Air Lift 88399 LoadLifter 5000 Ultimate air springs provide up to 5,000 lb of adjustable rear load-leveling support. The kit works with the existing suspension on the vehicle applications below to help maintain ride height as cargo or trailer loads change. Internal jounce bumpers add support when air pressure is low or the load becomes severe.
An air compressor is not included, and the vehicle manufacturer’s GVWR must not be exceeded.
Specifications
| Air Lift | |
| Manufacturer Part Number | 88399 |
| Product Line | LoadLifter 5000 Ultimate |
| Application Position | Rear |
| Load-Leveling Capacity | Up to 5,000 lb |
| Internal Jounce Bumpers | Included |
| Quantity | Set Of 2 |
| Air Compressor Included | No |
| Air Line Included | Yes |
| Roll Plates Included | Yes |
| Valves Included | Yes |
| Mounting Hardware | Yes |
| Estimated Installation Time | hours |
| Warranty | Limited lifetime |
Key Features
- Internal jounce bumpers distinguish the Ultimate series from the standard LoadLifter 5000 configuration.
- Vehicle-specific rear kit for the applications and configurations shown.
- Adjustable air springs help maintain ride height under changing cargo and trailer loads.
- Air compressor is not included; never exceed the vehicle manufacturer’s GVWR.
Compatibility
Vehicle Applications
- 2017 Ford F-250 Super Duty
- 2017 Ford F-350 Super Duty
- 2017 Ford F-450 Super Duty
- 2018 Ford F-250 Super Duty
- 2018 Ford F-350 Super Duty
- 2018 Ford F-450 Super Duty
- 2019 Ford F-250 Super Duty
- 2019 Ford F-350 Super Duty
- 2019 Ford F-450 Super Duty
- 2020 Ford F-450 Super Duty
- 2021 Ford F-450 Super Duty
- 2022 Ford F-450 Super Duty
- 2023 Ford F-450 Super Duty
- 2024 Ford F-450 Super Duty
- 2025 Ford F-450 Super Duty
- 2026 Ford F-450 Super Duty
