Hose Valve Regulator.

This part is also known as: CHRG466-4100-W1, G4664100W1, G466-4100-W1, B0FLSMT6P7

Does your part fit?

Many replacement parts look correct but won’t fit your model. This grill part fits the following models:

Charbroil:
463242515, 466242516, 463242516, 466243219, 466242515