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Dexter Vault Hybrid Lubrication System for Boat Trailer Axle  

Updated 08/15/2025 | Published 07/22/2025

Question:

Hi, I need some help here. I want to replace the seals on my 2008 boat trailed. It has the Trailer Buddy axles by UFP with The Vault hybrid lube. I have a dual axle trailer, it has 1.98 bore. I want to get 4 inner seals, o-rings, bearings, the outer stainless steel protector, grease and anything else required to do this. Do you offer kits for this? Do you need any more info? Thanks, Chad

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Expert Reply:

Hey Chad, we do have Dexter Vault kits like it sounds like you are looking for but it comes down to what capacity axle you have to determine which kit you need.

# DX52UR is for 2500 to 3500 lb axles
# DX23ER is for 4200 to 5200 lb axles
# DX83ER is for 6k axles
# DX73ER is for 7k axles.

Since you mentioned 1.98 inch diameter its very likely what you need is the part # DX52UR for 3,500 lb axles.

expert reply by:
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Jameson C
Jameson C. profile picture
Etrailer Expert

Jameson C.

8/15/2025

Hey Chad, did you find the right kit for your trailer? I'm here to help if you need more assistance with your axle capacity or anything else related to your project.

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