New Aftermarket 4525VQ42A21 11AA20 Double Vane Pump

Product overview

New aftermarket 4525VQ42A21 11AA20 — 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 — 4525VQ42A21 11AA20

Series	4525VQ double pump (two cartridge sections on one shaft)
Shaft-end section	42 = 138.7 cm³/r (8.46 in³/r)
Cover-end section	21 = 67.5 cm³/r (4.12 in³/r)
Port connections	SAE 4-bolt flange on inlet and both outlets
Mounting / shaft seal	flange mounting with single shaft seal
Shaft	11 = spline
Port orientation	outlet 1 opposite the inlet; outlet 2 135° counter-clockwise from the inlet
Design number	20
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):

• 4525VQ42A21 11CC20
• 4525VQ
• 4525VQ42A17 11AA20
• 4525VQ50A12 1DD20
• 4525VQ50A14 11AA20
• 4525VQ42A17 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.