Hitachi WUP0038 Engine Water Pump

Hitachi Engine Water Pump WUP0038

Hitachi WUP0038 is an OE-style engine water pump for select Nissan and INFINITI applications. Built for direct replacement use, it supports proper coolant circulation in vehicles such as the Nissan 350Z, Nissan Murano, INFINITI G35, and INFINITI FX35.

Key Features

• Manufacturer: Hitachi
• Part number: WUP0038
• Category: Engine Water Pump
• OE application coverage for select Nissan and INFINITI models
• Cross-reference part numbers include 21010-AL500 and 21010-AL525

Detailed Description

This Hitachi engine water pump is built for vehicles originally equipped with OE-style cooling system components. It is listed for 2002-2004 INFINITI I35, 2002-2003 Nissan Maxima, 2002-2003 Nissan Altima, 2003-2006 INFINITI G35, 2003-2006 INFINITI FX35, 2003-2006 Nissan Murano, and 2003-2007 Nissan 350Z, with additional coverage for 2006 INFINITI M35 and 2007 INFINITI G35, FX35, M35, and Nissan Murano through 03/2007. If you are searching for a Nissan 350Z water pump or an INFINITI G35 engine water pump, WUP0038 is a direct-fit option for the listed applications.

What It Is Used For

• Restoring coolant circulation in a worn or leaking cooling system
• Addressing overheating caused by pump bearing or seal wear
• Replacing a noisy water pump on select Nissan and INFINITI engines
• Correcting coolant loss from pump housing or shaft seal failure
• Returning factory-style cooling performance on listed vehicles

Installation Notes and Tips

Verify engine and build-date fitment before ordering, especially for 2007 INFINITI and Nissan models with coverage limited to 03/2007 or 12/2002 as noted. Compare the existing pump to the OE reference numbers before installation. For best results, inspect the thermostat, drive belt, coolant condition, and related cooling components during replacement.

Quality Assurance

Hitachi supplies OE-level replacement components for automotive cooling system service. This part cross-references 21010-AL500 and 21010-AL525 for the same application.