Firebox.

This part is also known as: CHRG520-M300-W1, G520M300W1, G520-M300-W1, B0FLSSLX88

Does your part fit?

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

Charbroil:
463273012, 466247311, 463271314, 466271312, 463247310, 463262812, 463273513, 463247311, 463271315, 466247310, 463271313, 463273915, 463271312