21648716 Compatible Water Pump — Volvo FH D13K

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 commercial vehicle engines, this centrifugal-type pump ensures that thermal loads are managed effectively, preventing overheating during intensive operations.

Vehicle and engine compatibility

This part is specifically engineered for Volvo FH (FH4/FH5) models equipped with the D13K engine. It maintains high-performance standards required for heavy-duty truck applications, ensuring reliable coolant flow throughout the engine block and cylinder head.

Installation and maintenance

Technicians should inspect the pump during routine cooling system maintenance, particularly when replacing belts or gaskets. Monitoring for signs such as coolant leaks from the weep hole or unusual bearing noise can help prevent sudden engine overheating. When replacing, ensure all connections and seals are seated correctly to maintain system pressure.

Troubleshooting guidance

Check the compatibility list.

OE cross-reference

525.03.0009 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21648716.