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Lift Kit for Single Axle Trailer With Dexter 479845 Axle  

Updated 09/30/2025 | Published 09/03/2025

Question:

Lift kit for a single axle travel trailer with a Dexter 479845 axle

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Expert Reply:

Hi Bob; it looks like that is a Dexter 4k axle with leaf springs and it came in the underslung configuration. For a lift kit you can use an axle flip kit. This will raise the trailer by the diameter of the axle plus the height of the leaf spring stack. 4k axles can vary in diameter depending on what they're based on so you will need to check before picking out a kit. If it is 2-3/8" you can use the # K71-384-00 and for 3" # K71-385-00.

If your leaf springs are already on top of your axle, or you find you have a different diameter, let me know in the comments below.

expert reply by:
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Robin H
Dexter Trailer Springs Over-Under Conversion Kit
Dexter Trailer Springs Over-Under Conversion Kit
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Robin H. profile picture
Etrailer Expert

Robin H.

9/29/2025

Hey Bob, did you have a chance to check the diameter of your axle to decide on the right lift kit? I'm here to help if you need more assistance with your setup.

Bob M. profile picture

Bob M.

9/30/2025

Yes, but I decided not to raise it. I do plan on purchasing new brake assembly and wheel Bearings next year. Thank you!!

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