Hanchi Auto Parts
21010-Z5666 Water Pump Suitable for Nissan FE6 BIG FLANGE FE6T High Quality
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If your parts book shows 21010-Z5666, you need a water pump for FE6 BIG FLANGE, FE6T, BUS and other listed engines. Ours is a matching replacement — same mounting holes, same belt pulley height, pressure-tested before packing. Related OE numbers include 21010-Z5129, 21010-Z5326, 21010-Z5328, 21010-Z5525, 21010-Z5611 and 3 more.
Which engines use the 21010-Z5666 water pump?
The OE application list reads: FE6 BIG FLANGE; FE6T; BUS.
Match your engine model to the list and the pump will fit without rework.
What part numbers interchange with 21010-Z5666?
Dealers and fleet systems quote this pump under more than one OE number:
- 21010-Z5129
- 21010-Z5326
- 21010-Z5328
- 21010-Z5525
- 21010-Z5611
- 21010-Z5661
- 21010-Z5663
- 21010-Z5707
What are the specifications of 21010-Z5666?
| Parameter | Value |
| OE number | 21010-Z5666 |
| Fits brand | Nissan |
| TO Shaft head height | 145 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | 2-M8X1.25 |
| Flange thread | M8X1.25 |
| TO Flange height | 131.4 |
| Flange jumping | 0.07 |
| TO Impeller height Ⅰ | 0.6 |
| 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 | N104-WD-1 |
| Net weight | 6.60 kg |
| Packing | 2 pcs/ctn, 15.20 kg gross |
Packing and quality checks
Each pump is packed individually; a master carton holds 2 pieces at 15.20 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-Z5666 fit?
21010-Z5666 fits FE6 BIG FLANGE, FE6T, BUS and other listed engines. It is a Nissan application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 21010-Z5666?
21010-Z5666 interchanges with 21010-Z5129, 21010-Z5326, 21010-Z5328, 21010-Z5525, 21010-Z5611, 21010-Z5661 and 2 more. All of these refer to the same water pump assembly.
Is 21010-Z5666 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-Z5666 water pump weigh?
One pump weighs 6.60 kg net. A full carton of 2 pieces comes to 15.20 kg gross.
How do I confirm 21010-Z5666 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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