Air Lift 57272 LoadLifter 5000 Rear Air Spring Kit for 1999-07 Silverado/Sierra

Vehicle Fitment

• 1999-2007 Chevrolet Silverado 1500 (4WD; leaf spring rear suspension)
• 1999-2007 GMC Sierra 1500 (4WD; leaf spring rear suspension)

Features

• Air Lift LoadLifter 5000 rear air spring helper kit for heavy hauling and towing
• Up to 5,000 lb load-leveling capacity to maintain proper ride height under load
• Air springs adjustable from ~5 to ~100 PSI for custom support
• Helps eliminate rear sag, bottoming out, trailer sway, and poor handling
• Rugged 2-ply fabric reinforced air bellows for durability
• Includes all mounting brackets, hardware, and air lines for installation
• Manual inflation valves included for convenient air pressure control
• Limited lifetime warranty with 60-day ride satisfaction guarantee

Specifications

• Part Number: 57272
• Series: LoadLifter 5000 Rear Air Spring Kit
• Air Spring Type: 2-ply reinforced bellows
• Load Capacity: Up to ~5,000 lb (within vehicle GVWR)
• Air Pressure Range: ~5-100 PSI
• Installation Position: Rear leaf spring suspension
• Drive Compatibility: 4WD models only
• Mounting Hardware: Included

Included Components

• 2x Rear air springs (driver & passenger)
• 2x Manual inflation valves
• Air lines with fittings
• Mounting brackets and hardware
• Installation instructions

Product Description

The Air Lift 57272 LoadLifter 5000 Rear Air Spring Kit is engineered to provide adjustable load-leveling support for **1999-2007 Chevrolet Silverado 1500** and **GMC Sierra 1500** pickup trucks equipped with rear leaf springs and 4-wheel drive. Designed to help maintain proper ride height when towing or hauling heavy loads, this kit uses durable, dual-bellow air springs that can be adjusted from approximately 5 to 100 PSI to match your load and driving preferences.

By preventing rear sag, reducing body sway, and improving braking and steering performance under load, the LoadLifter 5000 kit enhances comfort and safety on the road. The kit includes all necessary mounting hardware, air lines, air springs, and manual inflation valves for installation. With reinforced air bellows and a rugged design backed by a limited lifetime warranty and a 60-day ride satisfaction guarantee, this air helper spring kit is ideal for Silverado and Sierra owners who frequently tow, haul, or carry heavy payloads.