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When the front end starts to sag from a heavy load or towing setup, the Air Lift LoadLifter 5000 Ultimate air springs step in with up to 5,000 lbs of load-leveling capacity. The system levels the vehicle front to back and can even balance side to side for off-center loads. Adjustable air pressure from 5 psi to 100 psi lets you dial in the right support to keep steering sharp, braking predictable, and headlights aimed correctly when the truck’s working hard.
Each air spring houses an internal urethane jounce spring that takes the edge off bumps and jolts. These jounces engage progressively—the more weight you add or the rougher the road, the more support they give. They absorb road shock, help prevent bottoming out, and keep cornering stable without making the unloaded ride harsh. If air pressure ever drops too low, the jounce springs temporarily carry the load so your suspension stays protected until you can adjust it.
The LoadLifter 5000 Ultimate system is made with 2-ply, fabric-reinforced rubber air springs built for long life under heavy use. Exclusive upper and lower roll plates protect each bag from moving parts and add load capacity. The high-strength Zytel nylon endcaps are lighter and stronger than steel and won’t corrode over time, so you get reliable performance through heat, cold, and moisture.
Mounting this setup is straightforward—it installs between the frame and leaf springs with included brackets, hardware, air lines, and manual inflation valves. Once in place, just add air through the inflation valves to set your ride height for any load. For even more convenience, you can pair it with an optional compressor system that lets you monitor and adjust pressure from inside the cab. With this setup in place, you’re ready for steady handling whether loaded or unloaded.
Customer Satisfaction Score:
87% were satisfied with this product
13% of customers were not satisfied
Ratings & Reviews
Frank P.
8/16/2025
Airbags made a BIG difference,once I was able to get the right air pressure my 2015 Thor A class rides so much better!
Nick S.
8/18/2025
Do you have a question about this Vehicle Suspension?
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Jenny N.
5/5/2022
You mentioned that the lower brackets were not strong enough and had to be replaced. I wanted to see if you would be able to send a picture of the location? Was this installed on your 2002 Workhome W Series RV?