InMotion WU9338 Engine Water Pump

Engine Cooling Replacement for Nissan and INFINITI

The InMotion WU9338 engine water pump is built for direct-fit cooling system service on select Nissan and INFINITI applications. It uses a precision-machined impeller to promote steady coolant circulation, while durable bearings, seals, and a corrosion-resistant housing support reliable operation.

Compatible With 2001-2004 Nissan Frontier, 2001-2004 Nissan Xterra, 1997-1998 INFINITI QX4, and 1996-1998 Nissan Pathfinder.

Key Features

• Precision-machined impeller for consistent coolant flow
• High-quality bearings and seals for smooth, leak-resistant operation
• Corrosion-resistant housing for long-term durability
• OEM-style fit for straightforward replacement service
• Part number WU9338 for accurate ordering and lookup

Detailed Description

InMotion WU9338 is an engine water pump for cooling system repair on select Nissan Frontier, Nissan Xterra, INFINITI QX4, and Nissan Pathfinder models. It is engineered to move coolant efficiently through the engine, helping maintain stable operating temperatures and supporting dependable daily driving. The OEM-fit design helps simplify installation and alignment during replacement service. This part number, WU9338, is a direct reference for buyers searching for a Nissan Pathfinder water pump, Nissan Frontier water pump, or INFINITI QX4 cooling system replacement.

Common Problems It Can Address

• Coolant circulation loss from a worn pump
• Engine overheating caused by reduced coolant flow
• Coolant leaks from aging seals or housing wear
• Noise from failing pump bearings
• Cooling system service on high-mileage Nissan and INFINITI vehicles

Installation Notes and Tips

Verify engine application by year, make, and model before installation. Inspect the cooling system, belts, hoses, and thermostat during replacement, and flush contaminated coolant before installing the new pump. Follow the vehicle service manual for torque specifications and coolant fill procedures.

Quality Assurance

InMotion builds this water pump with durable internal components and a corrosion-resistant housing to support dependable cooling performance in demanding conditions. Part number WU9338 is intended for direct replacement service on the listed applications.