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

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

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

Part Number: 88338

Summary:
The AirLift LoadLifter 5000 Ultimate is a frame-mounted helper spring kit designed to provide up to 5,000 pounds of load leveling capacity. This system features rubber air springs with an integrated internal jounce bumper, allowing the springs to be safely operated with zero air pressure. The kit is air-adjustable from 5 to 100 PSI to support vehicle stability while towing or hauling.

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 spring absorbs shock and allows the unit to run safely with zero air pressure.
• Load Capacity: Provides up to 5,000 pounds of leveling capacity to keep the vehicle stable when loaded.
• Construction: Air springs are built with 2-ply fabric reinforcement and high-strength nylon composite end caps for corrosion resistance.
• Roll Plates: Includes upper and lower roll plates to protect the air springs from sharp edges and increase load capacity by up to 10 percent.

Technical Specifications

Fitment

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

What’s Included

• 2 Air Springs with Internal Jounce Bumpers
• Mounting Brackets
• Roll Plates
• Air Lines
• Schrader Valves and Fittings
• Heat Shield
• Installation Hardware
• Instruction Manual

Why This Product Exists

• Purpose: This product addresses vehicle squat and instability by providing up to 5,000 pounds of adjustable load leveling support.
• Application: Intended for use on GMC Sierra 3500 HD models, including those equipped with in-bed hitches, to support heavy towing and hauling loads.

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 load leveling capacity for towing and hauling heavy loads.

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