Air Lift LoadLifter 5000 Air Helper Springs - Rear Axle
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1998 Cadillac DeVille
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1998 Cadillac DeVille
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Heavy loads can drag the back of your truck down, throwing off handling and headlight aim. The Air Lift LoadLifter 5000 Air Helper Springs give you up to 5,000 lbs of load-leveling support to keep things steady. They level your vehicle from front to rear, improve steering and braking, and help prevent uneven tire wear. Whether you’re towing a trailer or hauling a full bed, the rear stays level so your ride feels controlled and safe.
Every load is different, so this system lets you fine-tune how your suspension behaves. The LoadLifter 5000 uses air pressure that can be adjusted from 5 psi to 100 psi. You can inflate each spring independently for side-to-side leveling when carrying off-center loads. Manual inflation valves and air lines are included, typically mounted on the bumper for easy access. You can even add an optional compressor system with in-cab gauges for on-the-fly adjustments.
These springs are made from 2-ply, fabric-reinforced rubber for strength and durability. The endcaps use high-strength Zytel nylon that’s lighter, stronger, and more corrosion resistant than steel, so they won’t rust or leak over time. Air Lift’s exclusive upper and lower roll plates protect the air bags and increase load capacity, helping the system handle repeated heavy use without damage.
Installing serious suspension support doesn’t have to be complicated. The LoadLifter 5000 kit comes with mounting brackets, hardware, manual inflation valves, and air lines for a clean setup. The only drilling required is for attaching the Schrader valves. With clean cuts on the air line and basic tools, it’s a straightforward install that’s perfect for a hands-on owner who wants reliable support without paying shop rates.
Customer Satisfaction Score:
91% were satisfied with this product
9% of customers were not satisfied
Ratings & Reviews
I just completed the install of this Airlifter 5000 series air bag kit. First, the kit, without a doubt, is a high quality kit with many of it's components designed specifically for specific vehicle application. I installed it under the rear of our new-to-us 2021 Ram 1500 Crew Cab Laramie 4x4 Ecodiesel. I was very pleasantly surprised by the nice and robust powder coating of the metal mounting plates. That means protection for them for a long, long time. The hardware/fastners were/are of decent quality also. And, while the "springs" used for the temporary carriage bolt retention in part of the install are a good idea, I have maybe a better way of doing that. In my opinion, for whatever that's worth, here's a suggestion.
Since there are TWO of those carriage bolts that have to be installed AT ONE TIME, you now have to deal with those two long tailed springs, carriage bolts that continue to fall backwards into the abyss of the frame, all the while trying to maneuver the frame mount plate into position. Then, trying to retain tension on the tails of those springs that retain the carriage bolts, and align the bolt tips to enter the mount plate, and then, if and or when you get the mount plate into position and both bolt tips are protruding through it, you now have to hold ALL of that in place, while you remove at least one spring so that you can now grab a nut (a feat unto itself) and fit it onto the tip of one bolt, all the while trying to hold tension on that bolt so it won't fall backwards into the frame and start threading it.
Then, once it's threads are started, you can no concentrate on the same operation for the second bolt. What a serious pain in the petute!
But instead of the springs and tails to be used to retain the bolts while prepping to install the mount plate, you use whatever their called, a very, very thin retainer clip or washer or "push clip" (I really don't know the name of them) that are used to retain the drums onto hubs on an axle, ALL THOSE PROBLEMS would be over.
You'd simply use the springs as before to load and pull the bolts through their respective holes as before. Now, with the one bolt in place, reach through the center hole in the frame that's between the two bolt holes and using a finger, push on the head of that installed bolt. Your finger will now hold the bolt in place. Now, with that bolt held in place, you can remove the spring. Then, PUSH the very thing spring clip right over the threads of the bolt and it will "ratchet" down the threads until it bottoms out against the frame. You have now LOCKED that bolt in place and you can let got of it with your finger and that bolt isn't going anywhere!!!!!!!!
Now, do the same for the second bolt. Now, both bolts are held firm in place WITHOUT the long and cumbersome tails of the springs. You can now grab the mount plate and push it up into place and over both exposed sets of threads at the same time WITHOUT FEAR of pushing the bolts back into the frame. You can now hold that mount plate in place while you grab one nut at a time and thread it all the way on. Then do the same for the other nut.
To me, this would be waaaaaaaaaaaaaaaay easier than the method you (and I, and any installer, be it a shop or a home install) are presently using. If I had a link to what kind of clip I'm talking about, I'd link it.
But, those clips are seriously thin yet are quite capable of retaining those bolts and will not hinder the mate-up of the mount plate to the frame sides. Sure seems worth a looking into to me. Just a suggestion.
Scott
These were a great addition to my truck. I moved from Washington to Michigan 1 year ago. Heavily loaded trailer and truck. No sag, no issues. Full disclosure I had to get some custom U bolts made because of my setup, but I have had zero issues. Great buy.
I plumbed my airlines through the license plate which turned out to be very handy.
I didn’t do the install myself. However my mechanic talked me into these after adding a rack and rooftop tent to my ‘14 Tacoma. Absolutely Fantastic. I have a 3” suspension lift and the truck handles as near to stock as I can remember. Awesome product. Easy install (according to mechanic). Thanks all. Oh yes, one issue because I added a leaf spring when I lifted it. He had to find new shackles to allow for fit. FYI
Install on a 2026 F350 SRW. Love the product and have zero issues with that itself. The reason for the 4 star is the clearance with the factory sway bar and brake lines. It does mention that in the instructions, however it's extremely tight and I'll definitely be checked for rubbing in the future to make sure I don't have clearance issues. Otherwise, they work great paired with the Airlift WirelessAIR compressory system, zero complaints on the usability of the product.
Took my time and followed included instructions exactly. Went together well! Haven’t towed with them yet, but definitely raised the back of my Tacoma with 26 lbs of air pressure that I tested for leaks with! Feel like they’ll be a big improvement when towing our 4200 lbs. camper!
Very easy step by step instructions, how to install.It took me about two hours in my driveway. I got it because I haul a 35' travel trailer. Makes the ride a whole lot smoother
Watched the install video twice before the shipment got here and had no problems installing it. Also installed the WirelessOne from Airlift at the same time. Picked up some 1/4" clamps to make the air lines look a little cleaner, and hold them in place during our snowy and icy winters. Including the WirelessOne system, it took about 8 hours from the time I washed the underside of the truck until I rolled it back out from the garage. Pulled the camper this morning and all my old issues have disappeared. Truck is level, trailer pulls great, and the cooling system is back to working as needed. Highly recommend this suspension kit!
Im very impressed with these airbags. So far they are doing the job.
These come with all hardware and instructions. I put 20 psi with no load to see how long the air would hold up. 2 weeks later im now at 15 psi which I'm satisfied.
The previous bags of another brand didnt hold air well even with no leaks.
I can tell the difference in ride quality. I've loaded the bed with landscaping materials and towed my boat with 15 psi and still holding strong. Looking forward to towing my Travel Trailer.
Customer service has also been great!
Great
It was not a 2-hour install, but then I didn't have a lift and did the install on a creeper. Still, the product is awesome and does exactly what it is designed to do.
Easy to install and great customer service. Had to swap out 1 bag from manufacture defect, no problem and came fast. Helped tremendously towing my toy hauler to Daytona last year.
Everything went well on the installation. Parts were all figured for my 2013 Ford F-150 to the tee and accounted for the obstructions. So far I’m very impressed, the next step will be how they perform
Molly was EXTREMELY helpful and informative. Every company needs to have lots of Molly's working for them !!!!!
The product was installed as described and we can not wait to try it out with our camper.
I will buy again from e trailer and free shipping was a additional savings.
Great customer service and problem solving, thanks to shipper, had damaged and missing parts, but etrailer took car of it.
The addition of the Air Lift is by far something I should have done years ago. I was short in time so I had my local Midas shop install them. They work so well. I only needed 20 lbs. of pressure to level the truck and trailer. On the road, the trailer rode better, braking felt better, and the up and down motion I disliked going over bumps is gone. Awesome product for safety while towing.
Greetings ...... Very detailed directions enclosed with product. Air lift kit is doing exactly what I needed to have done , raising rear bumper of my '06 F150 to tow RV to prevent sagging and sway. Was considering air shocks, until air lift kit appeared on my radar.
So I had posted when I had installed the air bags on the truck, but this last week I have hauled the camper for just over 900 miles, and outside of the wicked wind gusts it was a much smoother haul than previously. I was able to haul over uneven terrain without having to make an obstacle course out of the road due to squatting and things bottoming out or dragging. Definitely a great investment.
These bags work great. Just added the onboard compressor a few weeks ago too! Makes it even more convenient.
a very good choice. The F150 did not have enough stock suspension for my 24 foot trailer with a GVER 10,000lb. Now we all know the truck will pull that weight but when you hooked up it squatted.After installing the air lift it does not squat any more and the truck with a 5.0 has enough power to pull the weight. I had Monroe air shocks on it before but they would not do the job. I am very happy with the setup. I replaced the Monroe air shocks with Rancho shock's and the ride is amazing with or with out the trailer. This was a great investment for the long haul.
Ray
9/14/2026
The Air Lift is working GREAT a year later. We just hauled a Generac 705 miles up north and brought a load of big rocks back for a guy that wanted to build a waterfall for his coy fish and the Air lift system was able to handle the weight just fine and rode great. Every one comments about how smooth the truck rides. The Air Lift system has handled everything we have asked it it to and has been trouble free. These will go on every truck I won in the future.
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Sierra K.
7/21/2022
Sorry about that! It also could have been a kit we opened to take photos of, but we are always very gentle and organized about putting everything back.