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Recommended Lock for MORryde GooseTech 5th Wheel to Gooseneck Pin Box  

Updated 12/07/2025 | Published 12/04/2025

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Question:

Which lock do you recommend for the GooseTech? I want to pick one up when I get the pin box to keep it secure, thanks.

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Expert Reply:

Hey Jeff! The MORryde GooseTech 5th Wheel to Gooseneck Pin Box # MR97MV comes with a Demco eZ-Latch. The best option for a lock is the InfiniteRule Lock for Cast Demco eZ-Latch Trailer Couplers # IR66FR. This is designed to for a standard coupler but fits the GooseTech as well.

Are you replacing a 1621 on your 5th wheel?

expert reply by:
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Robin H
InfiniteRule Lock on GooseTech
InfiniteRule Lock on GooseTech
(click to enlarge)
InfiniteRule Lock on GooseTech
InfiniteRule Lock on GooseTech
(click to enlarge)
InfiniteRule Lock on GooseTech
InfiniteRule Lock on GooseTech
(click to enlarge)
Jeff profile picture

Jeff

12/4/2025

Thanks for the quick response! It is a 1621, I already confirmed the bolt pattern and the GVWR to match it up with this one. The lock was the last piece of the puzzle for me. Thanks again!

Robin H. profile picture
Etrailer Expert

Robin H.

12/4/2025

@Jeff you're welcome, I think you're going to be really happy with the GooseTech, let us know how you like it!
Shawn profile picture

Shawn

12/7/2025

Will this lock work for the one that fits the Rhino Box as well? The MR84MV?

Robin H. profile picture
Etrailer Expert

Robin H.

12/7/2025

@Shawn yes, the # IR66FR will also work with the # MR84MV. The lock fits all of the GooseTech pin boxes.

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