When Should I Replace The Lube Plate With A New One?
Updated 09/12/2025 | Published 05/22/2025
Question:
When should I replace the Lube Plate with a new one?
asked by: Dan H
Expert Reply:
Hello Dan, good question. There is not a set-in-stone answer here because there are so many different factors that can affect the lifespan of a 5th wheel lube plate. The terrain you are going over, the weight of your trailer, and the frequency with which you use it are all really important and will impact how often you need to change it. A good rule of thumb is to just replace it every season, but they can last much longer than this in some cases.
Take a look at your lube plate and see if there are any signs of wear. It should be pretty obvious if it needs to be replaced. If you see any cracks, large gouges, or uneven wear, it will be time for a new one. The Curt # 16721 lube plate you were looking at is 10" diameter and 3-1/6" thick. The owners manual for your 5th wheel hitch should specify what thickness and diameter plate to use.
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Product Page this Question was Asked From
Curt Lube Plate for 5th Wheel Trailer Hitches - 10" Diameter
- Accessories and Parts
- 5th Wheel Hitch
- Plates
- Lube Plate
- CURT
more information >
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Jesse M.
9/12/2025
Hey Dan, did you get a chance to check your lube plate for any signs of wear like cracks or uneven surfaces? I'm curious to know if the advice to replace it every season worked for you, as it could help others in a similar situation.