OEM RB25/RB26 Water Pump
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  1. OEM Parts
  2. Cooling System
  3. Water Pump, Fan & Thermostat
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OEM RB25/RB26 Water Pump - View 2
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OEM RB25/RB26 Water Pump
OEM RB25/RB26 Water Pump
OEM RB25/RB26 Water Pump - View 2

Product Description

OEM Water Pump fits RB25 and RB26 engines. This water pump is an ideal replacement for worn out water pumps on stock to lightly modified RB's. Z1 also offers the N1 Water Pump as an upgraded component.

Note: This water pump will not fit the RB25 NEO motor.

Fits:

  • RB25DET
  • RB26DETT

OEM RB25/RB26 Water Pump

Brand: Nissan
Part #: 21010-21U26
Fits models: R32 / R33 / R34 / S13 / S14...
OEM RB25/RB26 Water Pump
OEM RB25/RB26 Water Pump - View 2
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Item Quantity
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$386.86

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OEM RB25/RB26 Water Pump
$386.86
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What our customers say

starstarstarstarstar
December 13, 2025
Good product, as described
starstarstarstarstar
February 26, 2023
perfect replacement - had my mechanic install on my 89 GTR
starstarstarstarstar
June 13, 2021
Installed on my rb25det damn good oem Nissan part, no leaks no issues if installed correctly
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April 22, 2021
Weird but this waterpump leaked at the bolt by the slot.