21781059 Compatible Water Pump — Volvo FH16

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 and the radiator to maintain stable operating temperatures. Built with high-strength components, it is engineered to withstand the continuous high-load operating conditions typical of heavy commercial vehicle engines.

Vehicle and engine compatibility

This specific unit is compatible with Volvo FH16 trucks featuring the D16K engine. It serves as a reliable replacement to prevent overheating and ensure engine longevity under heavy-duty service conditions.

Installation and maintenance

For optimal performance, technicians should inspect the pump during belt service intervals. Checking for signs such as coolant leakage from the weep hole or unusual bearing noise can help prevent serious engine damage. Ensure all connections are secure during installation to maintain system pressure.

Troubleshooting and durability

VADEN ORIGINAL water pumps are developed taking high temperature and vibration into account to ensure durability in demanding environments.

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 21781059.