Timbren Rear Suspension Enhancement System
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2007 Hummer H3
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2007 Hummer H3
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When a trailer or bed load starts weighing your rear end down, these hollow rubber springs step in with up to 8,600 lbs of extra support. The Timbren Rear Suspension Enhancement System sits above the rear axle to keep your truck level and steady under heavy loads. It helps reduce squat so your steering and braking stay consistent even when hauling something big. The springs work progressively—soft for light loads, firmer as more weight is added—so you always get balanced support without losing control.
Rough roads and bumps don’t have to beat up your suspension. Each Aeon hollow rubber spring takes the brunt of road shock, helping cushion impacts and keeping the ride comfortable when loaded. By absorbing vibration before it reaches the frame, they cut down on bounce and porpoising that can wear out your stock suspension. The result is a smoother, more stable ride with less bottoming out and less strain on your leaf springs.
Heavy loads can make your truck lean or sway through turns, but these springs work independently on each side to counter that movement. When one side compresses, the other stays firm, helping reduce body roll during sharp turns or quick swerves. That independent action also helps with off-center loads and keeps the trailer steadier in crosswinds, giving you a planted feel whether you’re towing or carrying uneven cargo.
Adding serious suspension support doesn’t need to be complicated. This system replaces the factory bump stops and bolts directly to the frame rails using vehicle-specific brackets and included hardware—no drilling required. There are no air hoses, compressors, or adjustments to worry about once installed. Just a reliable set-and-forget design that’s ready every time you hitch up or load down the bed.
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews
Brooke M.
4/29/2025
Love it, Warren! Thanks for checking in -- it's nice to hear that these are performing even after thousands of miles and a year out in the wild!
Warren
4/29/2026
Still performing well. Happy with purchase and ease of install.
Kenneth
3/3/2025
Product still works as designed with zero maintenance. My 2022 3500 GMC DRW truck empty does seem to ride a little rougher.
Kate F.
3/3/2025
David G.
5/17/2020
Great no issues, made a couple trips out to California pulling heavy trailers, the hitch and timbrens are working out great.
Mike L.
4/22/2026
Glad to hear your Timbrens are working well for you, Derrick!
Shaughn
10/22/2023
Works great Towed 5th wheel thousands of miles flawlessly. Better than the air bags I had on my previous truck in my opinion.
Mike L.
11/10/2023
Richard
5/17/2026
I am very pleased with Timbren SES. It does excellent when towing. It can stiffen ride without a load on rough roads, but does not take away advantage of having it installed.
Ty
6/17/2019
Excellent!!! Takes the long extended bounce out of bumps/dips in the road. Helps keep the truck from sagging with a big payload as well.
Mike L.
9/21/2026
Per UPS tracking, your order is scheduled to arrive tomorrow, 9/22/26. Your UPS tracking number is 1ZJ1006G03392 22493.
Richard
10/25/2018
I did 8,400 miles summer with a 3900 lbs dry weight truck/camper on the truck. The Springs preformed as good as I hoped they would. I definitely would recommend them for this application.
Lazer S.
9/16/2025
Nice truck, Bruce! Always like black and white trucks. Which floor plan is your Astoria?
Do you have a question about this Vehicle Suspension?
Condition: Like New
Notes: May have damaged packaging or minor cosmetic blemishes.
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Mike L.
4/2/2026
Glad to hear they worked well for you Jerrod. Hope you had a good trip!