RB25 and RB26 Water Pump
It is strongly recommended to replace the waterl pump when doing an engine rebuild. These Motors are imported from Japan and have been sitting for years, resulting in dried up seals. This would be considered "cheap insurance".
If you are looking to Upgrade over this, check out the N1 Water Pump
GENUINE JDM NISSAN WATER PUMP | RB25DET AND RB26DETT | 21010-21U26
SKU: 21010-21U26
$99.99 Regular Price
$74.90Sale Price