21648711 Volvo FMX D13C Water Pump

What does a water pump do?

This water pump is a critical component of the engine cooling system, designed to circulate coolant between the engine block and the radiator. In heavy-duty engines, this mechanical component ensures that thermal loads are managed effectively, preventing overheating during intensive operation. Built with high-strength components, it maintains consistent flow to protect the cylinder head and engine block.

Vehicle and engine compatibility

This part is specifically engineered for Volvo FMX trucks featuring D13C engines. It is also compatible with various Volvo FM models, including the FM 460, FM 380, FM 420, FM 500, FM 400, FM 440, FM 360, and FM 480 series. This ensures reliable performance across a wide range of heavy commercial vehicle applications.

Maintenance and inspection guidance

For optimal engine health, technicians should inspect the water pump during regular cooling system maintenance. Common signs of wear include coolant leaks from the weep hole or unusual bearing noise. It is recommended to inspect the pump and related belt components during scheduled service intervals to prevent unexpected downtime.

System reliability

Maintaining a stable temperature profile is essential for the longevity of the D13C engine. Using high-quality replacement parts helps ensure that the coolant circulation remains efficient even under high thermal loads.

OE cross-reference

525.03.0008 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21648711.