Do You Have Replacement Access Plugs for a MORryde Pinbox?
Updated 08/07/2025 | Published 07/13/2025 >
Question:
I have a MORryde fifth-wheel hitch. Part no. RPB72-1621HD. GVWR 18,000 lbs. I need the rubber plugs which seal holes on the top of the hitch. Do you sell these?
asked by: William L
0
Expert Reply:
No, I am sorry William we do not. I checked MORryde's website they don't list them either. I looked at the parts list breakdown for the MORryde Cushioned 5th Wheel Pin Box item # MR84VR. The part you're looking for is called a Access Plug and it's part number is UO136-181.
expert reply by:
Jerred H
0
Product Page this Question was Asked From
MORryde Cushioned 5th Wheel Pin Box for 14K to 18K Trailers w/ Lippert 1621 and 1621HD
- 5th Wheel Pin Box
- Upgraded Pin Box
- Reduces Chucking
- 21000 lbs
- Rubber Spring Suspension
- Fixed Turret
- Lippert 1621
- Lippert 1621HD
- MORryde
more information >
Featured Help Information
Instructions
Continue Researching
- Article: 4 Steps to Choosing Your 5th Wheel Pin Box
- Q&A: Which Cushioned Gen-Y Fifth Wheel Pin Box Fits 2021 Keystone Avalanche 338GK
- Q&A: Will MORryde Cushioned 5th Wheel Pin Box for Lippert 1716 Change Trailer Nose Height
- Q&A: How To Determine Which Pin Box I Have and What Replacements Are Available
- Q&A: Options For Lower The Nose Of Your Fifth Wheel Trailer To Ride Level
- Q&A: Recommended MORryde Pin Box to Replace a Lippert Rhino Box
- Q&A: Mounting Rail System For Pullrite 3300 On 2019 Ram 2500
- Q&A: Is MORryde or Rota-Flex a Better 1621 Pin Box Replacement?
- Article: Gooseneck to 5th Wheel Adapters
- Article: Fifth Wheel Trailer Hitch Information and Installation Tips
- Article: How to Raise Your Travel Trailer Height
- Article: The Best 5th Wheel Hitches
- Article: How to Measure for Travel Trailer and Fifth Wheel Steps
- Article: Stability Control for Heavy Duty Vehicles



Jerred H.
8/7/2025
Hey William, did you manage to find the rubber plugs you were looking for? I'm curious because it could help others in a similar situation.