Product overview
New aftermarket 4520V42A5 1AA 22R — a 4520V 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 — 4520V42A5 1AA 22R
| Series | 4520V double pump (two cartridge sections on one shaft) |
| Shaft-end section | 42 = 138 cm³/r (8.4 in³/r) |
| Cover-end section | 5 = 18 cm³/r (1.1 in³/r) |
| Port connections | SAE 4-bolt flange on inlet and both outlets |
| Mounting / shaft seal | flange mounting with single shaft seal |
| Shaft | 1 = straight key |
| Port orientation | outlet 1 opposite the inlet; outlet 2 135° counter-clockwise from the inlet |
| Design number | 22 |
| 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 V Double Vane Pumps models we stock (4520V frame first):
- 4520V42A11 1BB22R
- 4520V42A12 86BA22R
- 4520V42A14 1AA22R
- 4520V42A11 1CC22R
- 4520V42A14 1AC22R
- 4520V42A12 86CC22R
Series overview
Series page: V 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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