looks like a slat to me...
tub/hood are ACM I...so that is a frame number in the MB-118XXX range maybe, from the body number
where are you located?
I COLLECT WILLYS MB NUMBERS! Pls. send your Frame, Engine, Body, Hood numbers and DOD
FOUND BOTH: Original, "take-off", OD paint, two bolt spare tire carrier DISC; for CJ2A, side loader T-90