21221878 Volvo VHD D13 Water Pump

What does a water pump do?

This water pump serves as a vital component within the engine cooling system, ensuring the continuous circulation of coolant between the engine and the radiator. Designed to withstand high-load operating conditions, it helps maintain the ideal operating temperature required for engine longevity in heavy commercial vehicles.

Vehicle and engine compatibility

This specific unit is compatible with Volvo VHD trucks equipped with D13 engines. It is manufactured to meet the rigorous demands of heavy-duty applications, ensuring reliability under high temperature and vibration conditions typical of long-haul or construction environments.

Maintenance and replacement guidance

To ensure proper function, technicians should inspect the pump during routine belt service. Common indicators for replacement include coolant leakage from the weep hole or unusual bearing noise. When performing installation, always verify that the mounting surfaces are clean to prevent leaks.

Troubleshooting and selection

Check the compatibility list to ensure this part matches your specific engine configuration.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21221878.