21030340 Volvo FMX D11B Water Pump

This water pump serves as a critical component within the engine cooling system, ensuring the constant circulation of coolant between the engine and the radiator. By maintaining proper thermal regulation, it prevents engine overheating during heavy-duty operation. This part is manufactured using high-strength components designed to meet the demanding requirements of heavy commercial vehicles.

This specific unit is compatible with Volvo FMX models, including the 380, 420, 460, and 500 variants equipped with D11B engines. It is also suitable for Volvo FM series trucks such as the FM 380, FM 420, FM 460, and FM 500. The component ensures precise flow control to maintain stable operating temperatures in these heavy commercial vehicle applications.

To ensure optimal performance, technicians should inspect the water pump during routine belt service intervals. Signs of wear such as coolant leakage from the weep hole or unusual bearing noise should be addressed immediately to prevent engine damage. When replacing this part, it is recommended to check the condition of the drive belts and gaskets.

Consult your authorized distributor to ensure correct fitment for your specific vehicle 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.