Replacement Pin Box For Switching To a Gooseneck Ball Connection On 5TH Wheel With Lippert 1621 18K

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Question:

My fifth wheel trailer has a Lippert 1621 18k pin box on it and Im looking to change it to a Gooseneck. Can you tell me what products will will work with this set up?

asked by: Josh

0

Expert Reply:

The Reese Goose Box 5th-Wheel-to-Gooseneck Air Ride Coupler Adapter # RP85FR is going to be your best option as the Gen-Y pin boxes you found are not yet certified by Lippert to not void their frame warranty. You will need the Safety Chain Kit # RP49151 since you are switching to a ball connection.

If you prefer to go with the Gen-Y and are not worried about the warranty then you will need to find the tongue weight of your trailer. The Gen-Y Hitch # GY58GR which is rated for a tongue weight of 1,500-3,500lbs. It is unlikely that you will need the Gen-Y Hitch # GY38FR rated for 2,000-4,500lbs as that is generally for larger 5th wheels. You will need a Safety Chain # GY49GR for either of these pin boxes and I recommend the Installation Bolt Kit # GY86FR incase any of the factory bolts are damaged or become damaged during removal. While you can reuse the factory bolts I have seen them easily become damaged.

expert reply by: Bud M

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Answer 1

The Gen-Y Hitch Shock Absorbing 5th Wheel to Gooseneck Pin Box #GY58FR would be the correct pin box to fit your 2020 Keystone Impact 415 Toy Hauler that has a 1621 pin box. This Gen-Y is rated for a maximum trailer weight of 30,000lbs and a tongue…

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Answer 2

For the UMS underbed fifth wheel rail kit you have installed in your 2015 GMC Sierra 2500 all you'd need is the part #DM5988 and you'd be set.

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Answer 3

Hey David, from previous customers of ours who have the same 2020 Keystone Raptor 424 we have determined that your pin box style is the Lippert 1621 which means for a Gen-Y gooseneck adapter you'd want the #GY58GR that you referenced.

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Answer 4

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 5

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 6

Thanks for the pictures and information! I just heard back from my contact at Lippert and your 2024 Keystone Cougar has a 1621 pinbox. You will need the Gen-Y Hitch 5th Wheel to Gooseneck Pin Box item #GY58GR you were looking at. You will also need…

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Answer 7

Choosing the right height setting for your 5th wheel hitch is a combination of a few different variables. First of all you want your towing setup to be as level as possible. With your Montana High Country 340BH level you will want to measure from the…

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Answer 8

Hey Mark, from previous customers we have determined that the your 2009 Coachmen Chapparal M-278 has a Lippert 1621 pin box so the Gen-Y Gooseneck adapter part #GY58GR would fit and work great on it. This will give you a cushioned gooseneck adapter.…

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Answer 9

The best way to prevent any clearance issues with your 2022 KZ Durango Gold G356RLQ and your 2020 Chevrolet Silverado 2500 with 6-1/2' bed and factory puck system is by using the Demco Autoslide 5th Wheel Hitch #DM79GV. This hitch slides back and…

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Answer 10

I spoke with my contact at Trailair and from your serial number we were able to determine that your trailer came with a 1621 HD pin box which is a long pin box style. I was unable to obtain the exact part number for your Trailair pin box but from the…

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Answer 11

Thanks for all of the pictures! That is exactly the information I needed. To replace the Rhino Box on your 2023 Grand Designs Momentum, I recommend the Gen-Y Hitch Shock Absorbing 5th Wheel to Gooseneck Pin Box item #GY23GR. This gooseneck adapter…

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Answer 12

Great question, Jeff! When the Rota-Flex first came out it renovated what a pin box could do and be, but at this point in time that technology is a little more dated and the Gen-Y Hitch Shock Absorbing 5th Wheel Pin Box #325-GH-8040 is the "new…

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Replacement Pin Box For Switching To a Gooseneck Ball Connection On 5TH Wheel With Lippert 1621 18K

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