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Recommended 5th-Wheel-to-Gooseneck Adapter for 2018 Ram 3500


Not recommended for Ram 2013 to present? The following note is on the product page: Note: This adapter is not recommended for use with Reese Elite Series gooseneck trailer hitches. It is also not recommended for use with factory-installed towing prep packages from Ford 2011 to present or Ram 2013 to present.


Expert Reply:

The reason the Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter # CAB-C5G is not recommended for use with factory-installed gooseneck prep packages on Fords from 2011-present and Ram from 2013-present is because they use gooseneck hitch ball # RP19311 that has a plastic handle on top (see photo) that folds into the hitch ball and the Convert-A-Ball # CAB-C5G has a nut on the inside that will damage the gooseneck ball.

For that reason, if you wanted to use the Convert-A-Ball on your 2018 Ram 3500 you will need to switch to a different gooseneck ball, the Curt Ball and Safety Chain Loops Kit for Ram Underbed Gooseneck Hitch # C60618. This gooseneck ball has the same type of handle on top but it is metal so there won't be an issue with potential damage. I have added a link to a video review of this kit for you to check out.

Otherwise, if you want to keep your current gooseneck ball, you would need a different adapter, the Ranch Hitch Universal 5th-Wheel-to-Gooseneck Coupler Adapter # AM3100 which will work so long as your measurement from the bottom of the king-pin plate to top of the hitch ball when your truck and trailer are level is between 11-3/4" to 14-3/4".

The Ranch Hitch bolts over your king pin and comes with installation hardware, though it is recommended you use the Slide Hammer for Ranch Hitch 5th-Wheel-to-Gooseneck Coupler Adapter # AM3103 to make the install easier. I have added a photo a customer sent in using this adapter as well as a link to a video review of this adapter for you to check out as well.

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expert reply by:
Kyle S

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Follow up Questions

Matthew P.

I have a 2020 GMC diesel that came with the Curt ball removable kit. Will that work for the convert a ball 5th wheel to goose neck connection? It was a factory install from GMC. It’s for a 38ft 5th wheel!

Etrailer Expert
Reply from Chris R.

Yes, as long as your existing Curt hitch ball doesn't feature that plastic handle (if so just replace it with the Curt # C60618 mentioned above), the Convert-A-Ball # CAB-C5G will work well to hook up your 5th wheel to your 2020 Sierra.

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