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

Grohe 34367 Grohtherm Auto 3000 bar mixer shower
Grohe 34479 Grohtherm Auto 3000 bar mixer shower
Grohe 34508 Grohtherm Cube bath/shower mixer
Grohe 27967 Rainshower System 210
Grohe 27032001 Rainshower System 210
Grohe 27374 Rainshower System 210
Grohe 27032 Rainshower System 210 bar mixer shower
Grohe 27032001 Rainshower System 210 bar mixer shower
Grohe 34026 Tenso thermostatic bath/shower mixer

Mixer Showers
Grohe 19666 Sentosa Bath Shower valve trimset
Grohe 19446 Allure trim set – dual outlet – chrome
Grohe 27017 Aquatower 2000
Grohe 27026 Aquatower 3000
Grohe 27203 Aquatower 3000 shower spares
Grohe 19399 Atrio shower with 2 outlets
Grohe 19417 Auto 2000 special Grotherm 2 way diverter
Grohe 19985 Grohtherm 1000 shower mixer with integrated 2 way diverter – chrome
Grohe 19355 Grohtherm 2000
Grohe 19964 Grohtherm 2000 NEW Trim with diverter
Grohe 19468 Grohtherm 3000 Cosmopolitan 19468 bath shower trim set
Grohe 19567 Grohtherm 3000 Cosmopolitan trim set – with 2 way diverter
Grohe 19242 Grohtherm Auto 2000
Grohe 19665 Grohtherm Auto 3000
Grohe 19358 Grohtherm Auto 3000
Grohe 19253 Grohtherm Auto 3000
Grohe 19958 Grohtherm Cube trim set – 2 way diverter
Grohe 34212 mixer valve
Grohe 34968 mixer valve
Grohe 35500 Rapido T universal thermostatic mixer valve
Grohe 19403 Tenso shower valve 2 outlets