The A10V100 Bias Spring.  Suits the original Rexroth* Piston Pumps as well as in equivalent units.  Spare parts for the A10V100 are on page 9 in the Tidal Fluid Power Piston pumps and motor parts catalogue.   It is available as a stand alone spare part in our Brisbane Warehouse.

*All original manufacturers names, numbers and descriptions are for reference purposes only.