21814009 Compatible Water Pump — Volvo FMX III

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 to maintain optimal operating temperatures. By ensuring a consistent flow, it prevents engine overheating and protects vital engine components under heavy-duty operating conditions.

Compatible Volvo vehicle models

This component is specifically engineered for use in Volvo FMX III models, including the 380, 420, 460, and 540 variants. It is also compatible with various Volvo FM series engines such as the FM 380, FM 420, FM 460, and FM 500, as well as several Volvo FMX II configurations. These parts are essential for maintaining the thermal stability of heavy commercial vehicle engines.

Installation and maintenance

For optimal performance, technicians should inspect the pump during routine cooling system maintenance. When replacing the water pump, it is recommended to check the condition of the belts and gaskets to ensure a complete and leak-free installation. Regular checks for signs of coolant leakage or unusual noise can help prevent unexpected downtime in fleet operations.

Selection guidance

Consult your authorized distributor to confirm specific fitment for your vehicle's engine configuration.

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 21814009.