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Gooseneck Hitch for a 2021 GMC Sierra 1500  


Gooseneck hitch for GMC 2021 1500


Expert Reply:

To add a gooseneck hitch to your 2021 GMC Sierra 1500 you are going to want the Custom Underbed Installation Kit for B&W Companion 5W Hitch item # BWGNRK1019-5W. The underbed install kit gives you the gooseneck hitch plus the added option for a 5th wheel hitch if you ever need one.

Please note this will not fit the carbon bed models.

To make towing with a gooseneck easier I recommend adding the Curt 5th Wheel/Gooseneck Custom Wiring Harness item # C53CR. This harness puts a 7-way connector in the bed of your truck and allows you to keep the one on your bumper. This makes hooking up to your gooseneck trailer easier and more convenient.

expert reply by:
Jerred H

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