21648708 Compatible Water Pump — Volvo FH

What does a water pump do?

This water pump plays a critical role in the engine cooling system by circulating coolant between the engine and the radiator. By maintaining a steady flow, it ensures the engine operates at its ideal temperature, which is vital for preventing overheating during heavy-duty operation and long-haul transport.

Vehicle and engine compatibility

The component is specifically engineered to fit Volvo FH and FH13 models, including variants such as the 420, 460, 500, and 540. It is highly compatible with Volvo D13A engines, ensuring precise fitment for these heavy commercial vehicle applications.

Maintenance and installation guidance

For optimal performance, technicians should inspect the pump during routine belt service. Signs of wear include coolant leakage from the weep hole or unusual bearing noise. Regular checks help prevent serious engine damage caused by improper thermal regulation.

Troubleshooting and selection

VADEN ORIGINAL provides high-strength components designed to withstand the rigorous thermal and mechanical stresses found in heavy-duty truck engines.

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 21648708.