Recommended spare parts for preventice service after 36 months of measurement ce

Recommended spare parts for preventice service after 36 months of measurement cell months operation (crude oil mesurements)
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-S012 pressure sensor
2x EV01-S013 Solenoid valve (inlet / outlet) with perlast o-rings
1x EP01-S016 Piston motor
1x EV01-S022 Piston spindle
1x EV01-S023 Sliding block of piston drive (MV300)
1x EV01-S032 Measuring cell
1x EV01-S033 Valve block
1x EP01-S077 Ball bearing for piston spindle