2011-2015 Duramax LoadLifter 5000 Ultimate Air Spring Kit (88339)

The LoadLifter 5000 Ultimate is Air Lift's heaviest-rated helper spring, giving your Duramax 3500HD up to 5,000 lbs of rear load-leveling capacity. Working with the factory leaf springs, it keeps the truck stable, level, and comfortable whether loaded or empty. The exclusive internal jounce bumper cushions shock on rough roads and lets the springs run maintenance-free at zero air pressure.

• Exclusive internal jounce bumper inside the springs absorbs shock
• Air adjustable from 5 to 100 PSI
• Up to 5,000 lbs of load-leveling capacity (do not exceed the vehicle's GVWR)
• Maintenance free and runs safely at zero air pressure
• Eliminates harsh jarring on rough roads
• Fits 3500 cab and chassis
• Limited Lifetime Warranty and 60-Day No Questions Asked Money Back Guarantee

• Bellows Color: Black
• Air Lines Included: Yes
• Fittings Included: Yes