21030340 Volvo FM D11B Water Pump

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 to regulate operating temperatures. By maintaining steady flow, it prevents engine overheating and protects vital engine components from thermal stress during heavy-duty operation.

Vehicle and engine compatibility

This component is specifically designed for Volvo vehicles, including various FM series models such as the FM 380, FM 420, FM 460, and FM 500. It is also compatible with Volvo FM11 trucks utilizing the D11B engine. These parts are engineered to meet the rigorous demands of heavy commercial vehicle service.

Installation and maintenance

When inspecting the cooling system, technicians should check the pump impeller and housing for any signs of wear or leakage. Proper installation ensures that the coolant flow remains consistent with manufacturer specifications, preventing premature component failure in high-temperature environments.

Fleet maintenance guidance

Maintaining the integrity of the water pump is essential for long-term engine health and preventing costly downtime in fleet operations. Consult your authorized distributor to ensure correct fitment for your specific 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 21030340.