Gates 42335 Engine Water Pump

Gates 42335 Water Pump for Infiniti Q45

The Gates 42335 engine water pump is a standard replacement for select Infiniti Q45 applications. Built with a cast aluminum housing and stamped steel impeller, it is engineered for dependable coolant circulation and OE-quality fitment on 1993-1997 Infiniti Q45 models.

Key Features

• Cast aluminum housing for durable cooling system service
• Stamped steel impeller with standard rotation
• Accessory belt drive style
• Includes water pump, gasket, and 4 double-end studs
• No back housing, thermostat housing, fan clutch, or pulley included
• 100% functional testing of seals and bearings
• 100% leakage testing of the casting and assembled pump

Product Details

Gates Water Pump (Standard) line components are built for direct-fit replacement and consistent cooling performance. Part number 42335 is manufactured with premium alloy materials and tested for seal, bearing, and leakage integrity before release. This water pump is compatible with 1994-1997 Infiniti Q45 and with 1993 Infiniti Q45, Feb. 1993 & newer. This part cross-references Airtex AW9304 for the same application.

Common Cooling System Issues

• Coolant leaks from a worn pump housing or seal
• Overheating caused by reduced coolant circulation
• Noise from failing pump bearings
• Impeller wear that limits coolant flow
• Service replacement for a leaking or noisy Infiniti Q45 water pump

Installation Notes

Verify engine application before installation, especially on 1993 Infiniti Q45 models built Feb. 1993 and newer. Replace the gasket during service and confirm proper belt alignment with the accessory drive system. Inspect hoses, thermostat, and related cooling components while the pump is removed to help complete the repair correctly.

Quality Assurance

Gates manufactures this water pump with OE-quality fitment standards and performs functional and leakage testing on each unit. The Gates 42335 is built for dependable operation in select Infiniti Q45 cooling system repairs.