The Air Lift LoadLifter 5000 Ultimate is a rear load-leveling air spring kit for 2011-2019 Ford Super Duty F-250 and F-350. Its reinforced air springs mount over the factory leaf springs and add up to 5,000 lbs of load-leveling capacity. The internal jounce bumper allows the system to run safely at zero air pressure, and pressure is adjustable from 5 to 100 PSI.
| Type | LoadLifter 5000 Ultimate rear load-leveling air spring kit |
| Capacity | Up to 5,000 lbs (do not exceed vehicle GVWR) |
| Pressure | 5-100 PSI adjustable |
| Jounce Bumper | Internal; safe at zero pressure |
| Mounting | Over the rear leaf springs |
| Includes | 2 air springs, brackets, air lines, Schrader valves and hardware |
| Part Number | 78551 |
| Warranty | Limited Lifetime Warranty |
| Fitment | 2011-2019 Ford F-250 Super Duty / F-350 Super Duty |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2019 | Ford | F-250 Super Duty | King Ranch |
| 2011-2019 | Ford | F-250 Super Duty | Lariat |
| 2011-2019 | Ford | F-250 Super Duty | Limited |
| 2011-2019 | Ford | F-250 Super Duty | Platinum |
| 2011-2019 | Ford | F-250 Super Duty | XL |
| 2011-2019 | Ford | F-250 Super Duty | XLT |
| 2011-2019 | Ford | F-350 Super Duty | King Ranch |
| 2011-2019 | Ford | F-350 Super Duty | Lariat |
| 2011-2019 | Ford | F-350 Super Duty | Limited |
| 2011-2019 | Ford | F-350 Super Duty | Platinum |
| 2011-2019 | Ford | F-350 Super Duty | XL |
| 2011-2019 | Ford | F-350 Super Duty | XLT |
| 2011-2019 | Ford | F-250 Super Duty | Base |
| 2011-2019 | Ford | F-350 Super Duty | Base |
| 2011-2019 | Ford | F-250 Super Duty | Tremor |
| 2011-2019 | Ford | F-350 Super Duty | Tremor |
| 2011-2019 | Ford | F-250 Super Duty | FX4 |
| 2011-2019 | Ford | F-350 Super Duty | FX4 |
| 2011-2019 | Ford | F-250 Super Duty | SSV |
| 2011-2019 | Ford | F-350 Super Duty | SSV |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
