21218878 Water Pump for Volvo FH Series

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the continuous circulation of coolant between the engine and the radiator. By maintaining consistent thermal management, this part helps prevent engine overheating during heavy-duty operations in various heavy commercial vehicle applications.

Compatible Volvo truck models

This component is specifically designed for Volvo trucks, providing reliable fitment for several models including the Volvo FH III series (such as 420 AERO, 460, and 540), Volvo FH (including 400, 480, and 520), and Volvo FH II (including 380, 420 LNG, and 540). It is engineered to meet the rigorous demands of long-haul transport and construction machinery environments.

Installation and maintenance guidance

For optimal performance and to avoid potential leaks or bearing play, it is recommended that technicians inspect the pump during routine belt service. When replacing this unit, ensure all mounting surfaces are clean to maintain a proper seal within the cooling circuit. Consult your authorized distributor for more information.

Performance and durability

The part is engineered using high-strength components to withstand high-pressure environments and temperature fluctuations common in heavy commercial vehicle engines.

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 21218878.