Hitachi Astemo Engine Water Pump P/N:WUP0033
Keep coolant moving and engine temperatures in check with the Hitachi Astemo Engine Water Pump WUP0033. It drops in as a direct-fit replacement for the 1989-1998 Nissan 240SX, the 1990-1994 Nissan D21, and the 1995-1996 Nissan Pickup, restoring proper coolant flow to the listed applications.
- Core job: Belt-driven pump that circulates engine coolant between the block, cylinder head, and radiator to carry heat away and hold operating temperature.
- Direct replacement: Serves as a replacement water pump for the listed Nissan applications.
- Signs it may need replacing: Coolant seepage or drips from the pump area, a whine or growl from a worn shaft bearing, or engine overheating — if a failed water pump is the cause, this replaces it.
- Service tip: Inspect and replace the drive belt, hoses, and coolant as directed by the service procedure when installing a new pump.
Interchange: 21010-40F01 · 2101040F01 · 21010-40F25 · 2101040F25 · 21010-40F26 · 2101040F26 · 21010-40F27 · 2101040F27 · B1010-40F27 · B101040F27
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this water pump do?
It is a belt-driven pump that circulates engine coolant between the block, cylinder head, and radiator to carry heat away and help hold operating temperature.
Will it fit my vehicle?
It is a direct-fit replacement for the 1989-1998 Nissan 240SX, 1990-1994 Nissan D21, and 1995-1996 Nissan Pickup. Check the Buyer's Guide tab to confirm your vehicle.
What numbers does this pump interchange with?
It interchanges with 21010-40F01, 21010-40F25, 21010-40F26, 21010-40F27, and B1010-40F27.
What are signs my water pump may be failing?
Coolant seepage from the pump area, a whine or growl from a worn shaft bearing, or engine overheating. Diagnose the cause first, since these signs can have other sources.
Should I replace anything else during installation?
Inspect and replace the drive belt, hoses, and coolant as directed by the vehicle service procedure when installing the new pump.
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