23959585 Compatible Water Pump — Volvo FMX

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine and the radiator. By maintaining a steady flow, it prevents overheating and ensures the engine operates within its designed thermal range under heavy-duty service conditions.

Vehicle compatibility and engine fitment

This specific unit is designed to fit Volvo FMX models with D13K engines, including variants such as the 380, 420, 460, and 500. It is also compatible with various Volvo FM series trucks, including the FM 380, FM 420, FM 460, and FM 500 models.

Installation and maintenance guidance

For optimal performance and to prevent system failure, technicians should inspect the pump during routine belt service. Monitoring for signs such as coolant leaks from the weep hole or unusual bearing noise can help prevent unexpected downtime. Proper installation ensures the impeller and mechanical seals function correctly to maintain pressure.

System performance and troubleshooting

Maintaining a robust cooling system is essential for heavy commercial vehicle longevity. Always verify fitment against engine specifications to ensure correct flow rates and mounting alignment.

OE cross-reference

525.03.0005 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 23959585.