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  1. Vehicle Suspension
  2. Firestone
  3. Air Springs
  4. Towing/Load Leveling
  5. Rear Axle Suspension Enhancement
  6. Heavy Duty
THIS ITEM IS NOT A FIT FOR
2001 Lexus GS 430
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Firestone

Firestone Ride-Rite Air Helper Springs - Double Convoluted - Rear Axle

Part Number: F2594
$509.16
Retail:$780.86
You Save: $271.70
Vehicle Suspension
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2001 Lexus GS 430

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5,000-lb Capacity. Ride-Rite air springs enhance your factory suspension for safety and stability when you are hauling heavy loads. They reduce strain on your rear axle, keep your vehicle level, and adjust to load size for a consistently smooth ride. Great Prices for the best vehicle suspension from Firestone. Firestone Ride-Rite Air Helper Springs - Double Convoluted - Rear Axle part number F2594 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Firestone Vehicle Suspension - F2594

Highlights

  • Custom Fit for Your Vehicle: Mounts to existing attachment points
  • 5,000-lb Load Support: Keeps your truck level and steady for safer hauling and towing.
  • Better Steering and Braking: Prevents rear sag so handling and headlight aim stay consistent.
  • Smooth, Stable Ride: Absorbs road shock and helps prevent bottoming out under heavy loads.
  • Adjustable Air Pressure (5–100 psi): Lets you fine-tune side-to-side leveling for uneven cargo.
  • No-Drill Setup: Installs between frame and rear suspension with all brackets and valves included.
Made in USA

Features to know about

Stay Level and Confident Under Heavy Loads: 5,000-lb Load-Leveling Capacity

When you’ve got a serious haul behind you or the bed loaded down, these Ride-Rite air springs step in with up to 5,000 lbs of load-leveling capacity. They install between the frame and rear suspension to keep the vehicle level, improve steering control and braking, and reduce tire wear. By keeping weight evenly distributed, you eliminate squat, maintain proper headlight aim, and drive with more confidence even when the load gets heavy.

Dial In the Ride You Want: Adjustable Air Pressure from 5 psi to 100 psi

Every haul is different, so adjust your springs to match. Air pressure ranges from 5 psi to 100 psi for precise leveling whether you’re carrying cargo or riding empty. Each side can be inflated separately using the included manual inflation valves to balance off-center loads. A quick tweak at the valves helps keep your setup comfortable and stable without harshness or bounce.

Firestone Ride-Rite air helper spring installation showing air line routing to vehicle bumper for manual inflation valve access.

Smooth Out Rough Roads: Double-Convoluted Rubber Springs

Bumps and dips don’t stand a chance against Firestone’s double-convoluted rubber design. Each air spring uses four layers of reinforced rubber tied together with a braided wire girdle for strength and flexibility. The design cushions between the axle and frame to absorb road shock and prevent bottoming out, which means a smoother ride and less strain on suspension components mile after mile.

Firestone Ride-Rite double-convoluted air spring showing rubber bellows, metal end plates, and reinforcement layers for heavy-duty suspension support.

Built Strong for Long-Term Use: Corrosion-Resistant Hardware and No-Drill Fit

Each kit comes ready with custom brackets, hardware, air line, and fittings for a simple no-drill installation. The heavy-duty rubber springs are crimp-sealed to corrosion-resistant metal end plates for durability and leak-free operation. Once in place, they work quietly in the background—supporting heavy loads, keeping your suspension healthy, and making every trip more stable and controlled.

Specs

Weight and Capacity

  • Load-leveling capacity: 5,000 lbs

Pressure

  • Adjustable air pressure: 5 psi to 100 psi

Warranty

  • Air springs: Limited lifetime warranty
  • Hardware: 2-Year limited warranty

Note

  • Construction material of the fittings: May vary

W217602594 Firestone Ride Rite Air Bags - Suspension Kit - Double Convoluted - Rear Axle

2594

Installation Details F2594 Installation instructions

This Product Fits The Following Vehicles




Video of Firestone Ride-Rite Air Helper Springs - Double Convoluted - Rear Axle
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Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for All You Need to Know About the Firestone Ride-Rite Air Helper Springs

Today, we're going to be taking a look at Firestone Ride-Rite Double Convoluted Air Helper Springs for the rear axle. You'll want to refer to our fit guide here at etrailer.com, to determine the appropriate set for you. Airbags is going to help improve safety and stability when hauling a heavy load. You can adjust the pressure to bring it back to the factory ride height, as well as adjust them independently, so you can adjust for an uneven load. Depending on the set that's appropriate for your vehicle, it can have a max load-leveling capacity between 3,200 pounds and 5,600 pounds. Now you keep in mind that this does not increase the load-carrying capability of your vehicle.

It's just there to help support the weight and bring you back to an even ride.Firestone's double convoluted design features four rubber layers, and a braided girdle in the middle, which helps gives it that double convoluted shape. What this means for you, is that it's going to increase the burst pressure. It's designed to hold up to 100 PSI, to provide the maximum support load. These are to provide assistance when hauling a heavy load in the back of your truck or SUV, or when hauling a large camper or trailer. Another benefit of having the air Springs is it'll help reduce the strain, put on your rear suspension and axle.

They can be used to more evenly distribute the load across the components, so one item isn't taking too much stress.You'll receive everything you need to get it installed in the kit. This includes the fittings where you'll air it up. The airline that'll run from your fittings to your airbags, your airbags, as well as custom fit brackets that are designed to easily and quickly install onto your vehicle. These are manually inflated, so you will need to provide your own air source, or stop by a gas station to adjust them. Now if that seems like too much of a hassle, or you haul multiple varying size loads daily, you can pick up an air compressor kit here at etrailer.com.

Firestone has a few available. We've got the heavy duty installed on our vehicle right now, with part number F2590.Some of our customers are curious if these come with internal jounce bumpers. They do not come with internal jumps bumpers, but with a high pressure of up to 100 PSI, they're plenty able to handle the job. Our customer Jim had to say, "This kit was super easy to install. In a matter of fact, I did the install in the driveway of my in-laws with a basic toolkit, as I found I needed these to provide a more pleasant towing experience when I was moving cross country." And then one year later, Jim had to say, "I like them more, the longer I have them.

I do my own projects around the house, and these are handy for the heavier stuff that you're going to haul from the point of purchase to the house. Keeps the truck level and helps you utilize all of the capability of the truck drivetrain, and frame." And that completes our look at Firestone Ride-Rite Double Convoluted Air Helper Springs for the rear axle..

Ratings & Reviews

4.6

3272 reviews
5 Stars
(2608)
4 Stars
(411)
3 Stars
(96)
2 Stars
(56)
1 Star
(101)
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by:
So the bags were only on the truck for a few months before the brackets started bending. Had to take them off a couple of times to straighten out the metal but they didn’t stay true for very long. When the system was new it worked beautifully, improved the handling of the vehicle and got better gas mileage. Ran them at about 50 to 70 lbs and they never leaked.tolerances on my vehicle are tight(like most new trucks) so even a slight bend in the brackets caused wheel contact, not a good scenario. Bags were installed on a 2016 nissan titan xd 4x4 to haul a cab over camper that has a dry weight of 1700lbs.
Katrina B. profile picture
Etrailer Expert

Katrina B.

6/27/2022

Generally, bending brackets happen when the air springs have too little air to support whatever load. When this happens, the rubber bellows becomes a rubber bumper and hammers on the brackets until something bends or breaks.

by:
Fast shipping hassle free service
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2015 GMC Sierra 3500
excellent product, very easy (uncomplicated) install. anyone who is somewhat mechanically inclined can install themselves. It took me about 3.5 hours by myself with simple tools and a jack on my garage floor. Hardest part was me getting up and down from the creeper.
On my truck, (2015 GMC) i had to remove Ebrake cable brackets on both sides and reroute, not a big deal. also, did not find it necessary to remove spare tire heat shield, worked around it just fine. Routed my schrader valves through the plate screw holders for easy access.
Jim profile picture

Jim

5/13/2026

Still happy with this install, bags help tremendously over bridge joints hauling my 5th wheel. not sure how these compare to Timbren setup, but i would guess better based on being able to adjust pressure. way more stable over bridges and bends in road.

by:
This installation took twice as long as it should have! The top plate had to be modified to clear the leaf spring U bolts and shock absorber bracket.
The Jounce doesn’t allow the installation of the 3/8@ bolts close the leaf spring that holds the brackets together. I’m not sure what to do with this now. I saw in other reviews where other people had similar issues. Not sure if it’s the universal bracket design vs having slotted holes like your video.
Any help would be appreciated.
Also both valve inserts had to be replaced!
Lazer S. profile picture
Etrailer Expert

Lazer S.

6/16/2026

I will be contacting Firestone about this, but what is the year, make, model, and version of the vehicle you are trying to install this on?

by:
Excellent customer service! Very knowledge staff and basically have anything you need!
I just unpacked my box filled with air bags for my truck! Great video showing how to install made it a breeze!!
Christopher H. profile picture
Etrailer Expert

Christopher H.

8/4/2026

Thanks for the kind words Robert! Also thanks for including the photo in your review. Glad the video was helpful!

Robert H. profile picture

Robert H.

8/4/2026

@ChristopherH You are so welcome. Great service deserves to be recognized ??
Claire H. profile picture
Etrailer Expert

Claire H.

8/4/2026

@RobertH
Christopher H. profile picture
Etrailer Expert

Christopher H.

8/4/2026

@RobertH We do what we can. Let us know if you need anything else!
by:
2025 GMC Sierra 2500
This the 3rd truck I've used and installed myself of the Firestone 5,000lb rated airbags on, and not one has ever failed on me. I used them on a 2007.5 Chevy LMM 2500 LT Silverado, a 2020 Chevy 2500 LTZ Silverado, and yesterday I put them on my 2025 GMC 2500 Denali. I did pair my new bags with an Airlift wireless compressor, which is an awesome addition to the bags. I like the fact that etrailer did a comparison video on the Firestone and AirLift bags, and they found the Firestone bags are of better quality and can support the weight of the axle if you lift the truck off the ground by the frame. If you have never installed these bags, you do not have to lift the truck off the ground or remove your rear tires. If you're like me, and do not have access to a lift, I suggest removing your spare tire, which will give you more seating area, and you will not bonk your head into it. Two thumbs up on this kit
Robert profile picture

Robert

1/17/2026

After 1 year of use, my Firestone airbags never let me down. Working perfectly. This is the 3rd trucks Ive run Firestone 5000 lbs. rated bags on with no issues.

by:
A great product, works well. Had to remount an electrical plug with zip ties
by:
I purchased this Firestone Air suspension and installed it myself on my 2017 Toyota Tacoma Access Cab 4x4. Not having a lift, I had to use a creeper and tarps under and beside the truck to do the installation. Installation was pretty straight forward after viewing the video from etrailer a few times and using the provided diagrams. You will need good 3/4" drive hand tools for the installation. An electric or air impact wrench and ratchet also speeds things up. I then installed a mini onboard compressor with remote control for in cab or outside operation. The system has never leaked air but if it did, any time the vehicle is started, the compressor will refill the system. I keep 10 lbs. air pressure in it and raise it to 20 when I haul my dirt bike on my hitch carrier and it compensates nicely and keeps the vehicle level. All good so far.
Alec profile picture

Alec

9/29/2025

Still working great as it should and doesnt leak air. The remote controller is really convenient and can be operated from inside or outside the truck. Definitely worth all the work. The shield I fabricated for the compressor keeps road grit etc. Out of the air intake of the compressor which should be a huge help for the life of the system. Love it.

by:
toyota Tacoma
Definitely help level the truck back out with the camper, and bed full of firewood cooler. Installed very easily, but it did have a clearance issue with a bracket almost touching the gas tank skid plate. Some grinding down and krylon flat black paint fixed that issue. But the little tacoma still needs heavier shocks to slow the travel down when hitting bumps. Especially bridge joints back to blacktop. In all worth the money, just need to set aside more money for better rear shocks to accommodate. May eventually change them to the cradles to keep flex availability. As well as less issues when putting the truck on a lift for service.
by:
2023 Chevrolet Silverado 2500
Installation was really easy except for the lower brackets that attach to a lip of metal. There was another piece of metal on the axle that got in the way but i pried and then hammered the bracket into place, squeezing it in. If I didn’t I’d still be able to get the bolt through but I bet as I tightened it down it would move the base plate and wouldn’t be lined up as well. No air is leaking so far. I didn’t buy the compressor so I might screw on some Bluetooth tire pressure monitors so I’ll get notified if pressures drop below 5psi. I have a 2023 Chevy 2500 and surprisingly with 15psi and no load in the bed it rides much better! Doesn’t hop all over the place
Mark profile picture

Mark

8/20/2025

I ended up adding an airlift compressor which was super easy to install and everything works great! I got tired of checking pressures, the air compressor monitors psi and kicks on if needed. I would buy and install these things again if I ever end up getting a new truck. Works great when towing my 12,000 pound bumper pull camper

by:
Just what my Tundra needed to help balance load of bed and trailer.
etrailer.com and the products they offer are 100% in my opinion.
Thank You for your excellent service and follow up.
Kate F. profile picture
Etrailer Expert

Kate F.

9/17/2025

Glad we had the right fit for your set-up Gary! What an awesome picture too! What has been your favorite trip you have been on this year? Where did you go, what did you see?

by:
2015 toyota Tacoma
I just installed them and put them to work immediately and I am impressed so far! Installation was pretty simple, and they fit great even with an Old Man Emu 3" lift (7 leaf spring stack). It only took about 15 psi to level up the Tacoma even with 1000 Lbs of feed and a steel high rack on it and they handled that load over 50 miles of some very rough west Texas terrain. They seem to be very well made and heavy duty. Time will tell if they hold up but again, I am very impressed thus far!
by:
2020 Chevrolet Silverado 3500
I’d really love to give these a 5 star as they massively improved the ride and porpoising of my truck with a fairly heavy truck back camper. We were shorted one bit of hardware in the kit that caused a 1 hour RT drive to the hardware store for a stupid bolt. One of the hex head flange/wedge bolts for the upper mount was missing . Simple ‘miss’ by someone but was annoying . That aside everything g was great.. instructions were clear and helpful… I’d give them a 2 of 5 for difficulty installing.. any weekend mechanic can do this. The truck rides better and is safer now so thumbs up all around except for Mr Bolt pack loader!
Gwendolyn Y. profile picture
Etrailer Expert

Gwendolyn Y.

6/17/2025

Thanks for being honest with your review, Lee. It really is a bummer when a part, even as small as a nut, is missing causing a delay with the install. However, I'm glad that you were able to get everything installed and that the ride is better and safer now. When's the next camping trip?

by:
It took a little more time to install than I thought, but then again I’m 72 years old and a perfectionist.
Seriously though, they installed per the instructions and the only modification I had to make was to the passenger side brake line, which had to be removed from its holder and gently bent in order to obtain the recommended clearance.
by:
2019 Chevrolet Silverado 2500
Great product! Quick shipping, good install instructions, easy to use. Installed these on my 2500HD. Next day had 2,500# of shingles loaded in the truck bed. Truck still sat level, and handled great! I highly recommend for anyone moving weight. Difficulty to install from 1-10, 1 being easiest these are about a 3. I would say around the same level as changing a set of brake pads.
by:
The installation was pretty straightforward, and was managed at campsite with basic tools. It is filled with Milwaukee portable air inflator and has been keeping air pressure set at. We have had good use of it to level truck after loading 5th wheel. I elected to not join both lines together so I can keep individual air pressure in case one had leak but has been fine, I might join them with optional part etrailer offered.
After 1 year and 8,000 miles has been great purchase. All bolt on, no holes to drill, I even placed fill valves in license plate to conceal installation.
Alex at etrailer was excellent as helping us find the correct kit and shipping promptly with great communication and follow up.
Gwendolyn Y. profile picture
Etrailer Expert

Gwendolyn Y.

4/21/2025

Your set up looks great, Mike! Where are you planning on traveling to this year?

Mike profile picture

Mike

4/23/2025

@GwendolynY We have been to Florida, Tennessee and finally CT so far but we are undecided ne t trip so far, waiting for trucker & rv road Atlas before planning next trip.
Gwendolyn Y. profile picture
Etrailer Expert

Gwendolyn Y.

4/23/2025

@Mike I haven't had someone mention an Atlas in a long time! Reminded me of my first road trip with one of my sisters and using a combination of those and print out directions from old reliable MapQuest. Was the only way to know where you were going then.
by:
Really quite easy installation. Honestly, the hardest part was routing the air line. (that coiled up hose!) I ended up covering the lines with cable wrapping to protect them from any rubbing or scuffing. I also don't have a compatable hitch for the mount, and didn't want to mount them through my bumper in the license plate area because I know I would step on them at some point in time. Product had all the correct parts, high quality, and super happy with it. I wish I had gotten them sooner.
Brooke M. profile picture
Etrailer Expert

Brooke M.

6/6/2025

Install looks awesome - I think the wrapping of the line was a great idea too! Do you work on vehicles a lot?

Al profile picture

Al

6/9/2025

@BrookeM I do, mostly my own, not a professional, but have everything like tire changing and balancing machine, compressor, etc. Didn't need much to do this job which was nice though. just some wrenches, oscilating tool (For the factory bumpers), razor knife, and a drill with an assist from my creeper (To lay on, not my weird neighbor).
Brooke M. profile picture
Etrailer Expert

Brooke M.

6/9/2025

@Al sounds like you basically have a shop all to yourself! And haha, the creeper comment made me laugh! Thanks for clarifying LOL
by:
installed the Firestone Ride Rite air helper springs with the on board pump and they work great!
by:
I recommend this to anyone with a 3/4 ton that wants stability without adding springs. It works well at giving support when I hook up to the 5th wheel. Before adding the airbags the rear suspension would settle 4 inch or more when hitching up to the trailer. Now I can control how much it settles and I get more stability and a better ride. Good system and not too difficult to install. I would have given 5 stars but I had to make three attempts to get the airlines to seal. The airlines are plastic and are a tight coil and are tough to straighten and install. I had a leak that I finally was able to remedy after several attempts at connecting. This was frustrating but I am still a big fan of this system and highly recommend these airbags. I have run with as much as 60 psi in the bags and have decided that around 40 is about right for my setup. The truck settles about 1-2 inches with about 40-60 psi.
Brooke M. profile picture
Etrailer Expert

Brooke M.

4/9/2025

Glad to hear this, Steve! I am curious, what all did you do to find and fix the leak? I'm always looking for new ways to help folks stop a leak or whatever the issue is :)

by:
Been a great product for me has worked well for my application I chose to just run individual airlines out by the license plate to air up when needed with a little handheld compressor did not want to spend the extra money on onboard compressor pretty straightforward install
The only thing I changed was the plastic air hoses to braided lines with fittings
You would think braided lines would be standard equipment with these bags plastic hoses are junk
Hope this helps somebody down the road
by:
Best airbag kit on the market! Going on 10 years and 160k miles on one kit and a year and a half on the other (two different vehicles). Firestone’s quality is excellent, their customer service is exceptional, and the kit design is simple. Quality components means ZERO air leaks in 10 years when installed properly (cut the airlines at 90 degrees with an inexpensive airline cutter or brand new razor blade). Their mounting brackets are simplified, making more room for the airbag between the axle and frame. And the double convoluted bag offers better ride quality and more suspension movement than a single convoluted bag. I’ve run a single convoluted bag setup from another reputable manufacturer and noticed a marked decrease in ride quality and comfort. I also recommend installing cradles such as those from Daystar (also 10 years on a set) to allow 100% downtravel for maintenance or off-road articulation without fear of tearing a bag. Well worth spending a little more for this USA brand kit over the cheap Chinese copy-cat kits. I tow and haul regularly - weekly, if not several times a week - and these have stood up to snowy sub freezing winters, 100 degree summer days, dusty and gravely off-highway adventures, and general use and abuse that comes from working out of a vehicle for a decade. Can’t find a better kit.
by:
The airlines could use an upgrade. When pulling a travel trailer 26’ the air pressure would drop 10 lbs in 3 hours of highway travel
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