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Base Rail Kit Recommendation to Install Old Pro Series 15K Hitch on a 2011 GMC Sierra 2500HD  


I have a Pro Series 15000 I need the brackets the tie it to the frame and the hitch for a 2011 GMC 2500HD Sierra 6.0. Can you point me in the right direction.


Helpful Expert Reply:

Thanks for reaching out!

It sounds like you have the old Pro Series 15K Hitch part 30099 that installs to industry standard base rails. To connect this to your 2011 GMC Sierra 2500HD you need an above-bed base rail kit and for that I recommend the Curt Base Rail Kit # C16411-204 because it uses custom brackets that mount to your truck frame and eliminate the need to drill into the frame.

I also recommend checking out the Curt In-Bed 7-Way Kit # C56070 which is a simple yet effective way to make connecting your 5th wheel wiring easier.

Attached are some installation videos for you to check out!

expert reply by:
Jon G

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