The Air Lift LoadLifter 5000 is a rear load-leveling air spring kit for 1999-2007 Chevrolet Silverado 2500 / 1500 HD and GMC Sierra 2500 / 1500 HD trucks. Air Lift's heaviest-rated helper springs deliver up to 5000 lbs of leveling capacity and adjust from 5 to 100 PSI, eliminating sag sway and bottoming-out when towing or hauling. Add air for a heavy load and reduce pressure when running empty. The kit includes the air springs and all mounting hardware. Will not fit vehicles equipped with Quadrasteer.
Specifications
| Type | Rear load-leveling air helper springs (LoadLifter 5000) |
| Capacity | Up to 5000 lbs (do not exceed vehicle GVWR) |
| Pressure Range | 5-100 PSI |
| Mounting | Between existing springs and vehicle frame |
| Includes | Air springs and all mounting hardware |
| Fitment Note | Will not fit with Quadrasteer |
| Part Number | 57250 |
| Warranty | Limited lifetime - 60-day ride satisfaction guarantee |
| Fitment | 1999-2007 Chevrolet Silverado / GMC Sierra 2500 and 1500 HD |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005 | Chevrolet | Silverado 1500 HD | Base |
| 2001-2003,2005 | Chevrolet | Silverado 1500 HD | LS |
| 2001-2003,2005 | Chevrolet | Silverado 1500 HD | LT |
| 1999-2004 | Chevrolet | Silverado 2500 | Base |
| 1999-2004 | Chevrolet | Silverado 2500 | LS |
| 1999-2004 | Chevrolet | Silverado 2500 | LT |
| 2004 | Chevrolet | Silverado 2500 | WT |
| 2001-2003,2005-2006 | GMC | Sierra 1500 HD | SLE |
| 2001-2003,2005-2006 | GMC | Sierra 1500 HD | SLT |
| 2007 | GMC | Sierra 1500 HD Classic | SLE |
| 2007 | GMC | Sierra 1500 HD Classic | SLT |
| 2002-2004 | GMC | Sierra 2500 | Base |
| 1999-2002 | GMC | Sierra 2500 | SL |
| 1999-2004 | GMC | Sierra 2500 | SLE |
| 1999-2004 | GMC | Sierra 2500 | SLT |
| 2003-2004 | GMC | Sierra 2500 | WT |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
