21284318 Volvo FH16 D16K Water Pump

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine and the radiator. By maintaining steady flow, it prevents overheating and ensures the engine operates within its ideal temperature range, even under high-load conditions typical for heavy commercial vehicles.

This specific unit is designed for Volvo trucks, including FH series models such as the 420, 460, 500, and 540 variants. It is also compatible with Volvo FH16 models equipped with the D16K engine. For precise fitment, technicians should verify the engine code and existing component specifications.

During installation, it is recommended to inspect the drive belts and thermostat to ensure the entire cooling system is functioning correctly. Regular maintenance of the cooling circuit helps prevent common issues like bearing play or leaks from the weep hole, which can lead to significant engine damage.

Maintaining a robust cooling system is essential for preventing overheating in heavy-duty applications. This component is engineered to withstand high temperatures and vibrations encountered in long-haul transport operations.

Check the compatibility list.

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 21284318.