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When towing or hauling heavy weight, rear-end sag can make steering light and braking unpredictable. The Air Lift LoadLifter 5000 Ultimate Air Helper Springs give your suspension up to 5,000 lbs of load-leveling capacity so you stay level and in control. By pairing your stock suspension with these heavy-duty air bags, the load gets distributed to all four wheels for balanced handling, safer headlight aim, and less stress on brakes and tires.

Rough roads and heavy loads can cause sway and bottoming out. Each air spring has a closed-cell urethane jounce spring inside that engages progressively as weight increases. This helps absorb bumps, reduce sway, and keep cornering stable even when the load shifts. If air pressure ever drops, the internal jounce bumpers act as a backup to temporarily support the load until you can adjust or repair the system.

Different loads demand different support. These springs let you fine-tune pressure between 5 psi and 100 psi so you can level side-to-side or front-to-back as needed. Manual inflation valves mount on the bumper for easy access, and you can add an optional onboard compressor for in-cab adjustments. Whether you’re towing a trailer one day or driving empty the next, it’s easy to set the right pressure for a smooth ride.
Durability matters when your suspension takes this much abuse. The 2-ply, fabric-reinforced rubber air springs are protected by Air Lift’s exclusive roll plates that guard against punctures and increase load capacity. High-strength Zytel nylon end caps are lighter than steel yet stronger and corrosion-proof. Urethane jounce inserts need no maintenance and perform in hot or cold weather, so your setup stays reliable season after season.
Getting extra support shouldn’t mean complicated fabrication. The kit comes with brackets, hardware, airline tubing, and manual inflation valves ready to bolt up. Just mount the springs, route the airlines, inflate to your preferred pressure, and go. With its straightforward design, you can install it yourself using basic tools and get back on the road with confidence in just a few hours.
Customer Satisfaction Score:
95% were satisfied with this product
5% of customers were not satisfied
Ratings & Reviews

Rick
2/10/2023
Ive had these now for two years and still no complaints. Best improvement Ive made to my truck.

Tom M.
7/24/2017
The Air Lift Loadlifter is still working great. I recommend them to anyone who carries heavy loads or pulls a travel trailer, which is why I purchased them.
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Ace
3/12/2025
This product has been holding up in the Midwest climate. We have used it several times for hauling our camper. The bags are still in great shape.