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Air Lift LoadLifter 5000 Ultimate Air Helper Springs with Internal Jounce Bumpers - Rear Axle

Air Lift LoadLifter 5000 Ultimate Air Helper Springs with Internal Jounce Bumpers - Rear Axle

Item # AL35FJ
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Air Lift Rear Axle Suspension Enhancement - AL35FJ
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5,000-lb Capacity. LoadLifter 5000 Ultimate air springs have internal bumpers, so you get the adjustable load support of air springs and the comfort and reliability of jounce springs. Jounces also work as a fail-safe if air springs lose pressure. Lowest Prices for the best vehicle suspension from Air Lift. Air Lift LoadLifter 5000 Ultimate Air Helper Springs with Internal Jounce Bumpers - Rear Axle part number AL35FJ can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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Air Lift Vehicle Suspension - AL35FJ

  • Air Springs
  • Rear Axle Suspension Enhancement
  • Air Lift
  • Heavy Duty

5,000-lb Capacity. LoadLifter 5000 Ultimate air springs have internal bumpers, so you get the adjustable load support of air springs and the comfort and reliability of jounce springs. Jounces also work as a fail-safe if air springs lose pressure.


Features:

  • Hybrid spring system combines the adjustability of air springs with the reliability of jounce-style springs
  • Air bags reduce the strain on your rear suspension, increase safety, and compensate for uneven loads
    • Level your vehicle front to back and help maintain safe headlight aim
    • Adjust independently for side-to-side leveling of off-center loads
    • Improve steering and braking performance
  • Jounce spring inside each air spring helps to improve ride comfort, reduce sway, and help with cornering
    • Engages at lower air pressures to better absorb road shock and minimize bottoming out
    • Provides support progressively - the more you load the springs, the stiffer they become
    • Lets you temporarily carry a load with zero air pressure in your springs
  • Quality construction for long-lasting spring life
    • 2-Ply, fabric-reinforced rubber air springs are durable
    • Air Lift's exclusive upper and lower roll plates protect air springs from damage, extending the life of the suspension system
    • High-strength Zytel nylon endcaps are lighter, stronger, and more corrosion resistant than steel
    • Urethane internal jounces require no maintenance and work well in hot or cold temperatures
  • Designed for heavy-duty applications such as 1/2-ton, 3/4-ton, and 1-ton pickup trucks
  • Mounting brackets and hardware are included for installation
  • Manual inflation valves and air lines are included
    • Manual valves are typically mounted on bumper for easy access
    • Compressor system with in-cab gauges (sold separately) can be added to monitor and automatically adjust air pressure
  • Made in the USA


Specs:

  • Load-leveling capacity: up to 5,000 lbs
    • LoadLifter 5000 Ultimate springs will not increase your vehicle's weight-carrying capacity. Do not exceed the manufacturer's recommended weight limit.
  • Adjustable air pressure: 5 psi - 100 psi
  • Lifetime warranty
  • 60-Day satisfaction guarantee


Note: When servicing your truck with Air Lift air springs installed, if the truck is lifted by the frame, the air must be let out of the springs. And if the rear of the truck is lifted during service, then it must be supported by jack stands to avoid damage to the air springs.


Get the Best of Both Springs

The air springs and jounce springs in this system work together to give you the best ride whether your truck is loaded or unloaded. Air Lift's LoadLifter 5000 Ultimate air springs have internal urethane foam jounces that protect the air springs and provide added ride comfort when your air pressure is low. The jounces also allow you to temporarily carry a load if the air springs lose air pressure. This gives your 1/2-ton, 3/4-ton, or 1-ton pickup air springs that are easier to maintain.


Air Springs Level Your Load

Carrying heavy cargo in your truck bed or trailer puts extra stress on your truck. Your brakes erode faster, your tires wear unevenly, and handling suffers severely. When towing, you might also experience excessive sway, bottoming out, and even inaccurate and unsafe headlight aim.


By pairing your existing suspension with LoadLifter 5000 Ultimate air springs, you can seriously beef up your suspension, ensure equal load distribution, and get the support you need. The springs provide up to 5,000 lbs of load-leveling capacity (depending on the weight-carrying capacity of your vehicle) and distribute the weight of your payload to all 4 wheels. As a result, the stress on your factory suspension is significantly reduced. LoadLifter's air bags are adjustable from 5 to 100 psi for precise support, and they can be inflated equally for front-to-back leveling or independently of one another for side-to-side leveling.


The air springs are made of high-quality, 2-ply, fabric-reinforced rubber. Most air bags lose air at the ends where the bag is enclosed with steel caps. These caps can rust and corrode over time, creating small holes. But the endcaps on Air Lift air bags are fashioned from corrosion-proof Zytel nylon, a material that is both stronger and lighter than steel, ensuring that the air bags won't lose air.


Roll plates on Air Lift 5000 Ultimate air spring

The air bags also have Air Lift's exclusive roll plates, which protect the air springs and beef up their load capacity. These sturdy plates help guard the springs from moving parts under your vehicle that might puncture the air bags. The plates also provide a larger surface area for each spring to roll on. The extra surface area gives you a higher spring rate at a lower air pressure, resulting in a better ride.


Built-In Jounce Springs Add Control and Comfort

Air Lift 5000 Ultimate air spring with jounce spring inside

The closed-cell urethane jounce spring inside each air spring gives you a more stable, comfortable ride. Each jounce acts as an overload spring and engages when your current air pressure level isn't enough to support your load. So on a rough road, the springs will kick in if needed to absorb bumps and shocks and help you to avoid bottoming out. When the jounces support a load, they adjust progressively - the more weight you pile on, the stiffer they become. The urethane material engages more smoothly than rubber jounces so you get a less jerky ride.


Because these jounces are taller than your factory jounce bumpers, they engage sooner than your factory jounces would to provide better support. And if the LoadLifter 5000 Ultimate air springs have insufficient or zero air pressure, the internal jounces will help to temporarily support your suspension and protect it from damage until you can repair or adjust the air spring system.


Easy Installation

This system installs with the included brackets and hardware. Just mount the springs, inflate them, and ride. To inflate the LoadLifter springs, you just have to pump in air through the inflation valves. A line kit is included with the springs so that you can install the manual inflation valves (one for each spring). These are typically mounted on the bumper but can be installed anywhere that is easily accessible. If you want to make the springs even easier to use, you can get a compressor and gauge system (sold separately) that allows you to monitor and adjust the springs from the cab of your truck.


Lifetime Warranty

Along with a lifetime warranty that has no mileage restrictions, Air Lift offers a 60-day satisfaction guarantee. Just install and use LoadLifter 5000 Ultimate springs for 60 days, and if you are not satisfied at the end of this time, you can remove and return them for a full refund.



88352 Air Lift Load Lifter 5000 Ultimate Air Bags with Internal Jounce Bumpers - Back Axle

Installation Details AL35FJ Installation instructions

This Product Fits The Following Vehicles





Customer Reviews

Air Lift LoadLifter 5000 Ultimate Air Helper Springs with Internal Jounce Bumpers - Rear Axle - AL35FJ

Average Customer Rating:  4.7 out of 5 stars   (333 Customer Reviews)

5,000-lb Capacity. LoadLifter 5000 Ultimate air springs have internal bumpers, so you get the adjustable load support of air springs and the comfort and reliability of jounce springs. Jounces also work as a fail-safe if air springs lose pressure.

- AL35FJ
by:

ETrailer did a great job again. There was a little confusion on the correct parts, but they made it right and will be back for future purchases! Thanks ETrailer!



- AL35FJ
by:
2020 Ford F-250 Super Duty

Easy, easy, easy. From ordering to delivery to install. Thank you.



- AL35FJ
by:



- AL35FJ
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- AL35FJ
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2020 Ford F-250 Super Duty



- AL35FJ
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- AL35FJ
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- AL35FJ
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- AL88203
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


Good product. A slight change from the Firestone double convoluted airbags that originally came with my Chevy p30 Itasca motorhome. But after a few hours of getting them into position properly, the ride is extra smooth. I run these at 100psi and they may only have a slow drop to 98 or 97 psi after a few days. Instructions for the 90 degree elbow say hand tight and then 1 and half more turns, but my passenger side bag, leaked immediately. Pulled the bag back out and reset the elbow with teflon tape and gave it a few more turns. Checked with soapy water, and everything worked perfectly. Depending on the position of your axle, you may have to set the bag a few times adjusting the mounting plate for best fit. The printed template unfortunately didn't help in this 3d space. Best to get as close to upright as you can when you find the correct mounting position. etrailer was able to deliver these in 2-3 days and had them shipped the day of order.



- AL88289
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


They were easy for any handy guy to install . It took about 2 hrs. They lifted my 2500 ram to sit level with my 37ft. 5th wheel. I even leave them as is, when I'm not hooked up, and don't notice a difference. I ran two separate lines to near my rear license plate, no compressor. I'm glad I didn't spend that extra money. You rarely change the pressure, and it's so easy to do.



- AL88385
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


I installed the 88385 kit on my 2019 F-150. In addition, I installed the 7400EZ air compressor which I purchased from a separate source. I installed the air bags to improve the towing performance of my truck. In addition to improving my towing performance, & completely unexpected, was that the air bags smoothed out my ride as well. I do have one comment on the installation instructions. They specify that the top mount be installed first while attaching the bags to the bottom mount & checking the alignment. While this step needs to be completed, I was unable to get the top screws into the bags after spending a great deal of time attempting. I finally removed the entire assembly & assembled every thing off of the vehicle & then reinstalled. I did the alignment on the bottom & top plate per the instructions. I lovely placed the screws in the top plate off of the vehicle & did the final alignment & tightening with both plates secured in place. For my installation this was possible by making certain the axle was fully dropped to put the assembled bags in place. I reattached the top plate by allowing the axle to move back up towards the frame. For those that are installing the 7400EZ compressor kit, follow the instructions & do not attach the compressor & modulator grounds to the chassis. If you make the mistake of doing this, the compressor will remain on & not shut off. I love dealing with etrailer!


Comments
For most part, I haven’t had many problems. Had to reset the Bluetooth a couple of times
Gene A - 10/06/2021


- AL88205
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


This was installed on a 2021 Chevy Express 2500 van conversion by Explorer Conversion Vans. Explorer installed an Eaton rear suspension and it was not up to the task of a heavy conversion van. I think the air bags help but I will need to upgrade the shock absorbers to eliminate some of the bounce from the air bags. There were three primary issues with the installation: 1) The parking brake cable bracket is in the way and has to be cut off the axle. I attached the parking brake cable clamp to one of the Air Lift bolts using a nut. This is not something every at-home installer can do. 2) The air hose is barely long enough. I specifically asked how long the hose is because I wanted to route it where the future compressor will go and was told there is enough to go around the entire vehicle. That is incorrect. I will have to replace the hoses at my cost when I upgrade to the onboard compressor system. 3) The etrailer video says to drill the mounting holes to 5/16" diameter. The 3/8"-16 bolts immediately stripped out. I should have drilled the holes to 9/32" diameter. I have bought a lot from etrailer and I will purchase from them again. Most of my issues stem from the poor design and instructions of the Air Lift product. For example, it doesn’t say anywhere on the box or product literature how much air hose is provided.


Comments
Thank you for your feedback. I reached out to Airlift and found that the kit will come with 16 feet of airline hose. If an additional compressor system is purchased then an additional 20 feet will come with it depending on the kit. In the manual there are instructions on how to route the brake lines for non disc and disc brake systems.
-- Etrailer Expert Jenny N - 11/03/2021


- AL88275
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


Great product, easy installation! Really helpful videos! 2005 GMC 2500 HD.



- AL88288
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


Purchased the Airlift 5000 Series Airbags, 88288. Do it yourself installation was fairly easy with no complications. Installation instructions were detailed and there are several online Installation videos to view online. Would highly recommend these bags over the various leaf springs helpers available.



- AL88231
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


Works perfectly to level out my truck after setting the fifth wheel on the hitch. It helps with the rough interstate as well by controlling excessive bounce. It does increase the ride stiffness when empty so I have to manually let air out to around 10 psi to not notice the stiffness when empty. Installation was easy.


Comments
The air lift system is still working perfectly. Holds air pressure with no leakage. Thousands of miles towing fifth wheel doing what it was designed to do - carry the extra load.
Lee S - 11/24/2021


- AL88365
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


Works as advertised. Simple to install with the right tools. We’re traveling across the Country in a 1/2 ton truck hauling a RV that weighs 7900 lbs. This squats the truck almost 3 1/2 inches and causes some sway. After adding air to the Air LoadLifter 5000, the truck levels right out and the ride is as smooth with zero sway or squat.



- AL88215
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


One year heavy use and going strong! I put these on my 2500 truck with flatbed and truck camper and drove about 15k miles this year, with many rough dirt roads and also snowy roads. The installation worked out for me but was tricky due to double set of leaf springs, it wouldn’t have worked without the flatbed because to get the right height I ended up drilling some of the holes into the flatbed frame instead of truck frame only. Drilling was very hard and used several expensive bits with lots of oil to make a mess.



- AL88289
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


Second set of these Airbags I have put on a truck. All I can say is that there is a reason they don't show you the passenger side installation, as it is much harder to get the bags inserted on the passenger side. I did the installation in a gravel lot and only had a small hydrophilic floor jack that I was able to set on orange trailer leveling blocks to get the additional height I needed. I jacked the truck up from the hitch and used a jack stand and the floor jack to hold it in place. I was able to get the necessary separation without ever having the wheels leave the ground. Sounds a little sketchy but after I set it up this way gave it a good push from the tailgate and the sides of the truck and there was no movement at all....I'm an old guy that doesn't take many chances. One tip if you do it this way....don't waist time trying to work from below like they are doing in the video. You do have to be under the truck to get the bags into place and get that first bolt started. But you can put the second bolt and nut on and tighten them up by accessing it from the side, as the top mounting plates are above the tire level at that point. It is much easier to work, when you can see what you are doing.


Comments
These continue to work flawlessly and my primary use is to give me some adjustability while towing our Airstream trailer. We have it paired with the wireless compressor and can add air on the fly while towing.
David - 06/19/2021


- AL88298
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


The air bags do their job well and would be great for someone who caries the same load all the time or doesn't carry a load often these would be great. I have different loads on my trailer or I'm empty multiple times per day, I definitely recommend buying the setup with an air compressor and remote.



- AL88200
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


Install was pretty easy, instructions on the video were excellent.



- AL88341
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


2020 GMC 2500. Did LoadLifter 5000 and EZ compressor set up. The exhaust runs down the passenger side and the fuse box with switched power signal is on the driver side so for multiple reasons I wanted to mount the compressor on the driver side. I couldn’t do inside the rail as I would have preferred given all the DEF and fuel tanks. Above the frame rail running down most of the truck are 2 solid brake lines that would interfere with the U bolt to mount the EZ compressor assembly vertically as I originally intended. I did find a space I could fit it in without interference with those lines but it hung low and was more visible and exposed that I preferred. I did find though 2 existing holes in the frame that the U bolt fit in perfectly for a horizontal mount without interference and much higher and better tucked up under the truck for a super clean mount. The U bolt threads didn’t run deep enough for a single frame wall mount so for $3, I bought steel spacers and after painting them inside and out for corrosion resistance, I mounted very easily for a “customized” no drill $3 option. There is also a large wire harness that runs from that spot all the way to the battery so it was easy to run my wires along side and attach to that all the way up. Very happy with that location as air lines were easy to run and plenty long from there as well and put in 2 service loops just in case. I ended up running the pink wire to the fuse box and bought some fuse splicer wires Iike in the etrailer video. Hesitated to trim the fuse box on my brand new truck so the lid would close and like to keep mods as unnoticeable as possible so wanted to see how well it performed just based on motion and waking with the remote or app. I’ll wire it later if needed but just left it tucked for now. I also picked up some Daystar airbag cradles and mounted those to bottom bracket using the existing center hole in the bracket. Just picked up longer SS countersink bolts and hex nuts. No drill but I did have to trim the bolts off for a perfect length. Now the stretch of the airbag doesn’t limit suspension travel down and I don’t have to worry about bag damage when on a service lift down the road. Obviously when under its own weight or loaded the bags fit snugly and are well supported by the cradles. Outside of the time to buy the additional hardware that took zero additional time and is much preferred as now I can take it to the shop without worry. The only draw back is they are 6” cradles and I would have preferred the 7500# air bags for extra duty but they are 7”. I run the same setup on my 2002 Excursion and knew for sure I wanted the cradles so stayed with 5000# bags. I’m not loading a skid steer in the bed so really that should be plenty. Love the AirLift system and have ran them for years. Glad to have them installed on my new truck and look forward to the next load. Put pics of bags with suspension full droop, and then under normal weight. Also pics of the mounting location and final mounted compressor set up and look from side of truck. Would recommend this set up for anyone who uses their truck like a truck and would recommend these minor mods on the install.



- AL88200
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


I had a fitment issue on my F-150. There is a strap on the passenger side that would not fit (even after following the instructions and vehicle modification) between the factory e-brake bolt and the lower spring bolt bracket. I contacted Air Lift support and they were absolutely horrible. They obviously don't care about engineering issues and don't want to help resolve them. I can not recommend purchasing anything made by Air Lift. Even after multiple attempts to work with them, they just didn't want to hear about it and wanted to make it my problem. Do yourself a favor and just don't!!



- AL88200
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


I installed the Air Lift LoadLifter 5000's on my 2014 F150. Installation was easy and what a difference they make. They make my everyday drive smoother and how my truck drives while pulling my 35' camper is night and day different. I utilize a load leveling system but my truck still sagged a lot and after installing these, my truck is now level. I'm not sure why I went so long without these.



- AL88288
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


Perfect fit as videos show great produc ts



- AL88202
by:

Review from a similar LoadLifter 5000 Ultimate in Vehicle Suspension


The Air Lift 5000 kit is awesome! I recently installed this kit on our 2004 Gulf Stream Sun Voyager motorhome with the W22 chassis. Before I would have to crawl into parking lots, driveways, etc. to avoid lateral rolling (side-to-side rocking) and slow down for soft dips on the interstates to control porposing. I installed the air ride kit on the rear axle in about two hours. Then we took a trip from Houston to west Texas. The ride was significantly improved. I will be adding the air ride kit to the front axle before our next trip.


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Ask the Experts about this Air Lift Vehicle Suspension

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    I reached out to my contact at Air Lift and the Air Lift LoadLifter 5000 Ultimate Air Helper Springs with Internal Jounce Bumpers - Rear Axle # AL35FJ you were looking at is confirmed to work with the OEM prep package in your 2021 Ford F-250 4x4. To keep from needing to manually inflate the air springs each time you tow or carry a heavy load I recommend adding the Air Lift Load Controller Compressor System for Air Helper Springs- Heavy Duty - Dual Path # AL25856 which will allow you...
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Info for this part was:

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