Air Lift Loadlifter 5000 Rear Air Spring Kit for 99 to 04 Ford 250/350 Superduty for 2003-2004 Ford F-350 Super Duty

Air Lift Loadlifter 5000 Rear Air Spring Kit for 99 to 04 Ford 250/350 Superduty for 2003-2004 Ford F-350 Super Duty is a air suspension kit built for 2003-2004 Ford F-350 Super Duty and 1999-2004 Ford F-350 Super Duty. It adds adjustable load support to help level the vehicle and maintain controlled handling under changing cargo or trailer weight. That matters because reducing sag, sway, and bottoming helps the suspension stay composed on highways, job sites, and rough trail approaches.

Why Drivers Choose This Product

• Adjustable support helps level the vehicle when towing or carrying cargo.
• Helps reduce suspension sag, sway, and bottoming under load.
• Supports more predictable handling as load conditions change.
• Designed for dependable 4x4, tow-rig, and overland travel.

Additional Details

• Manufacturer part number: 57390.
• Primary fitment: 2003-2004 Ford F-350 Super Duty; 1999-2004 Ford F-350 Super Duty; 2004 Ford F-250 Super Duty. Confirm trim and configuration before installation.
• Manufacturer installation instructions are available for fitment, routing, and final system checks.
• Manufacturer warranty coverage applies as described in the current warranty documentation.

Technical Resources

Manufacturer Warranty, Installation Instructions documentation is available through Air Lift support resources. Review the current documents before installation or service.

Key Features

• Load-leveling air spring system for adjustable suspension support.
• Pressure can be tuned for loaded and unloaded driving conditions.
• Application-specific or universal configuration as identified in the fitment notes.