HomeBelts and Cooling > Water Pump and Related ComponentsInMotion WU3401 Engine Water Pump
Part #: WU3401

InMotion WU3401 Engine Water Pump

68 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Jeep, Cherokee, CJ5, CJ7, Grand Wagoneer, J10, J20, and Wagoneer
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Engine Cooling for Jeep V8 Applications

The InMotion WU3401 engine water pump is built for Jeep cooling-system service where consistent coolant circulation matters. It is engineered for a direct OEM-style fit and is suited for classic Jeep Grand Wagoneer, J10, J20, Cherokee, Wagoneer, CJ5, and CJ7 applications across the listed years.

  • Precision-machined impeller for steady coolant flow
  • High-quality bearings and seals for smooth operation
  • Corrosion-resistant housing for long-term durability
  • OEM-style fit for straightforward replacement service
  • Designed for Jeep cooling-system repair on vintage truck and SUV platforms

Detailed Product Overview

Part number WU3401 is an engine water pump intended to restore proper coolant circulation in compatible Jeep vehicles. By moving coolant through the engine and radiator circuit efficiently, it helps maintain operating temperature and supports reliable performance in demanding driving conditions. This water pump is a practical replacement for Jeep Grand Wagoneer, J10, J20, Cherokee, Wagoneer, CJ5, and CJ7 models within the listed fitment range. WU3401 is a direct-fit cooling component for owners servicing older Jeep engines that need dependable water pump replacement.

This part cross-references common OE-style replacement applications for the same vehicle platforms.

What It Helps Address

  • Overheating caused by reduced coolant circulation
  • Coolant leaks from worn pump seals
  • Noise or rough operation from failing bearings
  • Corrosion-related pump housing deterioration
  • Poor engine temperature control in aging Jeep cooling systems

Installation Notes

Verify gasket surfaces, pulley alignment, and belt condition before installation. Flush the cooling system if contamination or scale is present, and inspect hoses, thermostat, and radiator condition at the same time. Confirm fitment by year, make, and model before ordering; WU3401 is listed for 1973-1991 Jeep applications shown in the fitment data.

Quality Assurance

InMotion builds this water pump with durable bearings, seals, and a corrosion-resistant housing to support long service life and leak-resistant operation. The WU3401 is engineered for OEM-style fitment on the listed Jeep applications.

This part fits 68 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1991JeepGrand Wagoneer5.9LV8N/A
1990JeepGrand Wagoneer5.9LV8N/A
1989JeepGrand Wagoneer5.9LV8N/A
1988JeepGrand Wagoneer5.9LV8N/A
1988JeepJ105.9LV8N/A
1988JeepJ205.9LV8N/A
1987JeepGrand Wagoneer5.9LV8N/A
1987JeepJ105.9LV8N/A
1987JeepJ205.9LV8N/A
1986JeepGrand Wagoneer5.9LV8N/A
1986JeepJ105.9LV8N/A
1986JeepJ205.9LV8N/A
1985JeepGrand Wagoneer5.9LV8N/A
1985JeepJ105.9LV8N/A
1985JeepJ205.9LV8N/A
1984JeepGrand Wagoneer5.9LV8N/A
1984JeepJ105.9LV8N/A
1984JeepJ205.9LV8N/A
1983JeepCherokee5.9LV8N/A
1983JeepJ105.9LV8N/A
1983JeepJ205.9LV8N/A
1983JeepWagoneer5.9LV8N/A
1982JeepCherokee5.9LV8N/A
1982JeepJ105.9LV8N/A
1982JeepJ205.9LV8N/A
1982JeepWagoneer5.9LV8N/A
1981JeepCherokee5.9LV8N/A
1981JeepCJ55.0LV8N/A
1981JeepCJ75.0LV8N/A
1981JeepJ105.9LV8N/A
1981JeepJ205.9LV8N/A
1981JeepWagoneer5.9LV8N/A
1980JeepCherokee5.9LV8N/A
1980JeepCJ55.0LV8N/A
1980JeepCJ75.0LV8N/A
1980JeepJ105.9LV8N/A
1980JeepJ205.9LV8N/A
1980JeepWagoneer5.9LV8N/A
1978JeepCherokee6.6LV8N/A
1978JeepCJ55.0LV8N/A
1978JeepCJ75.0LV8N/A
1978JeepJ105.9LV8N/A
1978JeepJ206.6LV8N/A
1978JeepWagoneer5.9LV8N/A
1977JeepCherokee5.9LV8N/A
1977JeepCJ55.0LV8N/A
1977JeepCJ75.0LV8N/A
1977JeepJ105.9LV8N/A
1977JeepJ206.6LV8N/A
1977JeepWagoneer6.6LV8N/A
1976JeepCherokee5.9LV8N/A
1976JeepCJ55.0LV8N/A
1976JeepCJ75.0LV8N/A
1976JeepJ106.6LV8N/A
1976JeepJ205.9LV8N/A
1976JeepWagoneer5.9LV8N/A
1975JeepCherokee6.6LV8N/A
1975JeepCJ55.0LV8N/A
1975JeepJ105.9LV8N/A
1975JeepJ205.9LV8N/A
1975JeepWagoneer5.9LV8N/A
1974JeepCherokee5.9LV8N/A
1974JeepCJ55.0LV8N/A
1974JeepJ105.9LV8N/A
1974JeepJ206.6LV8N/A
1974JeepWagoneer6.6LV8N/A
1973JeepCJ55.0LV8N/A
1973JeepWagoneer5.9LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.