Product overview
New aftermarket 4525VQ42A17 11CC20 — a 4525VQ double vane pump: two cartridge sections on one shaft, one inlet and two independent outlets, so two circuits can run at different pressures and flows. The model number is decoded item by item below.
Model code — 4525VQ42A17 11CC20
The model code fixes every mechanical interface of the pump. This unit reads as follows, using the position numbers of the model-code system:
| Position | Value | Meaning |
|---|---|---|
| 1 Seals | — | omitted — standard seals |
| 2 Series | 4525VQ | double pump: 45V shaft-end with 25V cover-end (first pair = shaft-end size, second pair = cover-end size) |
| 3 Pilot | — | omitted — standard pilot |
| 4 Shaft-end displacement | 42 | 42 = 138.7 cm³/r |
| 5 Port | A | SAE 4-bolt flange, inlet and both outlets |
| 6 Cover-end displacement | 17 | 17 = 55.2 cm³/r |
| 7 Mounting / shaft seal | — | omitted — flange mounting with single shaft seal |
| 8 Shaft | 11 | spline shaft |
| 9 Port orientation | CC | viewed from the cover end — outlet 1 in line with the inlet; outlet 2 in line with the inlet |
| 10 Design | 20 | design number of this series |
| 11 Rotation | — | right-hand (clockwise) |
Ordering
Send us the complete model number from your nameplate and we will confirm this pump matches before you order. Port flange kits are ordered separately.
Other models in this series
More VQ Double Vane Pumps models we stock (4525VQ frame first):
- 4525VQ42A17 11AA20
- 4525VQ
- 4525VQ42A21 11AA20
- 4525VQ50A12 1DD20
- 4525VQ50A14 11AA20
- 4525VQ42A21 11CC20
Series overview
Series page: VQ Double Vane Pumps. Parent range: V / VQ Double Vane Pumps · Family: V · VQ · 50V Series.
Cartridges and kits for this pump: V / VQ Cartridge Kits — the cartridge is interchangeable within the same position in the housing, so the original housing and shaft stay on the machine.
Not sure about the fit? Contact us with the full nameplate code and we will confirm before you order.





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