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  1. Vehicle Suspension
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Timbren Rear Suspension Enhancement System
Timbren

Timbren Rear Suspension Enhancement System

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$269.36
Retail:$316.90
You Save: $47.54
Vehicle Suspension

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6,000-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. Great Prices for the best vehicle suspension from Timbren. Timbren Rear Suspension Enhancement System part number TFR1502D can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Timbren Vehicle Suspension

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

6,000-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
    • 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: 6,000 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. 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.



FR1502D - Rear Suspension Enhancement System with Aeon Hollow Rubber Springs by Timbren

Item # TFR1502D

Installation Details TFR1502D Installation instructions

This Product Fits The Following Vehicles





Customer Reviews

Timbren Rear Suspension Enhancement System - TFR1502D

Average Customer Rating:  4.7 out of 5 stars   (6500 Customer Reviews)

6,000-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.

by:

Works great for heavy tongue weight conditions! But etrailer, c'mon man, you can't ship this in a retail box!!! USPS received the damaged box from UPS, and they had to tape it up for final mile delivery. Luckily everything was still in the box.



by:

Ordered Timbren SES for 2017 F350 4x4. Hope to reduce sway when loaded with truck camper. Arrived in less than 48 hours. Installed easily. Will road test in a couple weeks.



by:

worked perfect. Very easy install. Made the vehicle nice and stable when loaded.



by:

Work as advertised. Truck only drops 1" . Easier & less expensive than air bags



by:

Superb. Exactly what was needed.



by:

Third truck I’ve used Timbren’s on, they are great. No more broken leaf srings. Quick shipping. You won’t regret this purchase.



by:

I have a 2020 Ram 1500 Classic. They were easy to install once I used soap, not soapy water. I tried the soapy water and could not get them in. Used straight up Dawn and they went right in.



by:

My husband attached them to his truck and my husband stated that they were extremely easy to install, directions were very simply and easy to follow. Shipping was extremely fast and efficient and arrived right on time. We haven't attached our RV to our truck and haven't taken our camping trip yet. So we can't give a review about how well the truck will handle once a load is attached.



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by:

this product is great! I put everything on like the instructions said,the ride was a little stiff so I jacked the back of my 3/4 ton back up took the 1 in.rubber disk off.now the ride is perfict.thank you!!!!!!!



by:

The Timbren ses went on easy and worked like a charm. Thanks so much.



by:

easy installed !! have not take pickup out and test it with enclosed trailer.



by:

Works well. Pain to install but does the job. Don't attempt to install without air impact



by:

The Staff of etrailer were outstanding in helping with my orders. Packages came in a day early (that was great)



by:

Shipping was so efficient arrived days before estimated. Order was placed and within an hour was shipped!!!



by:

Great product, but I had to go buy my own hardware to mount ,the nuts that came with kit would not fit the bolts way too big.



by:

Very fast delivery, good product, worked as advertised. It solves the sagging when my trailer is hitched.



by:

RV handles curves much better then before, more solid handling.



by:

So far everything is working. Just as I though. The only complaint I have is the wait time that it took (12) days from the order date to when I receive the item.



by:

Really makes a difference when hauling a heavy gooseneck.



by:

These are exactly what my truck needed for the heavy loads I put into the bed.



by:

They look as shown on the home page
Fast service



by:

I have not put any weight on it yet so that will come later. I have a 2007 G.M.C. 2500 H.D. and I pull a 40 foot Big Horn Traveler. What I want to talk about is the install. It was quick only took about a hour. Take the tire down and start. Had no problems it went just like the video showed. I did not use the big washer I didn't have enough room.I have about 1 inch of travel before they come in to play so ride is the same.



by:

nice ride with my 5th wheel



by:

Takes the sag out for a bargain, but not as good as real springs


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See what our Experts say about this Timbren Vehicle Suspension

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    The amount of tongue weight you have at 965 lbs it probably higher than what your F-150 is rated to tow which is why you are experiencing sag even with a weight distribution system. Suspension enhancement can help give you more support but if you are above the weight capacity of your vehicle suspension enhancement would not be enough to allow you to safely tow beyond that. The SumoSprings kit part # SSR-108-40 would give you an additional 1,000 lbs of support when towing though and would...
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  • Suspension Enhancement and Gooseneck Hitch Recommendation for 2007 Ford F-150
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    The Draw-Tite trailer hitch # 41933 has a tongue weight capacity of 1,000 pounds. But you will want to check the owners manual for your 2006 Ford F-150 to determine its capacity. Whichever is lower, the truck or the hitch, is the capacity you need to go by. In order to be able to carry the motorcycle and the carrier you will need a tongue weight capacity of at least 675 pounds based on the weights you have provided. You will likely see some rear end sag on the truck. To prevent this you...
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  • Rear Suspension Enhancement Compatible With Lifted 2004 Ford F-150
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  • Can More Than One SumoSprings CSS-1168 be Used at the Same Time
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  • Weight Distribution System Recommendation for a 2013 Ford F-150 Towing 8500 lb Trailer
    Actually for towing a trailer as heavy as yours I have a better solution than suspension enhancement. Instead you would want a weight distribution system. Not only will weight distribution help prevent rear suspension sag like the suspension enhancement, but it will also move part of the tongue weight of the trailer up to the front axle of the trailer which will help with braking and handling unlike suspension enhancement. The best way to pick out a weight distribution system is to base...
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  • Can Timbren Helper Springs be Installed on a 2007 Ford F-150 with a Slight Lift
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  • Under-bed 5th Wheel Mount Kit and Suspension Enhancement for a 2011 F150 Super Crew Cab 6 1/2 Bed
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  • Availability of Firestone Vehicle Suspension for 2012 Ford F-150 Compatible with 5th Wheel Hitch
    According to Firestone, the # F2525 is not compatible with a fifth wheel hitch. Their # F2542 had been tested with the B&W hitches, but not with anything from Reese. Because the F2542 mounts to the outside of the frame rail, I believe the install brackets for the Elite Series would interfere with the install of the airbag kit. Going with a Timbren system like # TFR1502D for 2WD or # TFR1504D for 4WD would be compatible, as they replace the factory jounce stop on the bottom of the frame...
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  • Recommended Suspensin Enhancement For 2016 Ford F-150 Towing A Trailer And Dirt Bikes In Bed
    Since you said the rear of your F-150 sags when the dirt bikes are in the bed I recommend using a Timbren Rear Suspension Enhancement System, part # TFR1502D if you have a 2-wheel drive truck with stock height. This system does not affect the ride of your truck when you are not towing but as more weight is added helps to cushion the load and provide additional support. No drilling is required for installation and it has a capacity of 6,000-lbs. This will not increase the weight capacity...
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  • What is Recommended Distance between Timbren Spring and Axle
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  • Will the Timbren Suspension for the Ford F150 Affect Unloaded Ride Height
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