The A4VG90 spare parts are supplied for the repair, maintenance and overhaul of Rexroth A4VG90 hydraulic pumps. Our aftermarket product range covers cylinder block (barrel), piston shoe (piston slipper), valve plate (port plate), retainer plate (retaining plate), ball guide (retaining ball), swash plate (cradle), drive shaft, cradle bearings, charge pump, rotary group, seal kits and other replacement components.
Manufactured with stable quality and reliable dimensional accuracy, these spare parts are suitable for hydraulic repair workshops, equipment service providers, distributors and industrial maintenance applications.
A4VG90 Exploded Diagram
| No. | A4VG90 Spare Parts | Reference / Function |
|---|---|---|
| 1 | A4VG90 Cylinder Block (Barrel) | R902252004 |
| 2 | A4VG90 Valve Plate (Port Plate) | R902195224, R902167368 |
| 3 | A4VG90 Piston Shoe (Piston Slipper) | R909414515 |
| 4 | A4VG90 Retainer Plate (Retaining Plate) | R909921729, R902205455 |
| 5 | A4VG90 Swash Plate (Cradle) | R909922255 |
| 6 | A4VG90 Ball Guide (Retaining Ball) | R909921730 |
| 7 | A4VG90 Disk Spring (Shim) | R909432984, R909432985, R909432986 |
| 8 | A4VG90 Cup-Spring Stack | R909921728 |
| 9 | A4VG90 Cradle Bearing Seat (Bearing Liner) | R902066593 |
| 10 | A4VG90 Cradle Bearing (Saddle Bearing) | R909830165 |
| 11 | A4VG90 Wire | R909417959 |
| 12 | A4VG90 Washer | R909449885 |
| 13 | A4VG90 Pressure Spring | R909435649 |
| 14 | A4VG90 Retaining Ring | R909084556 |
| 15 | A4VG90 Drive Shaft | R909921549, R909921550 |
| 16 | A4VG90 Charge Pump | R909606811, R909606802, R909606810, R902077762 |
| * | A4VG90 Rotary Group (Rotation Assembly) | R902079223 |
Small Frame：
• A4VG28 Spare Parts
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• A4VG90 Spare Parts
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