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Hauling heavy loads or towing trailers can make your truck squat and throw off braking and steering. The LoadLifter 5000 Ultimate air springs add up to 5,000 lbs of rear axle support to keep your rig level and stable. By sharing the weight across all four wheels, they reduce strain on your factory suspension and help maintain safe headlight aim. Adjustable air pressure from 5 psi to 100 psi lets you fine-tune support for whatever you’re carrying so you stay confident on the road.
Road shock and sway can wear you down fast when hauling, but the internal urethane jounce spring inside each LoadLifter 5000 Ultimate air spring softens every hit. They engage gradually at lower air pressures to absorb bumps and minimize bottoming out. The jounce springs also act as overload protection—if you lose air pressure, they temporarily carry the load until you fix it. The result is a smoother ride with less bounce, sway, and harshness whether the truck is loaded or empty.
Each LoadLifter air spring uses a 2-ply, fabric-reinforced rubber bag protected by Air Lift’s exclusive roll plates that guard against abrasion and give better roll action at lower pressures. High-strength Zytel nylon endcaps won’t corrode like steel, helping prevent slow leaks over time. The urethane jounces are maintenance-free and perform in hot or cold conditions so you can trust them all year long.
This system comes complete with brackets, mounting hardware, air lines, and manual inflation valves for a clean install in your driveway. Valves can be mounted on the bumper for easy access, or paired with an optional in-cab compressor system for quick adjustments on the go. Once bolted up and aired to your preferred setting, you’ve got reliable suspension support ready for towing, hauling, or everyday driving.
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
Claire H.
8/11/2026
Glad to hear the install went smoothly! Thanks for the suggestion on the brake line/ABS brackets too. Definitely something that could make a good kit even better!
Mike L.
8/19/2026
Nice job Debbie, please let us know how they handle your trailer!
Tanner @.
8/12/2026
Product works great and helps level the truck during towing. I have noticed a difference in the amount of travel my back wheels have when offloading. But I knew that would be a sacrifice.
Brooke M.
3/24/2025
Happy to hear these are getting the job done! Your set up looks great, and man! What a beautiful picture. Blue, sunny skies, green grass, a cool breeze (I'd wager) perfect day to hitch up the trailer and get some work done!
Matt
3/24/2026
Been great! I really don’t like the internal jounce stops though. When you are unloaded and running lower bag pressure, a dip or bump will hit the bump stops really hard and jar your passengers in the backseat. It’s almost too uncomfortable to ride in the backseat now. As for the loaded and high pressure performance it’s great! Great handling and no sag at all when towing.
Kate F.
1/21/2026
Install looks fantastic Lloyd! Glad to hear they helped with the side to side movement. What kind of trailer are you going to be towing with the new set-up? Fun camper, work trailer?
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Dave S.
9/27/2020
Bought the same setup for my new RAM 2500