1. Vehicle Suspension
  2. Air Lift
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  4. Rear Axle Suspension Enhancement
  5. Heavy Duty
Air Lift LoadLifter 5000 Air Helper Springs - Rear Axle

Air Lift LoadLifter 5000 Air Helper Springs - Rear Axle

Item # AL57399
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Retail:$575.81
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AL57399 - Heavy Duty Air Lift 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. Lowest 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 800-298-8924 for expert service.
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Air Lift Vehicle Suspension - AL57399

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



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Customer Reviews

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

Average Customer Rating:  4.8 out of 5 stars   (184 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.

- AL57399
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.. 825646



- AL57399
by:

Air bag kit came with everything that was needed and installation was easy 771771



- AL57399
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. 762868



- AL57399
by:

System works great and helps Smooth out the ride I hook it up to a wireless remote control system . 716647



- AL57399
by:

Easy to install and must have for a cam per. 640821



- AL57399
by:

Great product, installed as described. E trailer price matched all competitors. Very happy. 612168



- AL57399
by:

Installed great and was easy to do. Was delivered on time and in great shape. 603211



- AL57399
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. 595347



- AL57399
by:

Very helpful when ordering and on keeping updated on delivery 391488



- AL57399
by:

Very competitive prices, free shipping, and easy to work with. What more could you ask for. 313277



- AL57397
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


Convenient and useful... 667408


Comments
Good so far
Luis D - 07/08/2020

86345

- AL57229
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


I have a 2019 Nissan Titan XD with the 5.6 GAS motor. Wanted to do an Airlift suspension to provide a little support and get my headlights perfectly back to level when towing my travel trailer. No one makes an airbag kit for the gas XD, but after discussing it some with John H at etrailer, I decided to go with the kit for the diesel truck and see how things went. The kit for the diesel truck fit perfectly, except that there is an emissions component hung from a bracket on the driver's sign frame that prevents a direct install of the driver's side bag. My shop was able to install the kit with no trouble - they just had to bend the bracket with the small emissions component attached upwards for clearance. Everything else went in as designed. Great fit - can't wait to see it work under load. 669525


Comments
These things have been great! I tow a travel trailer thats about 8K loaded with roughly 1100 tongue weight. The bags level this load perfectly so headlights are right and everything is stable. I run 10 psi unloaded, 40psi with normal loads in the camper, and 70psi with the fresh water tank full which is forward in the trailer. I kept it simple with individual valves for each bag. Wouldnt change a thing. A bicycle pump is more than adequate for making changes in pressure bc the volume is so low that its easy. All good with this product.
Jeff N - 07/13/2020

91851

- AL57385
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


My order arrived really fast and was exactly as ordered. I have been satisfied with past orders and was equally satisfied with this order. I will certainly use them in the future. 641733



- AL57338
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


It was as advertised Took about 3 1/2 hrs to install I am 70 yrs old and did not have a lift to use So I am a little slow on the up and downs involved Fit perfectly 500604



- AL57289
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


I made a mistake and ordered the wrong kit.. they took care of it and had the correct bags to me in 3 days 600994



- AL57200
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


Love love love these helpers on my 14 F-150 quad cab 5.5 box. Helps handle the load of the 5th wheel and anything else I load in the box.. great product great service. Thanks again 510133



- AL57211
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


Shipped quick everything good 162378



- AL57385
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


Item as described, great price fast shi pping. 661266



- AL57385
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


It has changed the ride on my vehicle for everyday driving. It is a very rough ride. 667714


Comments
The nice feature of air springs is that you can custom tailor the ride to just about any situation. Carrying a full load?- Add more air for less sag and more stability. Less weight on the vehicle when youre not hauling? - Let some air out of the suspension for a softer, more pliable ride.
-- Mike L - 07/10/2019

57664

- AL57289
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


after a year it is working great never deflate and I keep a trailer on it 24 seven I would highly recommend 606574



- AL57385
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


We just installed this last night on our truck. The instructions are easy to fallow. We will get our new 5th wheel next weekend so we will see then if they hold up. We love etrailer.com excellent customer service and fast shipping. Chris W thank you so much for taking care of our order so quick!!! We are working so hard on getting everything installed before we get our new 5th wheel!!! Your Amazing!! 416612


Comments
Thanks for the follow up. That is exactly what I love about this company, the customer service is out of this world!!! Everyone I have talked with there has gone above and beyond to make sure we are happy with our many many purchases. Everything we have bought there for a 5th wheel has been great. We do not have one complaint. Your company will have us for customers forever. It is so hard to find companys that truly care about their customers like you all!!! Thank you so much!! for taking time to go that extra mile!!!
KATHLEEN B - 08/07/2018

42049

- AL57200
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


High quality and heavy duty. Good instructions as well. Just got them installed yesterday on my 2009 F-150 crew cab with 6.5' box. I also have the B&W turnover gooseneck ball hitch and my main concern was still being able to mount these. Fit like a charm, no interference at all. I wish I would have purchased them sooner. Sometimes we haul loads that might be just a bit heavy for an F-150, but we are careful. These will certainly help. I have similar air bag type suspensions install on our other two work trucks and I love them. What I did was got myself a 1/4" compression tee and plumbed both air bags into one valve. That way, they air up evenly. It comes with everything to air up each bag separately but I prefer them to be the same. They cost about $6 at any hardware store. I mounted the single air fill valve near the drivers tail light inside the box facing forward. There is an opening where the tail light harness runs up and I followed that with the air valve. I drilled a hole and snaked a tie wire down and through some finagling I managed to get the valve out the hole and mounted. Looks good and is out of the way. Install took me about 5 hours from tools out to tools away, but I was not in a big hurry. I aired them up to 70 psi and drove home looking like a hot rod with the back kicked up. Checked the air pressure this morning and all is well. No leaks as far as I can tell. Highly recommended and a great price as well. 643462



- AL57365
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


Have had the air bags installed for 3-4 weeks now. Love them! Huge difference in ride quality when hauling or towing heavy loads. My only criticism is in the design. The left side fit perfect and the bag is perfectly aligned vertically but the right side bag is canted slightly. Almost as if the bottom brackets holes are drilled slightly off. I called the company and was told that up to 15 degrees is acceptable. It just looks as though the bag may wear more but time will tell I guess. I would still recommend. Also looking at purchasing the compressor system to ensure the bags always have adequate pressure. 421216



- AL57298
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


Great product great service on time 423689



- AL57385
by:

Review from a similar LoadLifter 5000 in Vehicle Suspension


Easy to install and works great! Would have been nice to have been furnished with a “Y” for single air supply point. 512584


Comments
Excellent
David - 05/24/2019

55725
41
216
Show More Reviews

Ask the Experts about this Air Lift Vehicle Suspension

  • 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...
    view full answer...
  • 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...
    view full answer...
  • 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...
    view full answer...
  • 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 # F2604 if you have a dually or the part # F2605 for if you do not. 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...
    view full answer...
  • 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...
    view full answer...
  • 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...
    view full answer...
  • 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 Curt Custom 5th Wheel Installation Kit # C16428-204. 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...
    view full answer...
  • 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...
    view full answer...
  • 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...
    view full answer...
  • 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...
    view full answer...
  • Does Air Lift QuickShot Compressor System Have Wireless Option
    There is a similar kit that can be controlled wirelessly but the Air Lift QuickShot Compressor System for Air Springs # AL25572 does not have the ability to switch out its wired control for a wireless control. I still highly recommend this kit over the pricier wireless kit like the Air Command II Compressor System w F3 Wireless Remote, Xtreme Duty Compressor, Tank, Hose - Dual # F2592 because you get far more bang for your buck with the wired compressor and air tank. The QuickShot would...
    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, the Loadlifter 5000 # AL88399 with the internal jounce bumpers, and # AL89399 which features the internal bumpers along with stainless steel hardware and lines. Going with the stainless steel option ( # AL89399) is a great idea to ensure a long-lasting system because the lines, hardware, and roll plates will be resistance to rust and corrosion over time. The air springs have a 5,000 pound...
    view full answer...
  • How to Use Airbags on a 2018 Ford F-250 with 5th Wheel or Gooseneck Hitch
    The correct airbag kit you need for your 2018 Ford F-250 in order to use a 5th wheel or gooseneck hitch is the Air Lift LoadLifter 5000 Air Helper Springs part # AL57391 for 2WD models or part # AL57399 for 4WD models. This will be the only option we have for you to install airbags on your truck with a 5th wheel or gooseneck hitch installed. The Firestone Ride-Rite Air Helper Springs part # F2597 that you referenced will not fit as they are designed for a 2011 - 2016 Ford F-250. If you...
    view full answer...
  • What Air Bags Will Work With a B&W Turnoverball On a 2017 Ford F-350 Dually
    If you have a B&W Turnoverball Underbed Gooseneck Trailer Hitch on your 2017 Ford F-350 Dually then you will actually want to use the Air Lift LoadLifter 5000 Air Helper Springs part # AL57391 for 2WD or part # AL57399 for 4WD as these are the only two airbags kits for your F-350 that install under the frame rail and will work with the B&W Turnoverball. The Firestone Ride-Rite Air Helper Springs part # F2600 install on the outside of the frame rail so they will not work with the B&W Turnoverball. For...
    view full answer...
  • 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...
    view full answer...
  • 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...
    view full answer...
  • How Much Can a 2019 Ford F-250 Crew Cab Powerstroke Tow
    The towing capacity of your 2019 Ford F-250 Crew Cab Powerstroke with the 6-3/4' bed will vary from 14,100-16,600 lbs depending on drive type, axle ratio, and gross combined weight rating. If you can provide me with this information I would be happy to provide you with an exact capacity. The axle ratio should be listed on a tag inside the glove box and the gross combined weight rating should be listed on a tag inside the driver door jamb but if not you can always call the dealer with your...
    view full answer...
  • 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.
    view full answer...
  • 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.
    view full answer...
  • 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...
    view full answer...
  • 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...
    view full answer...
  • Will Air Lift Air Suspension System Raise Ride Height of 2017 Ford F-250
    The internal jounce bumpers in the LoadLifter Ultimate air bag system # AL89399 could possibly raise the vehicle ride height a tiny bit, even when aired down, but the LoadLifter 5000 without the jounce bumper, part # AL57399 will NOT raise the vehicle ride height when aired down to the 5psi minimum, as confirmed by Air Lift. In this instance where you'd want to air down before pulling into the garage, an onboard compressor system like # AL25856 would be pretty convenient. You can add...
    view full answer...
  • 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...
    view full answer...
  • Are Spacers Required for Air Lift Air Springs on Lifted 2020 Ford F-250
    If the rear suspension on your 2020 Ford F-250 is lifted, there is a decent chance that some additional spacers will be needed when installing the Air Lift LoadLifter 5000 Air Helper Springs # AL57391 for 2WD or # AL57399 for 4WD. The best way to determine what size space you need though is to actually measure the gap that will be left once the springs are installed. The actual distance a particular lift raises the suspension on your truck can vary (a "6 inch lift" doesn't necessarily...
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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...
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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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Info for this part was:

Edited by:
Leah B
Installed by:
Jeff D
Expert Research:
Jameson C
Video Edited:
Jacob T
Video Edited:
Chris R
Written by:
Mary E
Test Fit:
Shane H
Test Fit:
David F
Updated by:
Hannah L
Updated by:
Alex H
Video by:
Michael B

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