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2019+ GM 4500/5500/6500 - KELDERMAN - 4X4 4-LINK REAR AIR SUSPENSION

Take the productivity of your chassis cab to new heights with a better ride and carrying capacity with a Kelderman 4-Link Rear Air Suspension!

- Replaces stiff factory leaf springs
- Four Airbag Design
- Softer Ride Quality - No More Harsh Rebound
- Adjustable Trailing Arms Allow for Better Centering of Rear Axle with Custom Service Bodies
- Adjustable Panhard Bar Prevents Side-to-Side Movement Going Down the Road
- Self-leveling Air Control Option Available
Please Call for Availability
Availability: This product is only Available for Purchase and Installation Through Our Performance Shop.


The Silverado 4500/5500/6500 trucks are the long-overdue option from GM for the heavy-duty truck market. If you are looking to upgrade the factory leaf spring suspension then look no further than Kelderman's time-tested 4-Link Rear Air Suspension System. This kit features a four airbag design (two per side) to provide a better all-around suspension system for your work truck. Air suspension can provide you with softer ride quality and you will no longer experience the harsh rebound of a stiff leaf spring suspension. This kit also comes with four adjustable trailing arms to allow you to center your rear axle properly within a service body, truck box, etc. These will keep the rear end in place along with an adjustable panhard bar setup that prevents side-to-side movement when going down the road.

In addition to the components, the kit will include trailing arm mounts, upper and lower air bag mounting plates, rear cross member, rear sway bar, sway bar end links, axle clamps, air line, fittings, and Schrader valve inflators. This will allow you to add air to the suspension 'manually' like you would a truck tire. Self-leveling air control packages are available to provide your truck with an onboard air compressor, air tank, height control valves, dump valves, air dryer, and in-cab controls to allow the rear suspension to automatically adjust to weight as needed to maintain the proper 'ride height' or lower 3.5-4" at the push of a button. Finally, give your Silverado the ride quality you deserve with an upgrade to a Kelderman 4-LinK Rear Air Suspension. Rear Axle Code/Diameter Verification Required (J27 or GL4).

Please call us at 630-277-8239 for assistance with pricing, availability, custom powder coating options and scheduling your vehicle for installation at our performance shop.



  • Kelderman
  • This product is only Available for Purchase and Installation Through Our Performance Shop.
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  • This item ships in its own box.

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