21648708 Volvo FM FM11 D11B Water Pump

What does a water pump do?

This water pump plays a critical role in the engine cooling system by circulating coolant to prevent overheating during heavy-duty operations. Built with high-strength components, it ensures consistent fluid flow to maintain optimal operating temperatures within the engine block.

Compatible Volvo models and engines

This component is specifically engineered for Volvo vehicles, including the FM series models such as the FM 500, FM 380, FM 420, and FM 460. It is also compatible with Volvo FM11 trucks featuring the D11B engine configuration.

Installation and maintenance guidance

To ensure proper operation, technicians should inspect the pump housing and seals during routine maintenance intervals. Proper installation within the cooling circuit is essential to prevent leaks and maintain the pressure required for efficient heat dissipation in heavy commercial vehicle applications.

System performance and troubleshooting

Regular monitoring of coolant levels and checking for any signs of seepage around the pump interface can prevent more serious engine temperature issues.

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 21648708.