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Do You Have a Replacement Access Door for a Leveling System?  

Updated 09/28/2025 | Published 05/04/2025

Question:

Have 21 Alliance 370FB. Looking for a replacement door that for 6pt leveling control panel switch. Ours is black.

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Expert Reply:

Hey Raymond. We have replacement access doors like the 6-7/8" x 6-3/8" B&B RV Electric Cable Hatch item # BM23MR. However, I have no database that shows me what came with your Alliance 5th wheel trailer. I would need to know what size your current door and opening is to see if we have a replacement. You can leave this information in the comment box below.

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Jerred H
Jerred H. profile picture

Jerred H.

9/26/2025

Hey Raymond, did you have a chance to check the size of your current door and opening for the leveling control panel switch? I'm asking because knowing your outcome could help others with similar Alliance 5th wheel trailers.

Raymond K. profile picture

Raymond K.

9/27/2025

It was aprox 6.5" high X 7 5/8" wide. There is opening for electric cord. It is just a plain solid door with a key lock. I can't find the replacement except for the one you pointed me to. But it is not the same as what is on there.
Raymond K. profile picture

Raymond K.

9/27/2025

@RaymondK sorry no opening for an electrical cord.
Jerred H. profile picture
Etrailer Expert

Jerred H.

9/28/2025

@RaymondK Check this one out then. B&B RV Electric Cable Hatch w/ Thumb Lock item # BM48TR. It measures 7-5/8" long x 6-1/2" wide and fits a cutout measuring 5-7/8" long x 4-3/4" wide. It also has a notch for cable access.

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