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Air Lift LoadLifter 5000 Air Helper Springs - Rear Axle
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Air Lift

Air Lift LoadLifter 5000 Air Helper Springs - Rear Axle

Part Number: AL57399
In Stock
$354.51
Retail:$679.09
$319.51 after $35.00 Mail-In Rebate
Vehicle Suspension

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5,000-lb Capacity. Designed to upgrade your rear suspension, LoadLifter 5000 air springs provide high-quality, full-time load support. They level your vehicle, improving braking and ride comfort and reducing the strain on your factory suspension. Great Prices for the best vehicle suspension from Air Lift. Air Lift LoadLifter 5000 Air Helper Springs - Rear Axle part number AL57399 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Air Lift Vehicle Suspension - AL57399

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

5,000-lb Capacity. Designed to upgrade your rear suspension, LoadLifter 5000 air springs provide high-quality, full-time load support. They level your vehicle, improving braking and ride comfort and reducing the strain on your factory suspension.


Features:

  • Provides your vehicle with up to 5,000 lbs of load-leveling support, reducing strain on your rear suspension and improving both safety and ride quality
    • Designed for heavy-duty applications such as 1/2-ton, 3/4-ton, and 1-ton pickup trucks
  • Keeps your vehicle level when you are hauling a heavy load
    • Improves steering and braking performance
    • Helps to maintain safe headlight aim
    • Keeps your tires from wearing unevenly
  • Lets you manually adjust air pressure to get the even load distribution and support that you need
    • Level your vehicle front to rear
    • Inflate each spring independently for side-to-side leveling of off-center loads
  • Reduces the strain on your OEM suspension caused by extremely heavy loads
  • Improves overall stability and ride quality
    • Diminishes sway and absorbs road shock for a smooth ride
  • Comes with Air Lift's exclusive upper and lower roll plates
    • Increases the load capacity of the air springs
    • Protects springs from damage, extending the life of your air spring suspension
  • Constructed of 2-ply, fabric-reinforced rubber
    • Endcaps are made of high-strength Zytel nylon, which is lighter, stronger, and more corrosion resistant than steel
  • 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 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.


Air Lift's LoadLifter 5000 was designed with an exact purpose: to provide full-time, first-class support to your 1/2-ton, 3/4-ton, or 1-ton pickup. With this kit, you get a safer ride and simultaneously protect your vehicle from the strain that comes with hauling massive loads.


Carrying heavy cargo in your truck bed or trailer puts tremendous stress on your vehicle. Your brakes erode faster, your tires wear unevenly, and handling suffers severely. When towing, you might also experience excessive sway, bottoming out, and even improper and unsafe headlight aim. Fortunately, there is a solution to these problems. By pairing your existing suspension with the LoadLifter 5000, you can seriously beef up your suspension, ensure equal load distribution, and give your vehicle the support it desperately needs. Air Lift's LoadLifter 5000 provides up to 5,000 lbs of load-leveling capacity and distributes the weight of your payload to all 4 wheels. As a result, the stress on your OEM suspension is significantly reduced.


LoadLifter's air bags are adjustable from 5 to 100 psi for precise support, and they can be inflated independently of one another for front-to-rear and side-to-side leveling. They are made of high-quality, 2-ply, fabric-reinforced rubber. Most air bags lose air at the ends, where the bag is enclosed with a steel cap, because the steel can rust and corrode over time, creating small holes. 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. Also, LoadLifter 5000 comes with Air Lift's exclusive roll plates, which both protect your air springs and beef up the load capacity of the springs.


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 air in through the inflation valves. A line kit is included with the springs so that you can install the valves (one for each spring) in an easily accessible area - typically they are installed on the bumper. If you want to make the springs even easier to use, you can get a compressor and gauge system (sold separately).


Air Lift kits are designed to keep your vehicle at normal ride height. You can find the normal ride height of your vehicle by unloading it and measuring the distance between the bottom edge of your wheel well and the center of the hub. After you find and record this distance, you can regulate the amount of air that you put into your air springs to maintain normal ride height - even when you are hauling a heavy load. You will need to adjust the air pressure in your air bags according to the size of your load.


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



57399 Air Lift LoadLifter 5000 Air Bag Suspension Support System - Back Axle

Installation Details AL57399 Installation instructions

This Product Fits The Following Vehicles



California residents: click here


Customer Satisfaction Score:


Customer Reviews

Air Lift LoadLifter 5000 Air Helper Springs - Rear Axle - AL57399

Average Customer Rating:  4.7 out of 5 stars   (1146 Customer Reviews)

5,000-lb Capacity. Designed to upgrade your rear suspension, LoadLifter 5000 air springs provide high-quality, full-time load support. They level your vehicle, improving braking and ride comfort and reducing the strain on your factory suspension.

by:
2019 Nissan Leaf

I just bought a new 2019 Ford F250 to pull my new fifth wheel. The pin weight of the fifth wheel caused the bed of my truck to drop a few inches so I bought the Air Lift LoadLifter 5000 Helper Springs and the Air Lift One wireless on board compressor to raise the bed back up to level. I installed all of it myself after watching the etrailer installation videos. I think somewhere they mention it being a 2-3 hour job. Well...if you do it every day, then it probably is. It took me the better part of a day to get it done. The first thing i did was remove the spare tire for easier access. I also tried to install the airbags without lifting the truck. Actually, I did install one side without lifting and it wasn't that hard. However, there is a nut on the bottom bracket that is between the airbag and the leaf spring that is impossible to tighten without lifting the truck body. Even after lifting the body, it was still very difficult to access/tighten. Instead of drilling a hole for the schrader valve, I used a couple of oversized washers and installed it in a hole on the hitch frame that was already there. The Air Lift One, I installed on the frame, on the drivers side of the vehicle and just forward of the gas tank. This is really about the only place on the frame without wiring of some sort. I got the EZ mount but didn't use the large U-bolt as I didn't find any place it would work. Instead, i just drilled a couple of starter holes in the frame and used the provided self-tapping screws. I also wired the hot and always-on wires together and directly to an upfitter wire under the hood. I had no trouble getting the wireless remote to communicate with the compressor and it works great. Now, with my fifth wheel attached to the truck, I can add air and level the truck back to factory heights. Overall, the install wasn't that hard and would have been super easy with a truck lift. The people at etrailer were great when made my order and will definitely give them a call again.



by:

Product works as it was supposed to, chose my own fasteners as the self tappers broke heads off, so I drilled and tapped into the frame and used stainless fasteners, compression was good and I like the mobile app on my iPhone



by:
2022 Ford F-450 Super Duty

I have not looked at the parts to see if everything is okay, but the box is perfect. Pristine. Their price was also amazing. I feel I got a deal. The airbags for my other truck are tbe same bags. Jr they costed me more through airlift recommended dealer. If I can give an updated review next week after I install the airbags I will do so. I ordered airlift airbags for my 2022 f450. They said they were in stock , and I received them at my door 3 days later as the website said it would 3 days later. My only issue is the website itself. It’s kinda hard to navigate and it reminds me of old school shopping online in 2001 era where everything is so simple- looking but not simple to use. I’ve also looked for other parts I typed in search bar that did not come up but when I did the work and searched for it manually I found what I was looking for. I would give it a 5 star and didn’t only becuase of the website see ing out dated and just overall weird to use and sometimes hard to understand what exactly I’m reading what description for what product. I guess what I’m saying is it could be hard to tell when one product stops and another behinds. You might read a description and click on the wrong part. I could see my 73 year old father doing this. Love the speed and the product! And I will use again as long as they have what I need.

Thomas M. profile picture
Etrailer Expert

Thomas M.

1/9/2022

If you have trouble locating the right product you are looking for, you can always call us at 800-940-8924 to speak to one of our customer service specialists.



by:
2019 Ford F-250 Super Duty

easy install using a hoist.



by:

They don't hold air anymore



by:

These air bags are great. Easy way to adjust your headlights after a lift or when carrying a load. Took about 3 1/2 hours to install with my 16 y o grandson helping. Every thing is included in the kit and the instructions were easy to understand. I even installed them with the truck camper installed.



by:

Airbags are great. The air pump took to long to get over 1 year not cool. Pump works great. The whole system is great and works awesome.



by:
2019 Ford F-250 Super Duty

I have 2019 f250.. I tried timbrens first, they supported the load but wife said rode to rough.. ordered the airbags on friday.. they arrived on tuesday.. watching a YouTube video on install helped better understand the directions.. took about 3 hours for complete install including controls and compressor.. haven't hooked up to camper yet to compare but doesn't affect factory ride with the 5 pounds of air they recommend at minimum..



by:

I just bought this system because the first one I bought had an air bag failure and I wanted to have spare parts to keep the first system up and running.



by:

I love the air lift air bags. When I hooked up to my trailer before it squatted my truck bad. With the bags there is no squat. Thanks air lift



by:

System works great and helps Smooth out the ride I hook it up to a wireless remote control system .



by:

Air bag kit came with everything that was needed and installation was easy



by:

Great product, installed as described. E trailer price matched all competitors. Very happy.



by:

fast shipping!yet to install but this is the second truck i have ordered this kit for and expect the same quality results after install.



by:
2017 Ford F-250 Super Duty

Have not installed it yet



by:

Robert S. profile picture

Robert S.

3/8/2022

Its been about a year since I installed the air bags on my 17 F250 super duty and they are still working as new. Have noticed a big difference when I haul my 5th wheel around. Thanks for all your support at etrailer. Great staff



by:

Very competitive prices, free shipping, and easy to work with. What more could you ask for.



by:

Still works after a year good product



by:

Easy to install and must have for a camper.



by:

Very helpful when ordering and on keeping updated on delivery



by:

Works as it should.



by:
2018 Ford F-250 Super Duty



by:



by:

Installed great and was easy to do. Was delivered on time and in great shape.



by:
2017 Ford F-350 Super Duty

Took a bit longer to install then expected but fit perfect.


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Show More Reviews

See what our Experts say about this Air Lift Vehicle Suspension

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    Hey Brent, Good question and for your 2019 Ford F-350 4x4, I would go with the Air Lift LoadLifter 7500 XL Ultimate Air Helper Springs # AL57577. Compared to the Air Lift LoadLifter 5000 # AL57399, the the 7500 XL are going to give you the best load-leveling both now and, like you mentioned, into the future. The ride won't be rougher than the 5,000 lb bags if you keep them at a low psi, as the internal jounce bumpers on the 7500 XL won't be engaging. The 7500 XL # AL57577 are also larger...
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  • Does AirLift # AL57399 Air Bags Fit a 2019 Ford F-350 with Dual Rear Wheels
    Yes. The Air Lift LoadLifter 5000 Air Helper Springs - Rear Axle # AL57399 are a confirmed fit on the 2019 Ford F-350 with dual rear wheels and also in-bed 5th wheel and gooseneck hitches. If you don't already have a compressor system that will allow you to keep the air bags filled on the fly and from the comfort of your truck's cab, the Air Lift Load Controller Compressor System for Air Helper Springs- Heavy Duty - Dual Path # AL25856 is a great option. This is a dual path system that...
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  • Fitting Air Lift # AL57399 to 2017 Ford F-350 with Lift Kit
    It sounds like you are pretty close to the correct height for the Air Lift kit part # AL57399 to fit without a spacer as it sounds like the block lift you have was a body lift. Either way though Air Lift recommends installing the brackets of their kits first and seeing if the air bag is correct height as-is. If the height does not match let me know the distance between the top and bottom brackets and I'll be able to check with Air Lift and determine what type of spacer solution you'd need. This...
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  • Correct Air Lift Air Springs for a 2018 Ford F-350 4x4 with B&W Gooseneck Hitch
    The correct Air Lift LoadLifter 5000 Air Helper Springs for a 2018 Ford F-350 4x4 with B&W Turnoverball Underbed Gooseneck Trailer Hitch part # BWGNRK1116 is part # AL57399 which fits both single rear wheel and dual rear wheel models. The Air Lift LoadLifter 5000 Air Helper Springs install under the frame rail and the B&W Turnoverball Underbed Gooseneck Trailer Hitch installs on the outside of the frame rail so there won't be issues. If you will be frequently inflating and deflating the...
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  • What Air Bag System Should I Use on my 2020 Ford F-250 with Factory Prep Package?
    Because you have the factory prep package on your 2020 Ford F-250 you'll need an airbag system that installs under the frame rail as opposed to outside of it, where the factory prep package would interfere with it. For that reason I recommend going with the Air Lift LoadLifter 5000 Air Helper Springs # AL57399 (standard) or the Air Lift LoadLifter 5000 Ultimate Air Helper Springs # AL88399 (ultimate). The Ultimate version has an internal jounce bumper that will allow you to temporarily...
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  • Recommended Autosliding 5th Wheel Hitch for 2019 Ford F-250 with 6-3/4 Bed and OEM Puck System
    For your 2019 Ford F-250 Super Duty with the 6-3/4' bed and OEM puck system we have the Demco Hijacker 5th wheel hitches. These fit directly into the pucks so no adapter is needed and they give you 14" of fore/aft travel so that you have enough cab turning clearance. This comes in both 18K # DM8550024 and 21K # DM8550038 versions but I recommend going with the 21K because it allows you to tow a larger variety of 5th wheel trailers. Attached is an installation video of the 18K in a 2014...
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  • Available Sway Bars or Suspension Enhancement for 2017 Ford F-350 Super Duty with Truck Bed Camper
    I have a solution to correct the sway and enhance the suspension on your 2017 F-350 Super Duty with the single rear wheels, but the Roadmaster Sway Bar # RM-1139-193 is only designed for use on dually trucks. Because most sway is caused by unevenly distributed weight, there are several different ways you can help stabilize your truck that doesn't use a sway bar. If your truck is loaded more often than not, or will always have a camper attached to the bed the TorkLift StableLoad Suspension...
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  • What Air Bags Will Work with a 5th Wheel Hitch on a 2019 Ford F-250
    I am glad you came to us for help as the problem you anticipated is valid and an issue on some airbags kits. For an airbag kit that will fit your 2019 Ford F-250 4x4 and will allow you to install a 5th wheel or gooseneck hitch in the future without any issues, I recommend the Air Lift LoadLifter 5000 Air Helper Springs part # AL57399. This kit installs under the frame rail so there will not be any issue with a 5th wheel or gooseneck hitch whatsoever. In fact, we actually installed these...
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  • What Air Bags Work with the B&W Turnoverball Part # BWGNRK1116 on a 2018 Ford F-250
    The airbags that I recommend for your 2018 Ford F-250 are the Air Lift LoadLifter 5000 Air Helper Springs part # AL57399. These airbags will not interfere with the B&W Turnoverball Underbed Gooseneck Trailer Hitch part # BWGNRK1116 as you can see in the attached photo. The Air Lift airbags will do an excellent job of improving both safety and ride quality. They are adjustable which means you can inflate each spring independently for side-to-side leveling of off-center loads. The kit comes...
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  • Is a B&W Gooseneck Hitch Compatible with Firestone Ride-Rite Air Bags in a 2018 Ford F-250
    Firestone does not have a kit that will work with a B&W gooseneck trailer hitch in a 2018 Ford F-250. The upper brackets mount to the outside of the frame rails and would interfere with the gooseneck frame brackets. You could switch to Air Lift system # AL57399 for a 4x4 or # AL57391 for 2-wheel drive models because they mount to the bottoms of the frame rails.
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  • Air Spring Suspension Kit Recommendation for 2019 Ford F350 with Factory Prep Kit
    For your 2019 Ford F350 whether it is 4WD or 2WD will make a difference. If you have the 2WD then I recommend the Air Lift LoadLifter 5000 Air Helper Springs - Rear Axle # AL57391. If you have the 4WD I recommend # AL57399. These options are confirmed to fit your F350 and will adjust from 5 psi to 100 psi for your ride preference. These kits come with the manual inflation valves so you can adjust the springs. If you want to have the ability to adjust air pressure at any time, then...
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  • Will Air Bags for 2019 Ford F-250 Super Duty FX4 4WD Affect Ride With Minimum PSI
    The ride of your 2019 Ford F-250 will not be affected in any way when you have an unloaded ride and have them inflated to the minimum of 5 psi. The reason you have to keep them inflated to a minimum psi is so the air bags don't get damaged by losing their shape when not inflated. As for the air bags, I confirmed that the Firestone bags do not fit a 2019 Ford F-250 FX4 with 4WD, though you still have a great option with bags from AirLift. I recommend the Air Lift LoadLifter 5000 Air...
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  • Where Do The Air Fittings Mount For The Air Lift Air Bags On My 2017 Ford F-250
    The Air Lift LoadLifter 5000 Air Helper Springs # AL57399 does not include a bracket for mounting the air fittings on your 2017 Ford F-250. The installation instructions say to drill a 5/16" hole for the air fittings to secure to. It also lists a couple recommended areas to do this such as inside the fender openings, inside the fuel door or on the rear bumper. I like the idea of replacing the license plate bolts with the air valve fittings. This will allow the fittings to be nearly invisible...
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  • Are Air Bags Needed for 2019 Ford F-250 Pulling Heavy RV
    I highly recommend getting air bags for your 2019 Ford F-250 Super Duty for towing RVs that are as heavy as 10,000 lbs. The issue is that due to the amount of weight that the RVs put on the rear of your truck, what will happen is that your truck's back end will sag a bit, lifting up the front end. What this does is make your truck more difficult to handle when turning or braking, while also wearing down your tires. So there is no downside and much upside to installing air bags, which will...
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  • Rear Axle Air Bag Kit for 2017 Ford F-250 Diesel 4X4 with Factory 5th Wheel Prep
    According to my contact at Firestone, their rear axle air bag kit F2535 is not a fit for your 2017 Ford F-250 diesel 4X4 but we do have options. Air Lift offers a confirmed fit in a 5th-wheel-compatible rear air bag kit, part # AL57399, which provides 5000-lbs of load support capacity. They also offer a version with internal jounce bumpers, which help support your suspension in the unlikely event of an air leak, part # AL88399.
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  • Which Air Bag Suspension Kit Fits 2017 Ford F-350 with Factory Rail Kit
    I have an air bag suspension kit that is a fit for your 2017 Ford F-350 with the factory rail kit but the Air Lift kit you mentioned does not as it installs on the same side of the truck frame as your rail kit. Instead you'd want the Firestone kit part # F35FV. These kits were specifically designed to fit with the rail kit. For a compressor kit to make inflating and maintaining the air bags easy we have the Firestone kit part # F2097 which will work great. It has a heavier duty compressor...
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  • Best Suspension Enhancement to Reduce Squat on 2019 Ford F-250 Super Duty When Towing 5th Wheel
    So the issue you are having with squat on your 2019 Ford F-250 Super Duty will actually not be resolved with either of the SuperSprings suspension kits you mentioned. Those will help to a point, but they aren't going to resolve squat because they are going to flex with weight on them so your truck is still going to squat. To prevent squat the best suspension enhancement option for your 2019 F-250 is going to be air bags. The reason is because they allow you to fill the air bags to whatever...
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  • Can I Use Airbag on a 2019 Ford F-250 with the Factory Prep Package
    The only airbag kit we have that will fit your 2019 Ford F-250 is the Air Lift LoadLifter 5000 Air Helper Springs part # AL57399 for standard or part # AL88399 for ultimate. The ultimate version has an internal jounce spring which lets you temporarily carry a load with zero air pressure in your springs. The Firestone Ride-Rite Air Helper Springs part # F2600 will not work for you because the airbag installs on the outside of the frame rail which is currently occupied by the factory prep...
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  • Recommended Air Springs for 2017 Ford F-250 to Help with Towing 5th Wheel Trailer
    For your 2017 Ford F-250 I recommend the Air Lift LoadLifter 5000 Air Helper Springs # AL57399 as long as you have the 4WD model. The air springs on this system feature a 5,000 pound capacity and will do a great job of keeping your truck level and improving your overall ride quality. The mounting brackets are compatible with an in-bed hitch. You can then add the Air Lift Load Controller Compressor System # AL25856 so you can monitor and adjust the bags from the comfort of the cab. This...
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  • 5th Wheel Towing Capacity for a 2019 Ford F-350 Dually
    The fifth wheel or gooseneck towing capacity of a 2019 Ford F-350 Dually will range from 12,100 lbs to 34,000 lbs depending on options such as engine size, axle ratio, cab style etc. Therefore, you will need to verify your exact towing capacity and make sure it exceeds the fully loaded weight of the trailer you wish to tow in order to determine compatibility. In order to tow a fifth wheel trailer you will need a hitch, the Reese M5 5th Wheel Trailer Hitch part # RP30922 is a great option...
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  • Recommended 5th Wheel Hitch and Air Bags for a 2018 Ford F-250 FX4
    For your 2018 Ford F-250 FX4, I highly recommend the Demco Hijacker Autoslide 5th Wheel Trailer Hitch part # DM8550022 with the Demco Hijacker Premier Series Under-Bed Base Rails and Custom Installation Kit part # DM8551009. The auto slide feature means that you will not have to enter and exit your truck each time you need to make a sharp turn because the hitch will automatically slide back for you to prevent any cab to loft contact. This will be a very worthwhile feature for a full-timer...
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  • Correct Air Lift LoadLifter 5000 Air Helper Springs For a 2020 Ford F-250 Super Duty 4x4
    The Air Lift LoadLifter 5000 Air Helper Springs # AL57399 is designed to fit a 2019 Ford F-250 Super Duty 4x4 so for your 2020 model you'll need the kit # AL23FJ instead. This is essentially the same thing just with the correct mounting brackets for your newer model. I always recommend picking up an air compressor kit as well since it gives you the ability to monitor and adjust your air bags on the go. The Air Lift WirelessONE Compressor System # AL25980 is a very popular option because...
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  • Compatibility of Air Lift 5000 Springs on a 2018 Ford F-250 with Curt 5th Wheel Base Rail Kit
    If your 2018 Ford F-250 Super Duty is a 4WD then the Air Lift LoadLifter 5000 Air Helper Springs # AL57399 that you have will be compatible with the B&W Custom 5th Wheel Installation Kit # BWRVK2402. However, if you have the 2WD version then you need the Air Lift LoadLifter 5000 Air Helper Springs # AL57391 instead. I confirmed this with my contact from Air Lift. It doesn't really matter which one is installed first, but I would install the 5th wheel rail kit first since it sits higher up.
    view full answer...
  • Recommended Air Lift Air Spring System and Compressor for 2019 Ford F-450 Dually
    For your 2019 Ford F-450 DRW we have the Air Lift LoadLifter 5000 Air Helper Springs # AL57399, and the Loadlifter 5000 # AL88399 with the internal jounce bumpers. Going with the ( # AL88399) is a great idea to ensure a long-lasting system. The air springs have a 5,000 pound load-leveling capacity and the adjustable air pressure (5 psi to 100 psi) allows you to maintain a level, comfortable ride whether your F-450 is fully loaded or the bed is empty and you're just going on a Sunday drive....
    view full answer...


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Info for this part was:

Employee Leah B
Edited by:
Leah B
Employee Jeff D
Installed by:
Jeff D
Employee Ryan G
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Ryan G
Employee Jameson C
Expert Research:
Jameson C
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