21221878 Compatible Water Pump for Volvo FM

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 ensuring continuous flow, it prevents overheating and maintains the thermal stability required for heavy-duty performance.

Compatible vehicles and engines

This component is specifically engineered to fit Volvo FM trucks equipped with D11K engines, including models such as the FM 300, FM 340, FM 360, FM 380, FM 390, FM 400, FM 430, FM 440, and FM 480. It is an essential replacement part for maintaining the longevity of these heavy commercial vehicle engines.

Maintenance and inspection guidance

For optimal performance and to avoid unexpected downtime, technicians should inspect the pump during routine belt service. It is recommended to check for signs of coolant leakage or unusual noise from the bearing during every maintenance interval to ensure the system remains pressurized and efficient.

Selection guidance

Selecting a high-quality replacement ensures that the mechanical seal and impeller work in harmony with the engine's thermal demands. Consult your authorized distributor to confirm precise fitment for your specific vehicle 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.