Hanchi Auto Parts
1A021-73030 Water Pump Suitable for Kubota V1302DI D1803 L39 L2500 High Quality
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1A021-73030 is a Kubota water pump OE number. Our replacement matches the same mounting and cooling specs, fits V1302DI D1803 L39, L2500, L3000 and other listed engines, and ships with a 1.25 kg net weight (6 pcs per carton). Cross numbers: 16412-73030, 16412-73033, 17331-73030, 1A021-73033, 1A021-73035 and 2 more.
Which engines use the 1A021-73030 water pump?
The OE application list reads: V1302DI D1803 L39; L2500; L3000; L3400; M4800SU; M5700; TRACTOR; L3408,L3608,L4508,L4708; V2203/V2403-8/2.
Any engine on this list takes our replacement as a straight swap.
What part numbers interchange with 1A021-73030?
Dealers and fleet systems quote this pump under more than one OE number:
- 16412-73030
- 16412-73033
- 17331-73030
- 1A021-73033
- 1A021-73035
- E5800-73035
- E5800-73037
What are the specifications of 1A021-73030?
| Parameter | Value |
| OE number | 1A021-73030 |
| Fits brand | Kubota |
| TO Impeller height Ⅱ | 20.8 |
| TO Shaft head height | 85.9 |
| Mounting hole position | Aligned to OE mounting points |
| Flange thread | M6X1 |
| TO Flange height | 83 |
| Flange jumping | 0.07 |
| 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 | KU109-WD-1 |
| Net weight of one | 1.25 |
| Net weight | 1.25 kg |
| Packing | 6 pcs/ctn, 9.50 kg gross |
Packing and quality checks
Logistics data: 6 pcs/ctn, 9.50 kg gross, 56 x 38 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 1A021-73030 fit?
1A021-73030 fits V1302DI D1803 L39, L2500, L3000 and other listed engines. It is a Kubota application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 1A021-73030?
1A021-73030 interchanges with 16412-73030, 16412-73033, 17331-73030, 1A021-73033, 1A021-73035, E5800-73035 and 1 more. All of these refer to the same water pump assembly.
Is 1A021-73030 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 1A021-73030 water pump weigh?
One pump weighs 1.25 kg net. A full carton of 6 pieces comes to 9.50 kg gross.
Not sure this is your pump? Send a photo of the old unit and the engine tag; we will match it.
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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