Please refer to http://pro.grohe.com/  prevails for all spare parts matching information. Bellowed are for reference only.

Grohe 30489 Ambi Cosmopolitan two handle sink mixer 1/2″ – chrome
Grohe 30190 Ambi Cosmopolitan Two Handle Sink Mixer 1/2″ – Chrome
Grohe 30189 Ambi Two Handle Sink Mixer – Chrome
Grohe 32661001 Concetto Single Lever Sink Mixer 1/2″ – Chrome
Grohe 32661DC1 Concetto Single Lever Sink Mixer 1/2″ – Supersteel
Grohe 32259002 Eurodisc Cosmopolitan Single Lever Sink Mixer – Chrome
Grohe 33772002 Eurodisc Cosmopolitan Wall Mounted Single Lever Sink Mixer – Chrome
Grohe 32752 Euroeco Single Lever Sink Mixer – Chrome
Grohe 32843 Eurosmart Cosmopolitan Single Lever Sink Mixer – Chrome
Grohe 31180 Eurosmart Cosmopolitan Single Lever Sink Mixer – Chrome
Grohe 32752 Eurosmart Single Lever Wall Mounted Mixer- Chrome
Grohe 32224002 Eurosmart Wall Mounted Single Lever Sink Mixer – Chrome
Grohe 32224003 Eurosmart Wall Mounted Single Lever Sink Mixer – Chrome
Grohe 31391002 Eurosmart Wall Mounted Single Lever Sink Mixer – Chrome
Grohe 31127002 Eurostyle Cosmopolitan Single Lever Sink Mixer – Chrome
Grohe 33982002 Eurostyle Cosmopolitan Wall Mounted Single Lever Sink Mixer – Chrome
Grohe 31375AL0 Minta Single Lever Sink Mixer – Brushed Hard Graphite
Grohe 32488AL0 Minta Single Lever Sink Mixer – Brushed Hard Graphite
Grohe 32917AL0 Minta Single Lever Sink Mixer – Brushed Hard Graphite
Grohe 32488 Minta Single Lever Sink Mixer – Chrome
Grohe 32917 Minta Single Lever Sink Mixer – Chrome
Grohe 31375 Minta Single Lever Sink Mixer – Chrome
Grohe 32488DC0 Minta Single Lever Sink Mixer – Supersteel
Grohe 31375DC0  Minta Single Lever Sink Mixer – Supersteel
Grohe 32917DC0  Minta Single Lever Sink Mixer – Supersteel