big dips, Bounce one time, done. Semi’s pass no issue, Wyoming winds cuts right through!

Working great so far!
Michael B - 08/27/2021


Review from a similar Timbren Aeon Spring System in Vehicle Suspension

I bought these for my 2001 Chevy Suburban with a 5.3 V8 and four-wheel drive. These Springs have been absolutely amazing, on more than on one occasion I've loaded up three to four thousand pounds in the bed of my truck and the vehicle only sagged 2 in from the unloading height. The Springs are better than I thought they would be and will absolutely be an addition to every work vehicle from now on. I highly recommend them.

springs are holding up well, they still work like new.
Michael G - 08/09/2021

Show More Reviews

Ask the Experts about this Timbren Vehicle Suspension

  • Will the Timbrens for a 2019 Honda Odyssey Raise Ground Clearance
    The Timbren Rear Suspension Enhancement System part # T26FR which is a fit for a 2018 Honda Odyssey is not designed to lift the vehicle, rather reduce sag which in a way can be viewed as lifting. In other words, if you are loaded with cargo and the vehicle sags or squats then installing the Timbrens can raise the ride height. It however would not raise the ride height unloaded.
    view full answer...
  • Available Suspension Enhancements for 2021 Honda Odyssey
    It sounds like you're looking for rear suspension enhancements for either a 2021 Chrysler Pacifica, Toyota Sienna or a Honda Odyssey and currently the only one that has been confirmed so far (as of January 2021)- the 2021 Honda Odyssey. I would expect that the other vehicles would have parts confirmed on them in the coming months, but no later than the end of the year. For a 2021 Honda Odyssey, the rear suspension enhancement available is the Timbren Rear Suspension Enhancement System...
    view full answer...
  • Rear Suspension Enhancement That Fits 2018 Honda Odyssey
    There is a rear suspension enhancement fit for your 2018 Honda Odyssey, but the Air Lift part you mentioned is not a fit. Instead, the correct fit for your '18 Odyssey is the Timbren Rear Suspension Enhancement System # T26FR. The Timbrens will improve your Honda's handling and performance because they take the brunt of any extra capacity at the rear of the vehicle, cushioning the load and stabilizing your van. They are also extremely easy to install; you essentially only need to tighten...
    view full answer...
  • Rear Suspension Enhancement Recommendation for a 2018 Honda Odyssey
    I recommend using the Timbren Rear Suspension Enhancement System # T26FR for your 2018 Honda Odyssey. Currently (June 2020) SumoSprings doesn't have a fit for your vehicle so we would need to get all of the measurements that you see in the attached photo. Timbren and SumoSprings products are pretty comparable in quality and performance so I know you will be happy with this system.
    view full answer...
    Image 1 for
  • Suspension Enhancement System for 2019 Honda Odyssey
    There is one option for suspension enhancement for your 2019 Honda Odyssey, though there are no SumoSprings that fit. Instead, the enhancement that does fit is the Timbren Rear Suspension Enhancement System # T26FR. The Timbren jounce springs will improve your Odyssey's handling and performance, offering your suspension the support it needs when you are towing. When you have additional capacity at the rear of your Odyssey - like when you are towing - the back end will sag, causing the...
    view full answer...
  • Suspension Enhancement to Reduce Rear Sag for 2019 Honda Odyssey
    The Timbren Rear Suspension Enhancement # T26FR is currently the only suspension enhancement system we offer for your 2019 Honda Odyssey. T26FR is our part number for this kit. Timbren's manufacturer part number for this kit is HRDD5G. You can check out the product page by clicking on the part number in the text or linked below this answer. We currently do not have any reviews on this system, so I am not sure if others have noticed a change in their unloaded ride quality. Typically...
    view full answer...
  • Does Draw Tite Hitch for 2019 Honda Odyssey Have Capacity for Motorcycle Carrier
    When the tongue weight capacity of a hitch is determined the manufacturer factors in the typical ride quality issues like you mentioned. So Draw Tite rated their hitch # 76171 as having a dynamic tongue weight capacity of 675 lbs. This means that the dips and bumps you'd travel over that would put additional strain on the hitch have been considered and factored in. So long story short the hitch has a 675 lb capacity even when going over bumps and dips and would work great for carrying a...
    view full answer...

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Info for this part was:

Employee Jeff D
Installed by:
Jeff D
Employee Joshua S
Video by:
Joshua S
Employee Chris R
Video Edited:
Chris R
Employee Wilson B
Updated by:
Wilson B
Employee Victoria B
Expert Research:
Victoria B
Employee Daron K
Edited by:
Daron K
Employee Alex H
Written by:
Alex H
Employee Ryan G
Test Fit:
Ryan G

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