Recommended spare parts for preventice service after 12 months of measurement ce

Recommended spare parts for preventice service after 12 months of measurement cell operation (gasoline measurement)
1x EV01-S003 Kalrez O-ring for pressure sensor (Kalrez 12.42x1.78)
2x EP01-S035 Perlast O-ring for compression fittings (Perlast 3x1.2)
1x EV01-S004 O-ring small for measuring cell cover (Viton 6x1.5)
1x EV01-S005 O-ring big for measuring cell cover (Viton 13x1.3)
1x EV01-S023 Sliding block of piston drive (MV300)
1x EP01-S077 Ball bearing for piston spindle