Wire Armor - Lift Arm Wiring

[Camping Carpenters]

For the circuits that run up with the lift arm on the street side (we have a 2005 2720SD), which would include the A/C, interior lighting, and exterior trailer lights, I have inspected the wire armor or protective sleeving and some of it is worn pretty badly. Removing it will also allow me to inspect the wiring running up in the vicinity of the lift arm. I am searching, but I'm guessing someone in this forum has already dealt with this issue. What's out there to replace this armor? Of course, I'd like to replace it without de-terming all the wires in the refrigerator vent bay. If you've found or know of an armor available, please, let us know.