Product updated on 2020-05-22, Air lift - AIR:57393, 99-04 Ford Superduty 2wd. Fits single rear wheel and dual rear wheel models. AirLift Load Lifter 5000 Series, Will fit most side-mount fifth wheel hitch applications., Level your load, like you mean it. Level your massive loads in safety and comfort. Up to 5,000 lbs. load-leveling capacity* Fits 1/2-, 3/4-, and 1-ton pickups and vans with leaf springs Roll plates protect the air springs from possible abrasion and increase load capacity up to 10% Most popular kits offer no-drill installation Kit includes; 2 air springs All necessary mounting brackets All of the hardware needed for installation Fully-illustrated installation guide, Warranty information - We’re with you for the long haul. All air spring kits. Standard limited lifetime air spring warranty — no mileage restriction! Air Lift Company warrants that Air Lift 1000, Air Lift 1000 HD, RideControl, LoadLifter 5000, LoadLifter 5000 Ultimate, LoadLifter 5000 Ultimate Plus, LoadLifter 7500 XL and AirCell air springs systems will be free from defects in workmanship or materials for the lifetime of the vehicle of original installation. This does not include installation or other service charges for replacement.