AIR LIFT LOADLIFTER 7500XL HELPER SPRING KIT 57538 | 2011-2019 Duramax 6.6L

The Air Lift LoadLifter 7500XL is built for serious hauling and towing. Designed for 2011–2019 Silverado and Sierra 2500HD/3500HD 4WD trucks, this heavy-duty air spring system delivers up to 7,500 lbs of load-leveling capacity, making it ideal for fifth wheel trailers, goosenecks, and slide-in campers.

Featuring massive 7" double-bellows air springs, the 7500XL provides superior load support, improved stability, and adjustable ride control—whether you're fully loaded or running empty.

Key Benefits:

• Eliminates squat when towing or hauling heavy loads
• Improves ride quality, stability, and control
• Reduces sway, bottoming out, and trailer porpoising
• Helps maintain proper headlight aim and braking performance
• Promotes more even tire wear

Features:

• Up to 7,500 lbs of load-leveling capacity
• Air adjustable from 5–100 PSI
• 7" double-bellows air springs for maximum strength
• Reinforced 2-ply fabric construction
• Quick-connect air fittings for easy installation and adjustment

Fitment:

• 2011–2019 GM Silverado / Sierra 2500HD & 3500HD (Rear)
• 4WD models only
• Not compatible with Cab & Chassis models