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

Grohe 34647 Auto 2000 Special bar mixer shower
Grohe 34646 Grohtherm Auto 1000 bar mixer shower
Grohe 34624 Grohtherm Auto 1000 bar mixer shower
Grohe 34336 Grohtherm Auto 1000 bar mixer shower
Grohe 34334 Grohtherm Auto 1000 bar mixer shower
Grohe 34650 Grohtherm Auto 2000 bar mixer shower
Grohe 34367 Grohtherm Auto 3000 bar mixer shower
Grohe 34479 Grohtherm Auto 3000 bar mixer shower
Grohe 34357 Grotherm Auto 2000 – 34357 bath/shower mixer

Grohe 19666 Sentosa Bath Shower valve trimset
Grohe 19667 Sentosa shower – chrome
Grohe 34612 Chiara thermostatic shower valve
Grohe 19682 Europlus mixer shower with flow control
Grohe 34328 Grohtherm Auto 1000
Grohe 19605 Grohtherm Auto 2000 – 19605 000
Grohe 34310 Grohtherm Auto 2000 – 34310 000
Grohe 19663 Grohtherm Auto 3000
Grohe 19665 Grohtherm Auto 3000
Grohe 34954 mixer valve
Grohe 34966 mixer valve
Grohe 34968 mixer valve
Grohe 19658 Taron mixer shower
Grohe 19066 Tenso Thermostatic Shower Valve