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The LoadLifter 7500 XL Ultimate offers greater leveling strength for towing and hauling with 7-inch double-bellows air springs and up to 7,500 lbs. load-leveling capacity. The fully adjustable kit helps support the most significant loads.
The LoadLifter 7500 XL Ultimate offers support for the heaviest tows with an internal jounce bumper, absorbing shock for the smoothest ride. Air Lift’s fully adjustable, industry-leading air springs are the perfect upgrade for your vehicle, eliminating any issues you might face when towing and hauling. Installing Air Lift’s LoadLifter 7500 XL Ultimate makes towing and hauling with select Ford F-250 and F-350, four-wheel drive, and select Ford F-450, four-wheel-drive non-commercial chassis, a breeze. Adding this air spring kit eliminates many issues associated with towing and hauling, like squat, bottoming out, trailer sway and body roll. The air spring kit is designed with an internal jounce bumper that allows the springs to run safely with zero air pressure. The LoadLifter 7500 XL Ultimate and its design offer 7,500 lbs. of load-leveling capacity, absorbs shock, and are fully adjustable for when you are, or aren’t, hauling and towing. The closed-cell urethane foam jounce bumper inside the air spring provides a cushion of air that absorbs shock, eliminates harsh jarring on rough roads, and protects vehicles carrying heavy loads. An Air Lift exclusive, the kit features upper and lower roll plates for added protection. All end caps are made with an ultra-high-strength nylon composite formula, strong as steel but much lighter and corrosion-proof. The air springs are built like tires, reinforced with 2-ply fabric for maximum strength. With the added stability that air springs provide, you can haul safely, knowing that you have optimal braking and steering control. The LoadLifter 7500 XL Ultimate has up to 20% more air spring volume when compared to Air Lift’s LoadLifter 5000 series. The LoadLifter 7500 XL Ultimate’s air springs are maintenance-free, can run safely on zero air pressure, and are fully adjustable from 5-100 PSI for precise control. Do not exceed the vehicle's gross vehicle weight rating (GVWR).
Air Lift Company has developed dependable air spring suspension products since our inception in 1949. Our original product, a rubber air spring inserted into a car’s factory coil spring, was created and patented in 1950. We’ve come a long way since 1949 and are proud to be a dedicated suspension specialist company.
Today, Air Lift load support products are sold worldwide and are engineered to fit over 540 vehicles. Our extensive product line offers air helper springs for trucks, RVs, SUVs, CUVs, and vans, as well as the most technologically advanced on-board air compressor systems for on-the-go air spring control.
Air Lift leads the industry in no-drill applications – kits that bolt onto your vehicle’s frame, speeding the installation process. Our teams work constantly to bring innovative products to you and upgrade existing products with the latest technology.
All of our efforts are spent ensuring your safety and comfort by designing, engineering, and manufacturing the highest quality suspension products. We are a family-owned business based in Lansing, Michigan, and make your family and cargo’s safety our top priority.
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3 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2011 - 2016 | Ford F-250 Super Duty | Does not fit cab & chassis applications |
| 2011 - 2016 | Ford F-350 Super Duty | Does not fit cab & chassis applications |
| 2011 - 2014 | Ford F-450 Super Duty | Does not fit cab & chassis applications |
Yes, the Air Lift LoadLifter 7500 XL Ultimate provides supreme support for heavy hauling 57596 (Part #BBCG57596) is designed to fit the 2011-2016 Ford F-250 Super Duty.
The Air Lift LoadLifter 7500 XL Ultimate provides supreme support for heavy hauling 57596 (Part #BBCG57596) fits 2011-2016 Ford F-250 Super Duty models. The 2016 model year is the last year covered by this part number. For newer models, check for an updated version.
The Air Lift LoadLifter 7500 XL Ultimate provides supreme support for heavy hauling 57596 (Part #BBCG57596) fits the following vehicles: 2011-2016 Ford F-250 Super Duty; 2011-2016 Ford F-350 Super Duty; 2011-2014 Ford F-450 Super Duty. Always verify your specific year, make, and model before ordering.
The Air Lift LoadLifter 7500 XL Ultimate provides supreme support for heavy hauling 57596 (Part #BBCG57596) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
Yes, kit 57596 is designed for Ford Super Duty trucks. However, the manual does not specify which model years, cab styles (regular, extended, crew), or bed lengths are compatible. Contact Air Lift customer service at (800) 248-0892 to confirm fitment for your specific vehicle configuration.
The kit is compatible with fifth-wheel hitches, but the installation method depends on the hitch type. If you have the standard factory Reese fifth-wheel hitch purchased from Ford, use the supplied 1/2" hardware. If you have an aftermarket fifth-wheel hitch with side plates along the frame, you may need to reuse the existing hardware or drill a 1/2" hole through the plate. Contact Air Lift at (800) 248-0892 if you have questions about your specific hitch.
The kit provides up to 7,500 pounds (3,400 kg) of load-leveling support with air adjustability from 5–100 PSI (0.34–7 BAR).
Required tools include: metric and standard open-end box wrenches (set), ratchet with metric and standard sockets (set), standard hex keys (set), drill with 5/16" drill bit, torque wrench, hose cutter or razor blade, hoist or floor jack, two safety stands, safety glasses, air compressor or compressed air source, and spray bottle with dish soap/water solution.
Raise the vehicle and support it using safety stands or equivalent so that the axle can be safely dropped away from the frame. This is necessary to position the air spring assembly between the axle and frame.
Yes, you must remove the jounce bumpers from under the frame over the axle. Use a wire brush and penetrating oil to help with removal. The socket size for the nut is typically 15 mm.
Drilling is required only if you have an aftermarket fifth-wheel hitch with side plates that do not have existing attaching hardware in the frame slot. In that case, you must drill a 1/2" hole through the plate using the slot in the frame as a template, positioned as far to the rear of the slot as possible. You must clear any electrical or hard lines from the area before drilling to avoid damage. For vehicles without a fifth-wheel hitch or with the standard factory Reese hitch, no drilling is required.
Only if your truck has emission lines running along the inside of the frame rail. If equipped, you must carefully push the line holder out of the frame above the axle and save it for reuse. Remove any emissions/fuel line retaining clips and electrical wire loom retaining clips forward or rearward of the axle to aid in positioning the lines once the upper brace is installed. You will reattach the line holder using the supplied L-bracket (part 10886) attached to the back frame brace.
Torque the 3/8"-16 x 1 1/4" carriage bolts (O) to 15 lb.-ft. (20 Nm). Cap them with 3/8" flat washers (V) and 3/8"-16 nylon lock nuts (U) on both sides.
Attach the air spring to the bracket using 3/8"-24 x 3/4" flat-head screws (JJ) and torque to no more than 20 lb.-ft. (27 Nm).
Attach the upper bracket to the air spring using two 3/8" flat washers (V), 3/8" lock washers (SS), and 3/8"-24 x 7/8" hex-cap screws (RR). Torque to no more than 20 lb.-ft. (27 Nm).
Torque the axle clamp bar bolts to 16 lb.-ft. (22 Nm).
Torque the leaf spring U-bolt hardware to 10 lb.-ft. (14 Nm).
Use zip ties to secure the air line to fixed points along the chassis. Do not pinch or kink the air line. Leave at least 2" (51 mm) of slack in the air line to allow for any movement that might pull on the air line. The minimum bend radius for the air line is 1" (25 mm). Keep at least 6" (152 mm) of clearance between all air lines and the exhaust system. Avoid sharp bends and edges. Make clean, square cuts with a razor blade or hose cutter; do not use scissors or wire cutters.
The maximum inflation pressure is 100 PSI (7 BAR). However, the actual air pressure needed is dependent on load and gross vehicle weight rating. The minimum recommended pressure is 5 PSI (0.34 BAR). Do not exceed 100 PSI under any circumstances.
After inflating the air springs to 40–60 PSI (2.8–4.1 BAR), ensure at least 1/2" (13 mm) clearance from anything that might rub against each sleeve. Be sure to check the tire, brakes, frame, shock absorbers, and brake cables. Also maintain at least 6" (152 mm) clearance from heat sources such as the exhaust system.
Perform the following checks in order: (1) Clearance test—inflate to 40–60 PSI and verify at least 1/2" clearance from tires, brakes, frame, shock absorbers, and brake cables. (2) Leak test—inflate to 40–60 PSI and check all connections for leaks; eliminate all leaks before road testing. (3) Heat test—verify at least 6" clearance from heat sources; install heat shield if included. (4) Fastener test—recheck all bolts for proper torque. (5) Road test—drive 10 miles and recheck for clearance, loose fasteners, and air leaks.
Check air pressure weekly. Always maintain normal ride height and never inflate beyond 100 PSI (7 BAR). If the system develops an air leak, use a soapy water solution to check all air line connections and the inflation valve core before deflating and removing the air spring. Do not exceed the vehicle's maximum gross vehicle weight rating (GVWR) or payload rating.
No. For safety and to prevent possible damage to the vehicle, do not exceed the maximum gross vehicle weight rating (GVWR) or payload rating as indicated by the vehicle manufacturer. The air springs provide load-leveling support but do not increase the vehicle's weight capacity.
Yes, kit 57596 is designed for Ford Super Duty. Confirm your specific model year, cab style, and bed length with Air Lift customer service at (800) 248-0892.
You need: metric and standard wrenches and sockets, hex keys, drill with 5/16" bit, torque wrench, hose cutter or razor blade, hoist or floor jack, two safety stands, safety glasses, air compressor, and spray bottle with soapy water.
Drilling is required only if you have an aftermarket fifth-wheel hitch with side plates that lack existing attaching hardware. You must drill a 1/2" hole through the plate. No drilling is needed for vehicles without a fifth-wheel hitch or with the standard factory Reese hitch.
Air spring mounting screws: 20 lb.-ft. (27 Nm). Upper bracket screws: 20 lb.-ft. (27 Nm). Upper bracket carriage bolts: 15 lb.-ft. (20 Nm). Axle clamp bar bolts: 16 lb.-ft. (22 Nm). Leaf spring U-bolts: 10 lb.-ft. (14 Nm).
Maximum pressure is 100 PSI (7 BAR). After inflating to 40–60 PSI, maintain at least 1/2" clearance from tires, brakes, frame, and shock absorbers, and at least 6" clearance from the exhaust system.
Perform clearance, leak, heat, and fastener tests at 40–60 PSI. Drive 10 miles and recheck for clearance, loose fasteners, and leaks. Check air pressure weekly and never exceed 100 PSI.
Use zip ties to secure lines to fixed points. Leave 2" slack and maintain 1" minimum bend radius. Keep 6" clearance from exhaust. Make clean, square cuts with a razor blade or hose cutter; never use scissors or wire cutters.
Use a soapy water solution to check all air line connections and the inflation valve core. Apply the solution to all connections and look for bubbles indicating a leak. All leaks must be eliminated before the vehicle is road tested. If leaks are found at connections, tighten the fittings. If the leak persists, the connection may need to be remade or the valve core replaced.
This condition is normal and acceptable. Once the leaf spring U-bolt hardware is torqued to 10 lb.-ft. (14 Nm), the upper and lower brackets will not be parallel and may look like they are out of alignment. This is by design because of the way the lower bracket and upper bracket mounts are designed. Some variance from one unit to another is considered normal.
It may be necessary on some models to not tighten the axle clamp bar evenly on the passenger's (right) side so that the clamp bar will clear the hard brake line. Tighten the bolts unevenly if needed to avoid pinching the brake line. Do not pinch the hard brake line while tightening.
If the cup does not sit on the jounce bumper strike plate correctly with the flanges touching the strike plate on both the front and back side, the cup swivels on the main plate. Rotate or move the cup to obtain the correct seating condition. The cup must be nested onto the jounce bumper strike plate properly for correct installation.
If the connector broke during disassembly, zip tie it to the bracket instead of pushing it back into the gas/DEF tank mounting hole. This prevents further damage and maintains electrical connections.
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