Hitachi WUP0033 Engine Water Pump

Hitachi WUP0033 Engine Water Pump

Restore proper coolant circulation with the Hitachi WUP0033 engine water pump. This OE-style replacement is built for Nissan applications that require accurate fitment and dependable cooling system performance, including 1989-1998 Nissan 240SX, 1990-1994 Nissan D21, and select 1995-1996 Nissan Pickup models.

Hitachi WUP0033 is a direct-fit engine water pump for Nissan cooling system service, and it includes a gasket for installation. It cross-references Nissan OE part numbers 21010-40F01 and 21010-40F25 for the same application.

Key Features

• Engine water pump for Nissan cooling system repair
• Includes gasket
• Actual OE grade construction
• Fits 1989-1998 Nissan 240SX applications
• Fits 1990-1994 Nissan D21 applications
• Fits 1995-1996 Nissan Pickup applications, including vehicles built to 01/1996
• Hitachi part number WUP0033

Detailed Description

The Hitachi WUP0033 water pump is specified for Nissan vehicles that need reliable coolant flow through the engine block and radiator circuit. It is listed as Actual OE grade and is engineered for the 240SX, D21, and Pickup platforms covered by the fitment data. If you are servicing a Nissan 240SX water pump, Nissan D21 water pump, or Nissan Pickup cooling system, this part number provides a direct replacement path with the correct application coverage.

Use WUP0033 when replacing a worn or leaking pump on 1989-1998 Nissan 240SX models, 1990-1994 Nissan D21 models, and 1995-1996 Nissan Pickup models. The part number WUP0033 is also useful when searching by OE cross-reference for Nissan cooling system maintenance.

What It Helps Address

• Coolant leaks from a worn pump housing or seal
• Overheating caused by reduced coolant circulation
• Noisy pump operation from bearing wear
• Cooling system service on Nissan 240SX, D21, and Pickup models
• Replacement of an OE-style water pump during engine maintenance

Installation Notes and Tips

Confirm engine application and model year before installation, especially on 1995-1996 Nissan Pickup vehicles where fitment notes specify coverage to 01/1996. Clean the mounting surface thoroughly, inspect the cooling system for contamination or gasket residue, and follow the vehicle service manual for torque sequence and coolant refill procedures. Replace the gasket supplied with the pump during installation.

Quality Assurance

Hitachi supplies this water pump as an Actual OE grade replacement for the listed Nissan applications. The part is identified by Hitachi WUP0033 and is supported by OE cross-reference numbers for application matching.