Fuel pump differences?

[David Conner]

Anybody know how these two fuel pumps differ?
If the only difference is that the turbo pump is higher capacity wouldn't
it be OK to use it in place of the non-turbo pump?
I think the two pumps are visually the same.
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Dave C.

Fuel Pump Bosch:443 906 091A)  Audi 5000  84-88 (Except 86-88 5000 Turbo),
Audi 100  89-91, Audi Coupe Quattro  90-91

Fuel Pump-Bosch (447 906 091C)  Audi 5000/200 MC Engines (10 Valve)  86-91