Hanchi Auto Parts
21010-37501 Water Pump Suitable for Nissan GWN-53A High Quality
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21010-37501 belongs to the Nissan;Case cooling system parts family. The pump sits on NissanSD25 and GWN-53A engines. Our aftermarket equivalent follows the OE dimensions and passes air-tightness testing under a negative pressure of 0.1 MPa. It also replaces 1058287C91, 21010-37504, 21010-37526, 21010-37726, 21010-61504 and 8 more.
Which engines use the 21010-37501 water pump?
Fitment covers NissanSD25; GWN-53A.
If your engine tag matches any entry above, this pump is the right replacement.
What are the specifications of 21010-37501?
| Parameter | Value |
| OE number | 21010-37501 |
| Fits brand | Nissan;Case |
| TO Shaft head height | 128 |
| Mounting hole position | Aligned to OE mounting points |
| Flange thread | 4-M6X1 |
| TO Flange height | 127.7 |
| Flange jumping | 0.07 |
| TO Impeller height Ⅰ | 1 |
| 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 | CC102-WD-1 |
| Net weight of one | 3.52 |
| Net weight | 3.52 kg |
| Packing | 4 pcs/ctn, 16.08 kg gross |
What part numbers interchange with 21010-37501?
One pump, many part numbers. The full cross list:
- 1058287C91
- 21010-37504
- 21010-37526
- 21010-37726
- 21010-61504
- 21010-61505
- 21010-61526
- 21010-61526/7/8
- 21010-61527
- 21010-61528
- 21010-61528/9
- 21010-61585
- 21010-61594
Packing and quality checks
Each pump is packed individually; a master carton holds 4 pieces at 16.08 kg gross.
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 21010-37501 fit?
21010-37501 fits NissanSD25 and GWN-53A engines. It is a Nissan;Case application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 21010-37501?
21010-37501 interchanges with 1058287C91, 21010-37504, 21010-37526, 21010-37726, 21010-61504, 21010-61505 and 7 more. All of these refer to the same water pump assembly.
Is 21010-37501 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 21010-37501 water pump weigh?
One pump weighs 3.52 kg net. A full carton of 4 pieces comes to 16.08 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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