For 356A T-2 thru 356C -- In 356A T-2 thru 356C, 1957 thru 1956 models, this four-ribbed panel is welded into the body behind the front wheel and closes in the body as part of the fender well. This is for the right side.

Notes:
This separate flat panel is welded over the closing panel on the inner side. Order separately: 644 501 222 00

For repair purposes, we have this lower part of the closing panel, see 644 502 018 05