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Looking for Gooseneck Hitch Inner Tube to Match Outer Tube of etrailer Gooseneck to 5th Wheel  

Updated 10/22/2025 | Published 09/25/2025

Question:

Our company has recently purchased several of the KPG5-Q30 gooseneck couplers. We would like to purchase an adapter for an inner tube that is compatible with the same outer tube but for a 2-5/16inch ball. It will also need to be rated at 30,000 lbs. Does etrailer or the manufacturer of this product offer any options that will fit with this outer tube?

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Expert Reply:

Hey Ryan, you could use the Demco eZ-Latch Gooseneck Coupler # DM43KV with the etrailer Gooseneck to 5th Wheel Trailer Coupler Adapter # KPG5-Q30 that you have. This is correct size and gives you an easier to use latch system for the hitch ball as well.

expert reply by:
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Jameson C
Jameson C. profile picture

Jameson C.

10/22/2025

Hey Ryan, how did the Demco eZ-Latch coupler work out with your gooseneck adapter? Your experience could point others toward the right setup for their trailers.

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