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When heavy trailers or bed loads make the rear sag, the LoadLifter 7500 XL Ultimate air springs keep things level. With up to 7,500 lbs of load-leveling capacity, these 7" diameter double-bellows springs support the rear suspension to improve braking, steering control, and overall handling. That means no more squat, no more uneven tire wear, and a safer, steadier ride when the weight piles on.
Even if you run your air bags underinflated or forget to top them off, these springs have your back. An internal jounce bumper built into each bag protects your suspension from bottoming out or taking damage. It soaks up harsh bumps and road shock so the ride feels smoother whether you’re towing a heavy load or driving empty.
No two hauls are the same, and this setup lets you dial in exactly what you need. With manual inflation valves and air lines included, you can add or release air from 5 psi to 100 psi for precise leveling. Inflate both sides evenly for balanced loads or adjust them separately to correct side-to-side lean when cargo is off-center.
These springs are made to handle real weight day after day. Each one uses 2-ply fabric-reinforced rubber with high-strength Zytel nylon endcaps that are lighter and stronger than steel while resisting corrosion. The kit includes upper and lower roll plates that protect the bags and increase load capacity, plus heavy-duty mounting brackets and hardware that bolt up securely for dependable long-term performance.
For even more convenience, this system can be paired with an optional compressor setup and in-cab gauges (sold separately). That way you can monitor and adjust pressure right from the driver’s seat without reaching for manual valves—making it easy to keep your suspension dialed in no matter how your load changes.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hi everyone, Steve here with etrailer.com. Who's ready to do some heavy duty hauling These are the AirLift LoadLifter 7,500 XL Ultimate Air Helper Springs for your rear axle. Folks, these are a custom fit application. Looks like they're gonna fit a 23 through 25 Ford F-450 Super Duty 4 Wheel Drive. That being said, make sure you're always double checking our fit guide here at etrailer.com and things like year, make, and model where it asks for vehicle information because sometimes these videos could be outdated, and it could potentially fit newer years and newer models as well. And you can always reach out to us as well by phone, chat, or email and we can assist you with anything as well.
Now what these are gonna do, they're gonna give you a up to 7,500 pounds of load lowering support, reducing the strain on the rear suspension, and improving both safety and ride quality. They're an impressive seven inch round diameter springs. They have more volume than Loadlifter 5,000 Air Springs giving you greater leveling strength at lower air pressures. And these also include an internal jounce bumper that's gonna prevent damage when driving, if you have like an inflated airbag or those kind of things. And it's also gonna give you some extra cushion and support inside.
It's gonna reduce the strain of your OEM suspension caused by extremely heavy loads and thus improving overall stability and ride quality. Now with this particular kit, you're going to be able to manually inflate or deflate and change your load pressure at the back, usually behind the rear bumper, somewhere back in there. You can upgrade in the future and get a compression system, an in-cap gauge. All that is sold separately, but you can use that and monitor it on the fly if you so choose. And this kit is compatible with most fifth wheel and gooseneck hitches.
So the only thing you'd probably run into a problem with is depending on where these mount up, if you had an odd fifth wheel or gooseneck bracket that was in the way or in the same spot, you may have to do some modification or something, but more likely than not, you shouldn't have to change anything. All the hardware's included, you have brackets, you have other brackets, the airline, trader valves, everything is here that you need to do that inflation when the time comes. And that's a different angle of that airbag. So again, seven inches. Very impressive.
I just have all this kind of loosely fit together. So bear with me when you see stuff spinning around here. I just wanted to give you a mockup the best I could without it being on the vehicle. And again, (gadget whooshing) they're gonna compress and come back under the strain and support your load. So obviously this is gonna help level front to rear. So a lot of people, whenever you're loading and you get that rear end sagging, it's pushing your headlights up, it's taking traction and support off of your front wheels and tires. And whenever you put that load level and support like these back on the back, it's gonna get you back level. Now you have better traction so you're safer and your headlights are pointing normally, you can see the road better, and it's just an overall more enjoyable experience in the end. Now this does come with Airlifts exclusive upper and lower roll plates that are included. So they're gonna increase and protect the springs from damage extending the life of this whole suspension as well. And these bags are constructed of a two-ply fabric reinforced rubber, and the end caps are made of high strength ZYLON nylon, which is lighter and stronger and more corrosion resistant than the steel ones that are out there from other brands. Well folks, I think that is gonna wrap it up for our quick look together. Once again, if you have questions about this or anything else, reach out to us. We're here to help you. I'm Steven, stay safe while you're towing.
Customer Satisfaction Score:
99% were satisfied with this product
1% of customers were not satisfied
Ratings & Reviews
Victoria H.
2/15/2025
That's too good to hear, Paul! Let us know what you think once you get to put them to the test.
Paul
2/14/2026
After a year we are very impressed with how smooth our ride is with the air ride system! We have put about 2500 miles on with our 42ft toy hauler and its great! We recommend the 7500 XL its a great product. From speedy delivery, great service, on the phone help etrailer was great all in all it was a great experience!
Michael
5/26/2025
I still love them as much as I did on day 1. They have made a huge difference in the ride quality of my truck when towing. I run them with 12 psi in them. Now to add the on-board air compressor.
Lauritz
2/12/2022
Awesome!
Nick S.
9/29/2025
That is awesome to hear! I agree the Timbrens are good but airbags tend to increase that ride quality more. I am glad these have worked well for you. What kind of 5th wheel are you towing?
Nick S.
9/30/2025
Molly
9/1/2025
Even after a year These airlift load lifters continue to stabilize the ride. In fact, the ride’s gotten even better since we added compressed Styrofoam bedliners in place of the old system of two by fours and plywood. The camper sits firm and steady and the load lifters do their job and so easy to adjust. A pound or two here or there makes a real difference.
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Rob
3/27/2026
First review was for Air Pump AL7400. Item AL89DQ installed on 2025 F350 Longbox. LOVE THEM! The airbags make for a level tow for our 5th wheel that as a tongue weight of 3,100 lbs. The ride with the 5th wheel trailer at 70psi is much improved. Level and fills like you are riding on a cloud. Yes, when not towing, and filled to 7psi, the load is a little more stiff than without the bags. To be expected though. Prior to installation, take time to confirm you received ALL parts including hardware pieces as I was missing the required M10 x 1.5 nut. I suggest watching the video a couple of times and keep it handy to review again along with the written instructions during installation. One thing not in the video, I suggest to remove both rear shocks to make placement of the assembled air boots MUCH easier as it gives you more open area to maneuver each into place. Installation took about 8hrs laying on my garage floor. You will need both Imperial and Metric sockets deep wrenches to complete the job. Purchase a new tube cutting tool to insure a clean cut on your air tubes. $10 to avoid air leak frustrations is a bargain. As I have a long box, cutting the first tube to the correct length is a must as there is not much extra tube available. I think I had 6 inches of waste and could not route it my preferred way. Have additional zip ties available so you can snug the air tubes to an existing harness or frame location.