Recommended 5th Wheel Hitch And Air Bag Suspension System For 2013 GMC Sierra 2500 Short Bed 4x4  

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On your 2013 GMC Sierra 2500 4x4 with 6-1/2 foot bed, lets start with custom rails so you don't need to drill into your frame. I recommend the Reese Quick-Install Custom Base Rails and Installation Kit for 5th Wheel Trailer Hitches # RP50066-58. This will give you industry standard rails and custom brackets for an easy install that will take about 1/2 the time of a universal bracket kit.

For a 20K hitch, I recommend the Curt A20 5th Wheel Trailer Hitch w/ R20 Slider - Dual Jaw - 20,000 lbs # C16541. The price point for what you get with this hitch makes it a great option. It has a dual jaw design for king pin contact. It has a 2-pin removable pin to allow easy install for one person. It has the round bar slider for a smoother slide to the locking positions without binding. It also has color coded lock indicators and 4 inch height adjustment.

You may want to consider using # C56000 to add a second 7-way to the bed of your truck for easy connection of your 5th wheel.

For your air springs, I recommend the Firestone Ride-Rite Air Helper Springs - Double Convoluted - Rear Axle # F2613 which are confirmed to fit a 4x4 and are compatible with an in-bed hitch. This will allow you to level your truck while under load. You will also need the Lift Spacers for Firestone Ride-Rite Air Helper Springs - Vehicles w/ 4" Lift # F2371 for these springs. These springs include the manual inflation valves, but if you want the compressor for in cab adjustment at any time, I recommend the Firestone Air Command I Compressor System with Analog Gauge and Heavy Duty Compressor - Single Path # F2097. This included the air pressure gauge as well as the switch to add or release air.

expert reply by: Jason S

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