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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
2022 Chevrolet Traverse
Timbren

Timbren Suspension Enhancement System - Rear Axle

Part Number: T45MR
In Stock
$269.36
Retail:$316.90
You Save: $47.54
Vehicle Suspension
Not Confirmed to Fit

2022 Chevrolet Traverse

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6,000-lb Capacity. These hollow rubber springs sit above the rear axle to help stabilize and level your vehicle. Becomes more rigid as more weight is added for great performance when you're hauling a heavy load. Great Prices for the best vehicle suspension from Timbren. Timbren Suspension Enhancement System - Rear Axle part number T45MR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Timbren Vehicle Suspension - T45MR

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

6,000-lb Capacity. These hollow rubber springs sit above the rear axle to help stabilize and level your vehicle. Becomes more rigid as more weight is added for great performance when you're hauling a heavy load.


Features:

  • Improves suspension, handling, and safety
  • Becomes more rigid as more weight is added for 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 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 a simple installation
    • Installs directly onto frame
    • No drilling required


Specs:

  • Load-leveling capacity: 6,000 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 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.



TORTNDR Timbren SES with Aeon Hollow Rubber Springs - Rear Axle

Installation Details T45MR Installation instructions

This Product Fits The Following Vehicles




Customer Satisfaction Score:

Ratings & Reviews

4.7

3672 reviews
6,000-lb Capacity. These hollow rubber springs sit above the rear axle to help stabilize and level your vehicle. Becomes more rigid as more weight is added for great performance when you're hauling a heavy load.

by:

Easy to install and working as expected.



by:

Installed last night in under 30 minutes very happy!



by:

Order was delivered earlier than promised and was exactly what I was looking for to enhance towing with my 24 Ford F250



by:

Extremely easy to install. Haven't put a load on the truck yet because my travel trailer is still in the shop.



by:

Simple install! Worked great on for towing my 11k 28ft toyhauler



by:

Excellent product easy to install I watch the videos first real good videos really helpful works excellent for pulling my camper no problems with the ride of the pick up when not pulling anything



by:

Just received these this morning very easy to install just had to jack rear of truck and take out and replace one bolt. Very easy!



by:

It took 3 hours from start to finish the old stops took the most time to remove once installed we went for a ride with the slide in camper it was amazing I would recommend it to others



by:

Excellent product and even better service. Highly recommended. I literally called on a contract job and while on the phone they processed exactly what I needed. Install was even easier. A Plus. Repeat customer again and again. Only gets better!



by:

Good product and XLNT shipping..Good all around....



by:

the product is excellent , the installation on a 2013 pilot its a lot of work .



by:

Representatives have been very good at keeping me updated about my order and answering questions.



by:

added these to help with weight carrying on my F350 dually. Installed easily and doesn't really change the empty ride quality.



by:

Great products and great service! Fast shipping is a major plus!



by:

I have a full 2500 lb. capacity in my Ford F-250. The truck no longer "SAGS"!!
This is a great product......Thanks



by:

I appreciate the fast response to get us the item that was lost in transit. We will be doing with you in the future. Thank you.



by:

I have a 2021 Silverado high country 3.0 duramax 2wd. It has the adaptive ride control. This product does reduce squat however , I couldn’t imagine towing any distance with them installed. Very rough ride. I need to find a better solution.



by:

Product arrived on time and does exactly what it describes. Little stiffer ride without a load but with a load it made my truck handle so much better at low and high speed.



by:

Installed these on my Tundra in less than 30 minutes. Installation was super easy.



by:

Arrived quickly, as stated in add. Easy and quick install, definitely firmed up the rear. Second purchase from e trailer and have been satisfied with both.



by:

etrailer was very helpful in getting the products I needed quickly.



by:

Arrived early; easy to install, and damped all aspects of truck ride considerably; especially when towing. Love it.



by:

Excellent product that was easy to install. These definitely helped to reduce the sag while towing. However, they did make things a bit more bouncy when going over bumps. I'll take that over the sag and swaying of my trailer any day.



by:

haven't had a chance to install yet too cold out.if possible send again in a couple of weeks and I will leave you a review thanks.



by:

The bump stops worked better than expected.


25
3672
Show More Reviews

See what our Experts say about this Timbren Vehicle Suspension

  • Recommended Timbrens and Spacers for a 2025 Toyota Tundra w/ a Factory Lift
    Hey Scott, congrats on the new truck. I checked with Timbren's website and they do not go into specifics on how many spacers or what size you're going to need. The instructions for the Timbren Suspension Enhancement System item # T45MR say to leave a 1/2" - 1-1/2" gap between the spring and the part of your axle where they contact. Giving a range like that is so you can adjust the spacers for your comfort and ride height preferences. Since your 2025 Toyota Tundra has the factory lift,...
    view full answer...
  • Do I Need to Add Timbrens to the Front of My 2024 Toyota Tundra for Hauling a 7K Trailer?
    Hello Edward, Great choice on the Timbrens for the rear. Since all of your weight is in the rear of the truck I do not think that it is necessary to put them on the front, even with hauling a 7,000 pound trailer. All of the focus is on the tongue weight which is what pulls the rear of your truck down. Now if you were thinking of installing a winch, using a snow plow, or any heavy accessory on the front of the vehicle, then you would want to add the Timbren Front Suspension Enhancement...
    view full answer...
  • Availability of Timbren Rear Suspension Kit that Fits 2026 Toyota Tundra
    Hey Thomas, we have the TORTNDR that fits your 2026 Toyota Tundra with our part number # T45MR. We also have the severe duty part # T65MR that is their part number TORTTNDR. What version of the Tundra do you have?
    view full answer...
  • Will SumoSprings Fit 2023 Toyota Tundra TRD With Lift Kit
    Hey Joshua! All of the SumoSprings like # SS46PV are designed to fit the Tundra at stock height. SuperSprings does not offer additional spacers to make up for the height difference so these won't work on your Tundra TRD with the lift. What you can use instead is the Timbren Suspension Enhancement System # T45MR. You will also need the Spacer Kit for Timbren Suspension Enhancement System # T33AV. If you don't like the Timbren the only other option would be to add an air bag system like...
    view full answer...
  • Do I Want Sumo Springs or Timbrens to Pair with My Weight Distribution Hitch?
    Hello Barry, Since you already have a weight distribution (WD) hitch and are only experiencing a little rear sag, I recommend going with SumoSprings. I typically only suggest Timbrens for those who are towing heavy loads regularly, as they can create a noticeably harsh ride when the vehicle is unloaded. Given that the sag is “not much but noticeable,” the SumoSprings Custom Helper Springs Rear Axle # SS46PV (blue) should be a great fit. These are rated for 1,400 lbs, while the yellow...
    view full answer...
  • Timbren Suspension Enhancement For 2024 Toyota Tundra With 3-1/2 Inch Lift
    Hi David, There is an option for bump stops for your 2024 Toyota Tundra with a 3-1/2 inch lift by using Timbrens, you'll just need a spacer kit and some extra spacers to go with it. So what you can use is the Timbren Suspension Enhancement System # T45MR, Spacer Kit # T68MR, and a couple of the Timbren 1" Spacer # TA25723-90AD00.
    view full answer...
  • Is Spacer Needed for Install of Timbren Kit T45MR on 2024 Toyota Tundra SR5
    Hey Jerry, you would not need to use any additional spacers with the Timbren kit part # T45MR that fits your 2024 Toyota Tundra SR5. Since your truck is all stock and this kit was designed to fit your vehicle no additional spacers would be required.
    view full answer...
  • Should I Run the Spacer with the Timbren for 2025 Toyota Tundra
    Hey David, I would test fit everything and see which orientation works best. With the spacer or without. Ideally when the kit is installed there will be 1 inch of space between the Timbren and the frame so whichever orientation gets closest to that would be what you'd want to go with. If you do run the spacer and you find that the ride quality is rough you can always remove it to improve the ride quality.
    view full answer...
  • Height of Timbren SES for 2025 Toyota Tundra 4x4
    Hey Gregg! The overall height of the Timbren Suspension Enhancement System # T45MR is 6". See the attached picture. This is confirmed to fit your 2025 Toyota Tundra 4x4 without a lift. If you need anything else feel free to reach out in the comments below.
    view full answer...
  • Which Timbren Rear Suspension Enhancement Kit for 2022 Toyota Tundra
    Hey Matt, so you would definitely want to go with the standard capacity Timbren kit part # T45MR that fits your 2022 Toyota Tundra over the severe service. The severe option is for trucks that will always have a heavy load in the bed like a camper or always towing a trailer. For your application it would be WAY to harsh and you'd hate driving the truck. The standard duty will be a much better blend of ride quality and support.
    view full answer...
  • Difference Between Spacer Kits
    Hello again Chris; the # T68MR is for the severe service kits that fit the 2000-2021 Tundra. These are designed for heavy applications under constant load like a salt spreader. Since you will be using the standard Timbren SES # T45MR the Spacer Kit for Timbren Suspension Enhancement System # T33AV is the correct set of spacers.
    view full answer...
  • Suspension Enhancement for 2024 Toyota Tundra With 3" Lift
    Hey Joe! SumoSprings doesn't have an option for additional spacers so they will not work with your lift. The gap between the springs and the frame would be too much so they would never engage. If you don't want air bags the Timbren SES # T45MR is the only option. The height of the Timbren is 6" and you want about a 1" gap so you can add two of the Timbren 1" Spacer For Raised Frame Vehicles # A25723-90AH00 on each side. Take a look at the picture of the spacers below, it will still be...
    view full answer...
  • Will Timbren SES Require Spacers on 2023 Toyota Tundra TRD With Factory Lift
    Hey Chris! Timbren does recommend using the spacers # T33AV on your 2023 Tundra TRD with the factory lift. This will give you the correct gap when installing the Timbren Suspension Enhancement System # T45MR so it engages properly. Are you adding these for towing or something else?
    view full answer...
  • Recommended Suspension Enhancement For 2022 Toyota Tundra With 3-1/2 Inch Lift
    That's a cool set up you have there, and the best option for suspension enhancement for your 2022 Toyota Tundra is going to be Timbrens to help support the added weight in the rear. The correct part number for your '22 Tundra is the following: - Timbren Suspension Enhancement System - Rear Axle # T45MR The reason why I like the # T45MR is because they the brunt of that added weight, engaging when needed to counteract any type of sag and body roll you'll get with the camper and that added...
    view full answer...
    Image 1 for
  • What Is The Difference For The Timbren Jounce Springs For a 2022 Toyota Tundra?
    First we have the Timbren Active Off-Road Bumpstops # T83MR for your 2022 Toyota Tundra. These bump stops allow for the most suspension travel while still absorbing road shock to improve your suspension comfort off road. The Timbren Suspension Enhancement System # T45MR is their standard set of jounce springs. This is the kit you want if you are looking to reduce sag while hauling heavy loads but also still drive without any additional weight at times. Finally the Timbren Severe Service...
    view full answer...
  • Is T45MR a good fit for my 2024 Toyota Tundra to aid in hauling my 6000 lb camper
    Hi Tom, since you only tow 40 hours out then I would recommend taking a look at part # HE49FR, the Hellwig Pro Series Helper Springs. They have 2,500 lbs capacity and are bolted on between your factory leaf springs and the bump stop. The Timbren springs are good however they work best when the truck is carrying a load. When the truck is empty, they tend to give a rougher ride. You can still use them however be prepared to uninstall when you are not towing. The Hellwig springs can be adjusted...
    view full answer...
  • Overall Height of Timbren Suspension Enhancement System T45MR For Toyota Tundra
    I checked with Timbren, and the overall height (from the top of the bracket that bolts to the frame to the bottom of the spring) is 6 inches for the Timbren Suspension Enhancement System # T45MR.
    view full answer...
    Image 1 for
  • Options For Helping The Rear Suspension On A 2023 Toyota Tundra SR5 6.5' Bed
    There will be a few options for helping the rear suspension on your 2023 Toyota Tundra. Adding a Timbren Suspension Enhancement System # T45MR will certainly help to reduce sagging and improve stability when towing. The main advantage of Timbrens is they are easy to install and require no maintenance. The downside is that they may create a bit of a bumpy ride at times when you are not towing or carrying your quad. The other option is adding an air bag kit like the Air Lift LoadLifter...
    view full answer...
  • Best Timbren Suspension Kit for a 2024 Toyota Tundra
    The best Timbren kit for your 2024 Toyota Tundra is the Timbren Suspension Enhancement System # T45MR rated for 6K. The Off-Road kit and the 7K kit will have the Timbren bumpers engaging a bit quicker than what you'll need with standard vehicle use which is why the 6K version is best.
    view full answer...
  • Timbren Suspension Enhancement Options For A 2023 Toyota Tundra TRD PRO
    With the Timbrens there isn't a difference in fitment between standard model Tundra's and the TRD Pro so you'll be able to use one of the following options for your rear suspension: 4,800lb capacity # T83MR 6,000lb capacity # T45MR 7,000lb capacity # T65MR If you'd like to swap out the front bump stops as well then you can choose from the following options: 1,800lb capacity # TABSTOF 14,000lb capacity # TTOFTUN4
    view full answer...
  • Will Installing Timbren SES Affect Offroad Performance Of A 2024 Toyota Tundra TRD Pro
    Hey Carlos, Yes, installing the Timbren Suspension Enhancement System # T45MR will affect your ride quality and handling while off-roading in your Tundra. These springs provide a cushion between your frame and axle so that the harsh bumps over rough terrain won't throw you around. Timbrens are well known within the off-roading/overlanding community as the gold standard for suspension enhancement so you're making a solid choice. Timbren recommends a 1" gap between the axle and spring...
    view full answer...
  • Recommendation For Reducing Sag On 2022 Toyota Tundra SR 4x4 When Trailer Towing
    The best solution for reducing your rear end sag on your 2022 Toyota Tundra SR while also providing for the safest ride possible is by installing a Equal-i-zer Weight Distribution System. The Equal-i-zer helps to redistribute the tongue weight more evenly across your Tundra reducing sag. Reducing rear end sag removes the light steering feel and diminished braking. This hitch also helps to reduce trailer sway which often occurs due to the large size of the camper and strong winds. You will...
    view full answer...
  • Do Timbren Suspension Enhancement Work on 2024 Toyota Tundra With Coil Springs
    They do; even with coil springs on your 2024 Toyota Tundra you can install and use the Timbrens, with the correct part number for your truck being the following: - Timbren Suspension Enhancement System # T45MR The # T45MR will install next to the coil springs so there won't be any interference and the two will work together.
    view full answer...
  • Front and Rear Suspension Enhancement for 2022 Toyota Tundra Towing Travel Trailer
    The Coil SumoSprings # CSS-1094F are designed to add additional support to the front. Since you don't have a front load on your 2022 Toyota Tundra I don't think this will be necessary or make a real difference. As for the Timbren # T45MR, I would consider how frequently you're towing or hauling before adding them. If you're towing this trailer all the time they are an alright option. If not, your unloaded ride quality will likely leave you wishing you hadn't added them to the truck. I...
    view full answer...


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