OEM part# for procon pump used in Cimbali M21?

It looks like the rotary pump in my Cimbai Junior has some sort of
internal gasket or bearing failure. Water streams out of a small
vent(?) hole at the botton of the pump casing where the pump meets the

I removed the pump to clean the internal filter but didnt see a part

Anyone know the OEM part# or specs for the procon pump used in the
Cimbali M21?