Because of the differences in the cooling system plumbing and the
location of the thermostat, the 2.1 water pumps are indeed different
from ones for 1.9s.  All 1.9 water pumps have the same shape and fit.

Mike

Geza Polony wrote:
> It looks like the majority says Hepu. Also the cheapest around as far as I
> can see.
>
> Are all the 1.9 water pumps the same? It seemed to me there was some change
> in the water pumps along the line, or was that going from 1.9 to 2.1? Mine's
> an early 1984.
>