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 # TGMRSB4S
lowest price pledge
Retail:$252.55
Our Price: $214.67
You Save: $37.88
Vehicle Suspension

Will this fit?

To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.

This item qualifies for Free Shipping
Shipping Weight: 6 lbs
*Attributes in bold are required.
Timbren Rear Suspension Enhancement System Jounce-Style Springs TGMRSB4S
zoom in icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

Customer Photos

Videos

3,600-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. Lowest Prices for the best vehicle suspension from Timbren. Timbren Rear Suspension Enhancement System part number TGMRSB4S can be ordered online at etrailer.com or call 800-298-8924 for expert service.
  • All Info
  • Reviews (2002)
  • Q & A (16)
  • Videos (1)
  • Photos
  • Why etrailer?

Timbren Vehicle Suspension - TGMRSB4S

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

3,600-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
      • 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


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: 3,600 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 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.



GMRSB4S - Rear Suspension Enhancement System with Aeon Hollow Rubber Springs by Timbren

Installation Details TGMRSB4S Installation instructions

This Product Fits The Following Vehicles




Video of Timbren Rear Suspension Enhancement System

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Timbren Front and Rear Suspension Enhancement Systems Review

Speaker 1: Today we're going to be taking a look at the Timbren line of suspension enhancement systems. Any time that we add weight to our vehicle, it's going to put a lot of strain and stress on the suspension, especially if we're towing a heavy camper, trailer, or we have a heavy load in the back.Tends to have the back end squat down, which again, it's going to put that strain and stress on the rear suspension because not only are we asking it to hold up the weight of the vehicle, but everything else that we add on to it. Which that can arise a lot of different issues. The front end is going to be getting pulled off, which will misalign our headlights, and our tires won't have as much contact, so our steering and braking is going to be diminished.But tat;s where timbrens are going to come into play. They're going to provide us that extra support so that when we do have those heavy loads, the back end doesn't sag down quite as much, and it's not putting so much stress on the back end. By doing that, the front end's not going to rise up, which means our headlights will be in line and our tires will have the correct amount of contact and pressure, so our braking and steering isn't affected.

And they're going to do that all while making our ride more comfortable with that extra load.Our timbrens are going to provide us the support we need by replacing our factory jump stops and mounting in between the frame and the axle. Now, yours may look different, so you want to double check inaudible 00:01:20 fit guide for your specific application.Now, each one of our timbrens is going to feature a steel bracket. They're all going to have black, powder coat finish on them to resist that rust and corrosion or any other kind of chemicals that may be on the road. They're going to have a hollow, rubber ayon 00:01:36 spring that's going to take a lot of that pressure and strain off of the rear suspension.Whenever we do load our vehicle down, the space between our frame and our axle is going to get smaller. That's where our spring is going to make contact with the axle, and it's going to start compressing.

Now, they are progressively rated, so if we have a small load or a light load, it's going to have a little soft engagement. But the further it gets compressed, the harder and stiffer it becomes, giving us the support we need with those heavy loads.And since they are rubber, they're going to have a lot of give to them, which means they're going to give us the support we need. But at the same time, they're going to give us some more cushion and absorb some of the road shock as we drive. And since the rear ones here aren't in constant contact with our aXle, it is going to provide us the same ride quality when it's unloaded.Our timbrens are going to work independently from each other from side to side. That way, if we have an off center load, it will help compensate for that, but at the same time, if we take an evasive maneuver or a really sharp turn, this is going to help reduce that body roll and some of that sway feeling that we get going on when we have a lot of added weight.Our timbrens for the rear are going to be a good enhancement for any time you're going to be adding weight to the back of your vehicle, whether it be a heavy trailer, a large load in the back or any other situation where you're adding a lot of weight to the back of your vehicle.Now, timbrens on the front are going to be a little bit different.

They're going to provide us that load-leveling support and make sure the front end doesn't get pushed down too far. However, these typically are going to be in contact all the time, which means it's going to give us that support and help reduce on that body roll all the time, all while absorbing that road shock, giving us a smoother ride.Now, some situations where you'd want that extra support on the front of the vehicle to keep it from getting pushed down too much would be if you have a snow plow or winch, if you flat-tow your vehicle, or if you have any other heavy accessory on the front. This is going to make sure that front end stays where it should be, and again, making sure our tires, braking and steering acts how they should.When comparing the timbrens to other suspension enhancement options like airbags, these are going to be a lot easier to install because we're not going to have to worry about running lines, maintaining air pressure, putting in switches or compressors or any of that. Once these are installed, these are going to be completely maintenance free. However, airbags are going to provide us with a lot more adjustability, whereas our timbrens are not going to have that.That'll finish up your look at the timbrens suspension enhancement systems..


Customer Reviews

Timbren Rear Suspension Enhancement System - TGMRSB4S

Average Customer Rating:  4.7 out of 5 stars   (2002 Customer Reviews)

3,600-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.

- TGMRSB4S
by:
Chevrolet Suburban

Very happy with this product. I have bought these for 2 different vehicles, Great for the price & does the job fine. It decreases the sagging of my 3/4 ton Suburban by 3" or 4 ". I wouldn't pull a trailer without them. 749719



- TGMRSB4S
by:

I've only used these twice since I bought them. I was pulling a little over 10k pounds. These "springs" keep the rear end from squatting and it maintained a really smooth ride while pulling. It still squats a little because the rubber compresses some when there is weight on it. Also, I have different torsion keys and the front end is leveled. When you look at the pictures, it gives the illusion that it's squatting in the rear a lot. But remember, the front end had been cranked up 1.5 inches. I really like them over all. My only complaint is that when you keep them installed when you aren't pulling, it rides really rough. These prevent rear suspension travel. When you hit a bump, the axle hits these stops and it hits hard. I just take them off when I'm not pulling and put them back on when I do pull. After you switch them out a few times it only take 10 or 15 minutes to do the job. I'd rather have these than airbags. More reliable, less maintenance. I would buy them again. 666620



- TGMRSB4S
by:

Very good value, this does help support the vehicle when I hook up the trailer. I measured the height of the wheel base and it holds higher with this unit installed. 560043


Comments
Fantastic, I ordered a second set for another truck I own. They set above the axle so when not loaded there is not a stiff ride.
Mark - 08/30/2019

60620

- TGMRSB4S
by:
2002 Chevrolet Avalanche

The order process was great with excellent delivery. As an automotive professional I have recommended and installed well over 100 sets of Timbren's on customer vehicles. When it was my time to address weight and sag due to my new trailer...it was obvious what I was going to do. As expected they reduced my sag 1 3/4 inches at the rear wheel body to tire with trailer hooked up. etrailer was recommended to me and I will use them for all my needs from this point forward. Absolutely great service and I rarely give 5 stars. They do deserve it with product and service. Thanks George J. 494679


Comments
After 1 year they are doing exactly what was expected of them. A great product with great results. I will and have recommended etrailer to many people because of the quality products and fantastic service and followup.
Terry W - 04/10/2019

52767

- TGMRSB4S
by:
2001 GMC Yukon

Installed on a 2001 GMC Yukon XL 2500. These worked great, i have airbags on my dually but wanted a less involving install and wont be hauling as many varied loads as that truck. They were simple to install and even solved some body roll issue that would lead me to consider installing a sway bar. 467858



- TFR250SDJ
by:

Review from a similar Aeon Spring System in Vehicle Suspension


These things work great. You never have to worry about air leaks or the air pressure like you do when you have bags. 601205


Comments
They are still working great.
Harold - 01/30/2020

65052

- TFRTT350F
by:

Review from a similar Aeon Spring System in Vehicle Suspension


These arrived as scheduled. The look good, well made. On my way out to install them now. The will get tested later today on the way to the lake. 703241



- TFRTT1504E
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Timbren Suspension Enhancement System - Rear Axle Item # TFRTT1504E Just had a chance to install the Timbren. Went on a short drive with no load and have not hooked up the trailer yet. About an hour to install, the instructions where not very good but going on line etrailer site and followed the video. Very good product! 734943



- TGMRYS4
by:

Review from a similar Aeon Spring System in Vehicle Suspension


So far they look great. I will put on this weekend and see how they work with my travel trailer. 476068



- TGMRYS4
by:

Review from a similar Aeon Spring System in Vehicle Suspension


I installed the Timbren Aeon Spring System Vehicle Suspension a year ago. It took about 20 minutes to do the whole installation. I'm really impressed with the overall construction. It didn't negatively impact the ride and I can now put anything I want in the bed of the truck, while hauling a travel trailer, with no concerns. 737144



- TFRTT350E
by:

Review from a similar Aeon Spring System in Vehicle Suspension


5 stars. Easy to install and made a big difference when pulling a 9k pound travel trailer. I would recommend it to anyone pulling a trailer. Kept it from sagging and level. 699184



- TFR250SDF
by:

Review from a similar Aeon Spring System in Vehicle Suspension


I have a Timbren rear suspension system on my 1982 Chevy truck that I still own, and after 20 years they still work fine. This latest set installed easily on my 2001 F-250 and they work just as well with and without a load. 440182



- TDR3500CA
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Ordered these from Etrailer.com and got them in three days. Super easy to install on Ram 3500. Didn't have to jack up truck. Assembled is 6.5" on Ram 3500, I had 7" to play with so plenty of room. Haven't added a load yet as 5th wheel is on order. Looking forward to it. 609612


Comments
A year after purchase and after 8000 miles on my fifth wheel, Id buy these Timbrens all over again. Work great! No squatting, no air maintenance.
Walt - 03/03/2020

70679

- TFR1502D
by:

Review from a similar Aeon Spring System in Vehicle Suspension


I purchased these to help with the squat on my F-150 when towing my 32--foot travel trailer. I need to tweak the setup on my WDH, but otherwise am very pleased. Without the trailer, you don't even know they're there. 558730



- TFR250SDF
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Fast shipping 400467



- TFR1504D
by:

Review from a similar Aeon Spring System in Vehicle Suspension


This was so easy to install, you DO NOT need to take rear tires off.. 60 Minute install. I went without the additional spacer to allow for a little nicer ride when empty. Very well made 730169



- TGMRCK25D
by:

Review from a similar Aeon Spring System in Vehicle Suspension


I installed them on my truck yesterday. Very simple to put in. Won't be able to see how well they work until I hook up our 5th wheel next for a trip. 576508



- TFR250SDG
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Sold vehicle shortly after install,never got a chance to use it. But the install was very easy and product was high quality. 636794



- TDR2500D
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Extremely simple install! The package was shipped quickly and arrived in perfect condition. The removal of the OEM bump stops and installation of these new ones took less than 15 minutes. All required hardware was supplied to use in concert with the existing OEM hardware. The day after I installed the new Timbren bump stops on our 2015 Ram 2500, I loaded my 24 foot trailer with cattle (weight was around 14,500lbs) and drove 120 miles. These new bump stops made a world of difference in the stability and control of my vehicle. Highly recommend this upgrade to anyone looking for some additional towing stability. 726338



- TGMRYS4
by:

Review from a similar Aeon Spring System in Vehicle Suspension


The product worked out great... Did exactly what I needed it to do...Easy to put on.. 370797



- TDR1500DS
by:

Review from a similar Aeon Spring System in Vehicle Suspension


The product worked great and was very easy to install. The delivery took a little bit longer than I had hoped for, however everything worked out fine. I would highly recommend this product for towing, or if you're putting your vehicle under any kind of a load. E Trailer was fantastic! 561603



- THROD2
by:

Review from a similar Aeon Spring System in Vehicle Suspension


The product first arrived in a damaged box with one of the washers missing, but ETrailer did resupply that. The hardest part was finding a shop able (needs the right tools to depress coil springs) and willing (a potential liability issue messing with suspension) to replace it for a reasonable cost. Eventually a local tire shop agreed to. This was for a 2014 Honda Odyssey, especially for pulling a pop-up. Took two camping trips last summer, one before and one after installation, and I have been pleased with the added stiffness in the rear suspension. It made about 1 to 1.5 inch of difference in resting position when fully loaded and towing and has helped smooth out bumps and humps in the road - both when towing and not. 589641


Comments
Took a couple more trips this year, and its all still working good, but I found out there still is a limit to how much weight you can pack on the rear axle. Dont recommend using a double hitch extender for bike rack plus towing because it spans the tongue weight too great of a distance from the van and gets too close to the ground. This is as much a comment on not overloading the suspension as it is on the DrawTite hitch I got on etrailer.
Dan O - 12/11/2019

63761

- TDR1500DS
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Works perfectly, easy install. Will be making another purchase for other trucks now that we were able to see how well they worked. 702944



- TFF350SDC
by:

Review from a similar Aeon Spring System in Vehicle Suspension


Arrived soon than expected. I installed these front springs myself after watching videos of others who had done it and claimed that it was relatively easy. I am not a mechanic and don't have many auto mechanic tools but have enough knowledge about vehicles to know my way around. Installation really wasn't too bad. Over an hour with a floor jack and two jack stands in the garage. After completing, I measured wheel clearance to be about the same as before even though new springs contact front axle of my 2014 Ford F250 SD diesel truck. After a ride on country roads I found the ride to be somewhat firmer than usual but not uncomfortable. I felt more of the road while bouncing less. The real test will be during next snow event when my Boss 9' V-blade plow hooks up and goes to work. 603654



- TDRTT3500D
by:

Review from a similar Aeon Spring System in Vehicle Suspension


I installed this kit in about a half hour. So simple and easy. Towed my Montana fifth wheel and my truck sat perfectly level. I was going to install a rear sway bar kit but dont need to now. Etrailer got me this kit fast and on time. Awsome company to do business with. Thank you etrailer. 566432


27
2267
Show More Reviews

Ask the Experts about this Timbren Vehicle Suspension

  • Recommended Suspension Enhancement For 2005 Chevy Suburban 2500
    For your 2005 Chevy Suburban 2500 4x4, I recommend the Timbren Rear Suspension Enhancement System # TGMRSB4S. This will stabilize your vehicle to significantly reduce that sag by using the Aeon Rubber that becomes more rigid as more weight is added. These springs are extremely well suited for towing, they just don't have the adjustability of the air springs, which you may not even desire. This will work just as well as the air springs, but the air springs have a little smoother ride....
    view full answer...
  • Weight Distribution System to Reduce Rear Sag in 2012 Chevy Suburban Towing Camper
    If you already have the Roadmaster Active Suspension system # RAS4611 installed in your 2012 Suburban and you still have rear sag when your camper is hitched I recommend using a weight distribution/sway control (WD/SC) system if you do not already have one. You could add Timbrens but WD is a better option. Weight distribution will do more to level the Suburban and eliminate the rear sag than adding a set of Timbren jounce springs since WD/SC systems actually shift trailer tongue weight...
    view full answer...
  • Can a 2002 Chevrolet Avalanche 2500 Tow a 5th Wheel or Gooseneck Trailer
    I do have options for you to tow a heavy trailer with your 2002 Chevrolet Avalanche 2500 but a gooseneck or 5th wheel trailer would be off limits. The reason for this is not so much as the weight of the trailer is more than the vehicle can handle though it would be a stretch but more so that the configuration of the truck bed does not allow for turning clearance. The Chevrolet Avalanche only has a 5' bed and the bed rails further limit turning clearance therefore you would most likely be...
    view full answer...
  • Timbren Springs Not Lining Up with Axle Bracket on 2004 GMC Yukon XL
    Is it the additional spacers that are causing the main part of the spring to out of alignment compared to the stock bump stops on your 2004 GMC Yukon XL? Are the Timbren springs fully seated in the bump stop cups? On these vehicles it is hard to manually push them into place. We usually use a block of wood and slowly put weight back on the axle so that the wood and the weight will push the springs into the bump stop cup. And I know you have the Z71 springs but is the Yukon itself 4-wheel...
    view full answer...
  • 2009 Chevy Suburban Z71 Sags at the Back with a Trailer Connected
    A properly rated weight distribution that is set up correctly should eliminate the sag you are experiencing on your 2009 Chevy Suburban. It is possible that the spring bars on your EAZ Lift system are rated too low and thus cannot eliminate the sag. If the trailer tongue weight is 1,000 pounds then the spring bars need to be rated higher than that. A system that is rated for 700 to 1,400 pounds tongue weight, such as # RP66561 would be a great option. You could also add rear helper...
    view full answer...
  • Will the SumoSprings Custom Helper Springs Kit # SSR-204-40 fit a 2004 Yukon Denali XL
    As long as your 2004 GMC Yukon Denali XL is a 1500 the SumoSprings Custom Helper Springs Kit # SSR-204-40 you referenced would work for you. If you have a 2500 you would want a Timbren Rear Suspension Enhancement System # TGMRSB4S as this is a similar system that will work on a 2500.
    view full answer...
  • Recommended Timbren Helper Springs on 2006 GMC Yukon XL Denali AWD
    For your 2006 GMC Yukon XL Denali AWD, the Timbren Rear Suspension Enhancement System # TGMRG25C is a fit for the 1500 series and the # TGMRSB4S is a fit for the 2500 series. I've attached a video as well as the installation details to assist.
    view full answer...
  • Suspension Enhancement Recommendation for 2008 GMC Yukon XL with Auto Level Suspension
    Since you have the auto leveling suspension on your 2008 GMC Yukon XL you'll need suspension enhancement that replaces the bump stop of your suspenion like the Timbren kit part # TGMRYS4 for if you have a 1500 or the part # TGMRSB4S for if you have a 2500.
    view full answer...
  • Difference Between Timbren Springs for 2004 Chevy Suburban 1500 and 2500
    The Timbren Rear Suspension Enhancement System # TGMRYS4 that fit a 2004 Chevy Suburban 1500 and Timbren Rear Suspension Enhancement System # TGMRSB4S that fit a 2004 Chevy Suburban 2500 are different products that install differently and have a different affect on their vehicles, hence the 6,000 lb capacity for the springs that fit the 1500 and 3,600 lb capacity for the springs that fit the 2500. This is simply the capacity that Timbren's engineers determined after their product testing. I've...
    view full answer...
  • Recommended Suspension Enhancement Kits for 2001 Suburban 2500 with AutoRide Leveling System
    The AutoRide self-leveling and damping suspension system in your 2001 Suburban 2500 uses various sensors in the vehicle to control a compressor pump that continuously varies shock damping while driving. This system cannot be defeated and aftermarket air springs like the Firestone Ride-Rite cannot be installed on the vehicle according to my contact at Firestone. However, you can install a set of rubber jounce spring such as the Timbren front-axle kit # TGMFK25S and rear-axle kit # TGMRSB4S....
    view full answer...
  • Adding Rear Helper Springs to a 2001 GMC Yukon XL with Auto-Leveling Shocks
    I do have a solution for you but there are no air bag systems that work on the 2001 GMC Yukon XL with the auto-leveling feature. What you can do is use some Timbren springs which will engage only if they need to (if the vehicle sags enough). With the auto-leveling system and the weight distribution adding the Timbren springs will make the rig very solid. If you have a 1500 4x4 use # TGMRG25C If you have a 1500 2-wheel drive use # TGMRYS4 If you have a 2500 4x4 use # TGMRSB4S And if...
    view full answer...
  • Suspension Enhancement Recommendation For 2012 Chevrolet Suburban LT Without Airride
    If your 2012 Chevrolet Suburban is a 1500 series, the Air Lift Vehicle Suspension, part # AL60769, will work for you. These air springs fit inside your existing coil springs, adding support when hauling heavy loads, and Improves handling, braking and overall ride. No drilling is required for installation. The air pressure is adjustable from 5 to 35 psi. I would also recommend the Air Lift Load Controller II Compressor System for Air Helper Springs, part # AL25592. This system automatically...
    view full answer...
  • Helper Springs for a 2002 Chevy Avalanche Z71 with 6 Inch Lift
    Since the springs are longer than stock on your 2002 Chevy Avalanche air bags that fit inside the springs, such as # F4108 will not work. There are not spacers available that would work either. But I do have a solution for you. You could use Timbren springs # TGMRG25C for a 1500 or # TGMRSB4S for a 2500. Then you would need 8 of the 1 inch spacers, # A25723-90AH00, 4 for each side. Timbren does not recommend using any more spacers than that so there will still be a little travel before...
    view full answer...
  • Suspension Enhancement for a 2002 GMC Yukon XL
    Suspension enhancement products such as the SumoSprings # CSS-1168R are designed to be used with a stock suspension that is in good working order. It sounds like the rear suspension on your 2002 GMC Yukon XL is starting to fatigue some, hence the greater than normal squat, and it would be a good idea to inspect the suspension and replace worn parts as needed. At that time it would be up to you to add stronger springs or suspension enhancement. Please note that adding stronger springs...
    view full answer...
  • 2004 GMC Yukon Timbren Suspension Kit Recommendation for Front and Rear Axle
    For your 2004 GMC Yukon XL we have the Timbren suspension kit part # TGMFK25S which fits the front suspension and then the part # TGMRSB4S which fits the rear. Both of these kits act like bump stops except are much larger to make contact sooner than the standard bump stop so that they can provide additional suspension support.
    view full answer...
  • Suspension Enhancement Recommendation for 2013 Chevy Suburban 2500
    While we don't have air bag style suspension enhancement kits that fit your 2013 Chevy Suburban 2500 we have the Timbren part # TGMRSB4S as a fit that will give you the support you are wanting and have the advantage over air bag kits of being easier to install and not ever requiring you to worry about air leaks or proper air pressure. After the kit installs you'll basically never have to worry about it again.
    view full answer...

Do you have a question about this Vehicle Suspension?




  • Why etrailer.com?

    At etrailer.com we guarantee:
  • Highest quality vehicle suspension for the best price.

    Our Lowest Price Pledge ensures you will never overpay for the parts you need.
  • Real product know-how.

    We make sure that the products we sell are what we say they are, and that they work the way they are supposed to work. Get real advice from a real person who has the knowledge and expertise needed to solve your problem.
  • Most detailed, accurate vehicle suspension information available.

    Because we take providing accurate product information seriously, we take our own detailed product photos, demo videos and installation videos, as well as verify measurements, instructions, and vehicle fit information.
  • Installations, made easy.

    We love helping people and have the most highly-trained customer service, hands-on experience, step by step videos and installation instructions.
  • Fast shipping.

    Your order is automatically routed to get out of our warehouse and to your door as quickly as possible. Receive free shipping on orders over $99.
  • Personalized service for life.

    We provide one-on-one, personalized service from the ordering process through the life of your product.
  • Trusted since 1946.

    We've been serving customers since our parts store first opened in 1946 and continue to be recognized by our customers, our vendors and third parties for exceptional service.
  • Returns Policy

    Need to return an item? No problem. Please read our Returns Policy for more information.

Info for this part was:

Video Edited:
Jacob T
Expert Research:
Adam R
Updated by:
Mary E
Video by:
Jonathan Y
Installed by:
Robert C

At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.