Hanchi Auto Parts
15521-73030 Water Pump Suitable for Kubota Carrier V2203E High Quality
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15521-73030 is a Kubota water pump OE number. Our replacement matches the same mounting and cooling specs, fits Carrier, V2203E, V1702 and other listed engines, and ships with a 1.20 kg net weight (6 pcs per carton). Cross numbers: 15521-73030-18, 15521-73033, 15521-73034, 15521-73035, 15521-73039 and 7 more.
Which engines use the 15521-73030 water pump?
The OE application list reads: Carrier; V2203E; V1702; V1903; D1302; D1402; D1403; D1703; BOBCAT 753/763/773.
When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.
What are the specifications of 15521-73030?
| Parameter | Value |
| OE number | 15521-73030 |
| Fits brand | Kubota |
| TO Impeller height Ⅱ | 21.8 |
| TO Shaft head height | 84.8 |
| Mounting hole position | Aligned to OE mounting points |
| Flange thread | M6X1 |
| TO Flange height | 82.1 |
| Flange jumping | 0.07 |
| Installation of water pipes | Water pipe fitted complete, no deformation |
| Air tightness testing | No leakage detected under negative pressure of 0.1 MPa |
| Appearance Ⅰ | Neutral finish, no third-party logos |
| Appearance Ⅱ | Clean surface: no dirt, rust or paint peeling |
| Assembly rotation | Turns freely by hand, no sticking or noise |
| Included Component 1 | KU106-WD-1 |
| Net weight | 1.20 kg |
| Packing | 6 pcs/ctn, 9.20 kg gross |
What part numbers interchange with 15521-73030?
Parts books from different markets list this pump under several numbers. All of them point to the same unit:
- 15521-73030-18
- 15521-73033
- 15521-73034
- 15521-73035
- 15521-73039
- 15521-73040
- 25-37581-10
- 6653941
- 6684225
- 7509-10103
- A-503180
- A6653941
Packing and quality checks
For shipping estimates, count on 6 pumps per carton (9.20 kg, 56 x 34 x 31 cm).
We leak-test each unit at a negative pressure of 0.1 MPa, then spin it by hand to confirm free rotation.
Frequently asked questions
What vehicles or engines does 15521-73030 fit?
15521-73030 fits Carrier, V2203E, V1702 and other listed engines. It is a Kubota application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 15521-73030?
15521-73030 interchanges with 15521-73030-18, 15521-73033, 15521-73034, 15521-73035, 15521-73039, 15521-73040 and 6 more. All of these refer to the same water pump assembly.
Is 15521-73030 available from stock?
Yes, this number is in regular production. Lead time for carton quantities is usually a few days; ask us for current stock before ordering.
How much does the 15521-73030 water pump weigh?
One pump weighs 1.20 kg net. A full carton of 6 pieces comes to 9.20 kg gross.
Stock moves fast on this number. Send your inquiry with quantity and destination port for a firm quote.
Send the OE number, your quantity and your destination port — feel free to Contact Us. We reply with fitment confirmation and a quote.


OEM Avalible
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