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  1. Gooseneck and Fifth Wheel Adapters
  2. Gen-Y Hitch
  3. Fifth Wheel Trailer to Gooseneck Hitch
  4. Replaces King Pin
  5. 21000 lbs GTW
  6. King Pin Adapters
Gen-Y Hitch 5th Wheel to Gooseneck Pin Box - Manual Latch - Lippert 1621/1621 HD - 21K - 3.5K TW

Gen-Y Hitch 5th Wheel to Gooseneck Pin Box - Manual Latch - Lippert 1621/1621 HD - 21K - 3.5K TW

Our Price: $1,375.99
Gooseneck and Fifth Wheel Adapters
This item qualifies for Free Shipping
Shipping Weight: 98 lbs
Quantity: 
In Stock
Gen-Y Hitch Replaces King Pin Gooseneck and Fifth Wheel Adapters - 325-GH-8045
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This shock-absorbing pin box works with your gooseneck hitch to give a smooth ride while you tow your fifth-wheel trailer. The all-in-1 box has no air bags to refill or small parts to replace. Manual latch allows for simple hookup. 3.5K pin weight. 1-636-306-4830 to order Gen-Y Hitch gooseneck and fifth wheel adapters part number 325-GH-8045 or order online at etrailer.com. Free expert support on all Gen-Y Hitch products. Great prices and Fastest Shipping for Gen-Y Hitch 5th Wheel to Gooseneck Pin Box - Manual Latch - Lippert 1621/1621 HD - 21K - 3.5K TW. Gooseneck and Fifth Wheel Adapters reviews from real customers.
  • All Info
  • Reviews (117)
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Gen-Y Hitch Gooseneck and Fifth Wheel Adapters

  • Fifth Wheel Trailer to Gooseneck Hitch
  • Replaces King Pin
  • 21000 lbs GTW
  • Gen-Y Hitch
  • King Pin Adapters
  • Adapts Trailer

This shock-absorbing pin box works with your gooseneck hitch to give a smooth ride while you tow your fifth-wheel trailer. The all-in-1 box has no air bags to refill or small parts to replace. Manual latch allows for simple hookup. 3.5K pin weight.


Features:

  • 5th-Wheel-to-gooseneck adapter box lets you tow your 5th-wheel trailer with your gooseneck hitch
    • 5th-Wheel pin box replaces the factory pin box on your trailer
    • Coupler attaches to your truck's gooseneck hitch ball
  • Shock-absorbing design ensures a smooth, steady ride
    • Technology functions like a torsion axle to limit transfer of road shock from trailer to truck and vice versa
      • Reduces chucking and rough fore-and-aft motion
      • Limits bounce and jarring up-and-down motion
    • No airbags to maintain and fewer moving parts to repair or replace than with other shock-absorbing solutions
  • Coupler socket secures to hitch ball with pin-style latch
  • Pin weight scale is built in to help you balance your trailer
    • Meter lets you know if your load needs to be adjusted before you tow
  • Cross-shaped holes provide attachment points for safety chains
  • Heavy-duty steel construction
  • Powder coat finish resists wear and corrosion
  • Simple, bolt-on installation
    • Mounts with existing bolts
  • Made in the USA


Specs:

  • Designed to replace Lippert 1621 and 1621 HD 5th-wheel pin boxes
  • Towing capacity: 21,000 lbs
  • Pin weight capacity range: 1,500 lbs - 3,500 lbs
  • Ball size: 2-5/16"
  • 5-Year limited warranty


Notes:

  • In order for the pin box's shock absorption to work correctly, make sure your pin weight is within the pin weight range.
  • To calculate correct towing weight for Gen-Y hitches, use this formula: GVWR x 0.22 = TW.
  • Because the Gen-Y Hitch Executive is shorter than the Lippert 1621 or 1621 HD pin box, the clearance between your trailer and tow vehicle during turns might be reduced.

Calculated Tongue Weight Executive Tongue Weight Capacity Required
500-1,500 lbs 2,000 lbs
1,501-3,000 lbs 3,500 lbs
3,001-4,000 lbs 4,500 lbs
4,001-5,000 lbs 5,500 lbs
5,001-6,000 lbs 6,500 lbs
6,001-7,000 lbs 7,500 lbs
7,001-8,000 lbs 8,500 lbs

Fifth Wheel to Gooseneck Adapter

Say your truck has a gooseneck hitch for towing your horse trailer, but you want to go camping with your new fifth wheel. You could outfit your truck with a new fifth-wheel hitch that attaches to your existing gooseneck hitch, but that means having to move a heavy, bulky hitch into and out of your truck bed all the time.


You could also purchase an adapter that bolts onto your trailer's existing pin box. But adding a new component to your setup can keep your pin box from working how it was designed. King pin adapters can create a stiff ride and can even strain your fifth wheel's frame by adding too much height at the connection point.


A better option is to use this gooseneck-compatible pin box to easily tow your fifth-wheel trailer with your truck's gooseneck hitch. The box replaces your trailer's existing pin box, which means it's designed to act as a part of your trailer instead of simply bolting over your king pin like an adapter does.


Built-In Shock Absorption for a Smooth Ride

Executive torsion

If you've ever towed a fifth-wheel trailer before, you're no stranger to road shock. Driving over uneven terrain can result in a rigid, bumpy ride. And uncomfortable fore-and-aft chucking can occur when you're starting and stopping. When all of the motions combine, the road shock can even potentially damage your truck or trailer.


This Gen-Y Hitch torsion pin box is designed to absorb road shock at the connection point to create a safe, smooth ride. This is thanks to the internal construction of the box, which is similar to that of a torsion axle.


Pivot points are built into the Gen-Y pin box adapter. This allows for movement between the box, which attaches to your trailer, and the coupler tube, which connects to the gooseneck hitch ball in your truck bed. When your trailer bounces or jerks, the coupler tube will move accordingly.


torsion diagram

Built into the Gen-Y pin box are tubes with inner bars that are surrounded by rubber cords. As the coupler end moves, these inner bars twist inside of the tubes, attempting to follow the coupler's motion. But the rubber cords prevent the bars from twisting too far. And as each bar turns, these cords compress to absorb the rough shock. This means that any shock experienced by your truck can be absorbed before it reaches your trailer, and the shock experienced by your trailer won't get transferred to your truck.


Easily Check Your Vertical Load

pin weight scale

The vertical load, or pin weight, refers to the weight that a fully loaded trailer exerts downward on the hitch ball in the truck bed. Too little vertical load can cause trailer sway and too much can cause poor performance.


This Gen-Y pin box has a built-in mechanical scale so that you can check to see if your vertical load is too high or too low. The highest arrow on the scale indicates your maximum vertical load (3,500 lbs). The lowest arrow indicates no vertical load (0 lbs). For the built-in shock absorption to function effectively, the scale's white indicator marker should be between the highest arrow and the middle arrow when you hook up your trailer to tow.



GH-8045 GenY Hitch Executive Fifth-Wheel King Pin to Gooseneck Converter with Manual Latch Coupler - LCI 1621/1621 HD - 21,000 lbs

Item # 325-GH-8045





Customer Satisfaction Score:


Customer Reviews

Gen-Y Hitch 5th Wheel to Gooseneck Pin Box - Manual Latch - Lippert 1621/1621 HD - 21K - 3.5K TW - 325-GH-8045

Average Customer Rating:  4.8 out of 5 stars   (117 Customer Reviews)

This shock-absorbing pin box works with your gooseneck hitch to give a smooth ride while you tow your fifth-wheel trailer. The all-in-1 box has no air bags to refill or small parts to replace. Manual latch allows for simple hookup. 3.5K pin weight.

by:

I originally had an Andersen ultimate
Made
me nervous with cracking welds etc
Switched to the Gen Y
Never looked back
Took a few hundred miles to break in but now it pulls super smooth




by:

Installation took 1 hour with 2 people. Made very well. Pulled trailer great and expect ride to get better with break in. I went with 3.5k and on lighter side of recommended king pin weight. Shipping was quick and had email notifications the whole way. Will use etrailer again




by:

Installation was very straight forward, it is heavy so you need something to prop it up for you while you get at least one bolt started in each side. I used the bucket on my tractor to hold it up. I only have one tow in so far for about 50 miles so still early to review. It certainly works as advertised for taking out a lot of the trailer feedback on rough roads, uneven transitions, etc. It is an improvement in ride quality and makes towing a big fifth wheel more comfortable. Necessary? Probably not but it does spoil you a little bit. One problem though that Gen-Y is working on fixing is the ball to pinbox is a little bit longer and I did hit the bed cap at about 60 deg of turn while backing in at an angle. It cleared when I tested it in the flat driveway, but not by much. They are going to come up with a fix. I'm at 7 1/2" clearance from the overhang to the bed caps sitting flat. This is with a '18 Chev Silverado HD 8' bed and a '19 Momentum 351M




by:

Love this hitch great quality ! Easy to install as well! Makes pulling my camper much easier!




by:

Overall has worked well with our 30’ Aruba. I have had no issues with it would purchase again if needed.




by:

Super fast delivery with not one but 3 emails from 3 different people keeping me informed of where my order was and down to the minute of when it was delivered to my door! I will continue to use them for all my RV needs! Thank you for making things happen instead excuses for why it’s not delivered yet! I have heard more “pandemic “ excuses from folks taking advantage of the situation! etrailer stepped up and knocked it out the park! Thank you for everything you have done!




by:

Order arrived early in good shape




by:

Great product and amazing customer service. The first hitch was delivered damaged but etrailer resolved the issue and my new I damaged hitch showed up 2 days later.




by:

Very good service they where very helpful and fast shipping




by:

Great item easy to install, has worked flawless.




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by:

Review from a similar Executive King Pin in Gooseneck and Fifth Wheel Adapters


The Gen-Y gooseneck has been excellent! I now have approximately 12k miles on mine and it rides very nicely with very limited chucking and handles rough roads very well. I’d highly recommend that you contact Gen-Y BEFORE ordering to ensure you get the correct load rating product. Gen-Y and Etrailer have provided excellent customer and tech support! This product definitely frees up your truck bed and does require a precise line up to hitch.




by:

Review from a similar Executive King Pin in Gooseneck and Fifth Wheel Adapters


Man,this thing is GREAT! It was 1 day late on delivery, but other than that, it bolted right up using the existing holes, NO DRILLING! I was THRILLED!
It works as advertised, the powder coat paint is awesome, the auto latch works flawlessly. I am very pleased
I would recommend anyone wanting to switch a 5th wheel kingpin to a gooseneck to use Gen-Y. They got their act together!




by:

Review from a similar Executive King Pin in Gooseneck and Fifth Wheel Adapters


Definitely recommend this hitch




by:

Review from a similar Executive King Pin in Gooseneck and Fifth Wheel Adapters


Direct fit, easy installation, only thing is had to move to the top set of holes on the trailer brackets. Looks great




by:

Review from a similar Executive King Pin in Gooseneck and Fifth Wheel Adapters


This was the perfect replacement for my 5th wheel king pin. It was easy to install and has a much smoother ride! I would definitely purchase this again!




by:

Review from a similar Executive King Pin in Gooseneck and Fifth Wheel Adapters


Room is too short coupled when backing up to your camper. Do not buy this for a replacement.


Comments
This coupler will have the same height adjustments as the Lippert 1621 and 1621 HD pin box however will be roughly 2 inches shorter overall then your currently pin box so depending on the bed length of your truck you may have cab to trailer clearance issues if not using an offset gooseneck ball.
-- Etrailer Expert Jenny N - 10/10/2022


by:

Review from a similar Executive King Pin in Gooseneck and Fifth Wheel Adapters


I have a short bed diesel truck with a B&W gooseneck system installed. I purchased the GEN-Y Gooseneck to install on my new 5th wheel. I have a gooseneck horse trailer, so this choice was obvious. I ordered the GEN-Y from etrailer, we had a lot of back and forth discussions on shipping and arrival dates. I had my local RV dealer install it, way to heavy for me to wrangle. The RV dealer had never heard or seen the GEN-Y product line before, they were so impressed that they are now the authorized GEN-Y dealer in my area. When I hooked my 5th wheel I didn't have enough space between the truck cab and the 5th wheel to maneuver. I had mistakenly thought the GEN-Y would provide enough added space, wrong. I called etrailer to discuss and express my concerns and asked if they had any info to help me. The courteous customer service representative acted like they had never heard of this problem before and would certainly look into it and call me back. Nope, never heard from etrailer.com again. I did my own research and found a gooseneck extension ball manufactured by B&W and it is rated at 20k. This made it possible to actually maneuver the 5th wheel. This B&W extension should be recommended by etrailer every time a Gen Y gooseneck hitch is sold to a short bed truck owner. But, since etrailer had never heard of this problem don't count on it. I am very disappointed with their customer service.
Regarding the GEN-Y, this is a beast and built so well. While towing my 5th wheel I am fully enjoying the torsion shock absorbing technology. One area for improvement on the GEN-Y, the release cord does not have method to keep the release cord open without holding it. On a competitors version (Reese) they have a method to hold it open. See pic for this method, I plan on adding this to my GEN-Y, which is otherwise a far superior product in my opinion. Love the GEN-Y, not so much for etrailer.




by:

Review from a similar Executive King Pin in Gooseneck and Fifth Wheel Adapters


Great product quality and design. Muchnimprov3d ride performance with the Gen-Y executive hitch.




by:

Review from a similar Executive King Pin in Gooseneck and Fifth Wheel Adapters


This works absolutely perfect in a Ram 3500 with 6 1/2 ft bed, and the Gen Y gooseball hitch.
I think if more people knew of this combination, the fifth wheel style hitch, Anderson hitch and others would become obsolete.
Get to your destination, disconnect, pull out the ball, and the bed of your truck is free!




by:

Review from a similar Executive King Pin in Gooseneck and Fifth Wheel Adapters


Worked out perfect for my application. 2022 Ford F-250 4x4




by:

Review from a similar Executive King Pin in Gooseneck and Fifth Wheel Adapters


Works great and I have my bed space back and not tied up with bulky fithwheel plates and rails. Trailer pulls great a lot quieter and reduced chucking.




by:

Review from a similar Executive King Pin in Gooseneck and Fifth Wheel Adapters


The looks and ride of the hitch are great. The only flaw is hooking up can be a pain if you don't have a rear camera on your cab. Unhooking can also be a bit tricky as well. Otherwise very happy with the ride.



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Show More Reviews

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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Randy B
Installed by:
Randy B
Employee Jacob T
Video Edited:
Jacob T
Employee Wilson B
Updated by:
Wilson B
Employee Noah M
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Noah M
Employee Alexander C
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Alexander C
Employee Aidan B
Video by:
Aidan B

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