AirLift Rear Helper Spring Kit for 2011-2019 GMC Sierra 3500 HD 2WD/4WD – LoadLifter 5000 Ultimate Plus

Description
AirLift Rear Helper Spring Kit for 2011-2019 GMC Sierra 3500 HD 2WD/4WD – LoadLifter 5000 Ultimate Plus

AirLift Helper Spring Kit for 2011-2019 GMC Sierra 3500 HD 2WD/4WD

Part Number: 89338

Summary:
The AirLift LoadLifter 5000 Ultimate Plus is a frame-mounted air spring kit designed to provide up to 5,000 pounds of load leveling capacity. This system features air springs with an internal closed-cell urethane foam jounce bumper and includes stainless steel braided air lines and roll plates. It is intended to support the vehicle suspension when loaded or unloaded and can be operated with zero air pressure due to the internal bumper.

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 inside the air spring absorbs shock and allows the system to run safely with zero air pressure.
• Stainless Steel Components: Includes stainless steel roll plates, braided air lines, and mounting hardware for protection against debris and sharp edges.
• Military-Grade AN Fittings: Threaded fittings designed for a metal-to-metal seal to facilitate a leak-free installation without air line cutting.

Technical Specifications

Fitment

• 2011-2019 GMC Sierra 3500 HD (2WD/4WD)

What’s Included

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

Why This Product Exists

• Purpose: This kit addresses vehicle squat and instability by providing up to 5,000 pounds of leveling capacity through adjustable air pressure.
• Application: Used on GMC Sierra 3500 HD models to maintain a level vehicle profile and absorb road shock via an internal jounce bumper.

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, the source indicates this product allows you to tow and haul with protected air springs and provides load leveling capacity.

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