where to find engine block code? (for 4ks)

[Raj Diocee]

Oops, I did it again, >>> the car is a 1984 4000s 2.2L 5cyl, front wheel 
drive, 5spd.

Hey everyone, I'm just in the process of registering my audi in America, and 
they need my engine block code. Is this simply the engine part number? or is 
there an actual code? if there is, where would it be?

TIA!!!
Raj AUDIocee
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