InMotion WU3404 Engine Water Pump

Engine Water Pump for Jeep Cooling Systems

The InMotion WU3404 engine water pump is built for Jeep cooling system service where consistent coolant circulation matters. It is a direct-fit replacement for select 1981-1986 Jeep applications, including Cherokee, CJ5, CJ7, Comanche, Grand Wagoneer, J10, Wagoneer, and Scrambler models.

With a precision-machined impeller, sealed bearings, and a corrosion-resistant housing, this water pump is engineered for smooth operation and dependable coolant flow. The WU3404 is a practical choice for restoring cooling performance on reverse-rotation Jeep applications and cast iron housing applications listed below.

Key Features

• Precision-machined impeller for steady coolant movement
• High-quality bearings and seals for smooth, leak-resistant operation
• Corrosion-resistant housing for long-term durability
• OEM-style fit for straightforward replacement
• Designed for select reverse-rotation Jeep cooling systems
• Part number: WU3404

Detailed Description

InMotion WU3404 is an engine water pump for Jeep vehicles that need reliable coolant circulation and a correct-fit replacement. It is designed for 1981-1986 Jeep CJ7, 1981-1986 Jeep J10, 1981-1986 Jeep Wagoneer, 1981-1985 Jeep Scrambler, 1981-1983 Jeep Cherokee, 1981-1983 Jeep CJ5, 1984-1986 Jeep Cherokee with cast iron housing, 1984-1986 Jeep Grand Wagoneer, and 1986 Jeep Comanche, all in the listed reverse-rotation applications where noted. The WU3404 supports cooling-system restoration by helping maintain proper coolant flow through the engine.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Overheating caused by weak coolant circulation
• Coolant leaks from worn pump seals
• Noise or rough operation from failing bearings
• Reduced cooling performance in aging Jeep engines
• Replacement needs for reverse-rotation water pump service

Installation Notes and Tips

Verify engine rotation, housing style, and vehicle application before installation. The WU3404 is listed for reverse-rotation Jeep applications and one cast iron housing application, so matching the original pump configuration is important for correct operation. Inspect the cooling system, belts, hoses, and thermostat during service to help confirm the source of any overheating concern.

Quality Assurance

InMotion builds this water pump with a machined impeller, durable bearings and seals, and a corrosion-resistant housing to support dependable cooling-system service. Part number WU3404 is intended as an OEM-fit replacement for the listed Jeep applications.