Recommended Gen-Y Hitch Executive Fifth-Wheel King Pin Box for a Lippert 1621/1621HD Bolt Pattern
Updated 06/06/2026 | Published 05/30/2026
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Question:
Is Gen-Ys THE EXECUTIVE FIFTH WHEEL TORSION-FLEX KING PIN BOX Lippert 1621/1621HD pin box the same as your Gen-Y Hitch Shock Absorbing 5th Wheel Pin Box Code:GY68GR?
asked by: Mike M
Expert Reply:
Yes, it is Mike. The Gen-Y Hitch Shock Absorbing 5th Wheel Pin Box item # GY68GR is designed to fit a Lippert 1621/1621HD pin box. It has a 30,000 lbs towing capacity and a pin weight capacity range of 2,000 lbs - 4,500 lbs. This torsion pin box is designed to absorb road shock before it gets transferred to your trailer.
What kind of pin box do you currently have on your 5th wheel trailer and do you know what bolt pattern it has?
(click to enlarge)
Dwayne
6/6/2026
It works wonderfully!! the chucking has really went away and not even completely broken in yet. Very happy this pin box on my Jayco Eagle 321 RSTS.
Richard
6/6/2026
The best kingpin box ever
Product Page this Question was Asked From
Gen-Y Hitch Shock Absorbing 5th Wheel Pin Box - Lippert 1621/1621HD - 30K - 4.5K TW
- 5th Wheel Pin Box
- Upgraded Pin Box
- Absorbs Road Shock and Reduces Chucking
- 30000 lbs
- Torsion Suspension
- Fixed Turret
- Lippert 1621
- Lippert 1621HD
- Gen-Y Hitch
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Mike M.
6/4/2026
Is there a way to share a picture? It's got three bolts in a line in the front, two bolts in the back lining up with the top two in the front. It's a Lippert on a 2020 Grand Design Solitude S-Class. The pinbox is stamped 119115, DOM 100419, Max GVW 18000lbs, Max Pin wt 3600lbs, SAE J2638 The top bolts are center to center 7 ?"