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Air Lift Air Suspension Recommendation for 2020 GMC Sierra Towing a 5th Wheel


Which Air Lift air bags do I need for towing a fifth wheel with my 2020 GMC Sierra 2500?


Expert Reply:

To help compensate for the sag you experience when your fifth wheel is hitched up, I'd recommend an Air Lift LoadLifter 5000 system. The system has a 5000 lb capacity, but it will not increase the capacity of the rear suspension. If you're in the rust belt or in or near a marine environment, you'd benefit from the stainless roll plates, hardware and air lines provided by the AirLift LoadLifter 5000 Ultimate Plus, part # AL89341.

If you aren't located somewhere where corrosion is a concern, either the # AL88341 LoadLifter Ultimate 5000 or the # AL57341 regular Load Lifter 5000 would work perfectly. The difference between the two is the Ultimate # AL88341 has internal jounce stops, which help eliminate body roll and will serve as a fail safe should any of the bags or air lines lose pressure. All the kits mentioned above are compatible with a fifth wheel hitch.

You might also consider an on-board compressor system like the Air Lift Load Controller, part # AL25856. A compressor system provides the ability to tailor the system specifically to your needs on the fly by adding or removing pressure from the system with the push of a button from the comfort and safety of the truck cab.

I've linked an install and a product description video for the air bag system and the compressor.

expert reply by:
Mike L

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