Hanchi Auto Parts
21010-78200 Water Pump Suitable for Nissan H20 High Quality
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21010-78200 belongs to the Nissan cooling system parts family. The pump sits on H20 engines. Our aftermarket equivalent follows the OE dimensions and passes air-tightness testing under a negative pressure of 0.1 MPa. It also replaces 21010-66028, 21010-78202, 21010-78203, 21010-78225, 21010-78226 and 4 more.
Which engines use the 21010-78200 water pump?
This pump was designed for H20.
Any engine on this list takes our replacement as a straight swap.
What are the specifications of 21010-78200?
| Parameter | Value |
| OE number | 21010-78200 |
| Fits brand | Nissan |
| TO Shaft head height | 125.52 |
| Mounting hole position | Aligned to OE mounting points |
| Flange thread | M6X1 |
| TO Flange height | 118.81 |
| Flange jumping | 0.07 |
| TO Impeller height Ⅰ | 1.92 |
| 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 | N125-WD-1 |
| Net weight of one | 1.60 |
| Net weight | 1.60 kg |
| Packing | 8 pcs/ctn, 15.00 kg gross |
What part numbers interchange with 21010-78200?
Parts books from different markets list this pump under several numbers. All of them point to the same unit:
- 21010-66028
- 21010-78202
- 21010-78203
- 21010-78225
- 21010-78226
- 21010-J5025
- 21010-J5125
- 21010-L1100
- 21010-V4425
Packing and quality checks
Packing runs 8 pumps per carton, 15.00 kg gross weight, carton size 40.8 x 36 x 38.5 cm.
Before boxing, each pump passes a negative-pressure leak check and a hand-rotation check for smooth, noise-free bearing movement.
Frequently asked questions
What vehicles or engines does 21010-78200 fit?
21010-78200 fits H20 engines. It is a Nissan application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 21010-78200?
21010-78200 interchanges with 21010-66028, 21010-78202, 21010-78203, 21010-78225, 21010-78226, 21010-J5025 and 3 more. All of these refer to the same water pump assembly.
Is 21010-78200 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 21010-78200 water pump weigh?
One pump weighs 1.60 kg net. A full carton of 8 pieces comes to 15.00 kg gross.
How do I confirm 21010-78200 is the pump I need?
Check the OE number stamped on your old pump or in the parts book, then compare engine model and pulley height with the spec table on this page. If anything is unclear, send us a photo of the old unit.
Send us the OE number and your engine model — we confirm fitment before you order.
Send the OE number, your quantity and your destination port — feel free to Contact Us. We reply with fitment confirmation and a quote.
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