21030340 Volvo FH Water Pump

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 consistent fluid flow, it prevents engine overheating and ensures stable operating temperatures during heavy-duty operation.

Compatible vehicle models

This component is specifically designed to fit Volvo FH models, including variants such as the 420, 460, 500, and 540. It provides reliable performance for these heavy commercial vehicles in demanding service environments.

Maintenance and inspection

When performing routine maintenance, technicians should inspect the pump for signs of coolant leakage or bearing play. It is often recommended to renew the pump during timing belt or alternator belt service intervals to prevent unexpected system failure.

System reliability

Proper selection ensures seamless integration with existing cooling components like the radiator and thermostat.

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 21030340.