AirLift Rear Helper Spring Kit for 2017-2019 Ford F-350 Super Duty 4WD

Description
AirLift Rear Helper Spring Kit for 2017-2019 Ford F-350 Super Duty 4WD

AirLift Helper Spring Kit for 2017-2019 Ford F-350 Super Duty 4WD

Part Number: 89399

Summary:
The AirLift LoadLifter 5000 Ultimate Plus is a frame-mounted helper spring kit designed to provide up to 5,000 pounds of load leveling capacity. This system features air springs with internal closed-cell urethane foam jounce bumpers and is intended to support the vehicle’s suspension when loaded or unloaded. The kit utilizes rubber air springs reinforced by 2-ply fabric and includes stainless steel components for hardware and air lines.

This product is intended for load support or component replacement only and does not alter factory suspension geometry unless explicitly stated.

Features

• Internal Jounce Bumper: Closed-cell urethane foam bumper absorbs shock and allows the system to be safely run with zero air pressure.
• Stainless Steel Components: Includes stainless steel roll plates, braided air lines, and mounting hardware for protection against debris and corrosion.
• Military-Grade AN Fittings: Threaded fittings designed for a metal-to-metal seal without requiring air line cutting.
• Load Leveling Capacity: Provides up to 5,000 pounds of leveling capacity to keep the vehicle stable and level.

Technical Specifications

Fitment

• 2017 Ford F-350 Super Duty 4WD
• 2018 Ford F-350 Super Duty 4WD
• 2019 Ford F-350 Super Duty 4WD

What’s Included

• 2 Air Springs with Internal Jounce Bumpers
• Stainless Steel Roll Plates
• Stainless Steel Braided Air Lines
• Military Grade AN Style Fittings
• Stainless Steel Mounting Hardware
• Valves
• Instruction Manual

Why This Product Exists

• Purpose: This product addresses vehicle squat and instability by providing up to 5,000 pounds of load leveling support.
• Application: Used on 2017-2019 Ford F-350 Super Duty 4WD models to maintain a level vehicle height during towing or hauling.

Frequently Asked Questions

Does this product increase vehicle lift?
No. This product does not increase ride height unless explicitly stated by the manufacturer.

Is this product intended for towing?
Yes. This product is designed to provide up to 5,000 pounds of load leveling capacity for towing and hauling applications.

Does this product change GVWR?
No. GVWR is determined by the vehicle manufacturer and is not altered by this product.