21941086 Volvo FH Water Pump D16K Engine

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, facilitating the continuous circulation of coolant between the engine and the radiator. By maintaining stable thermal management, it helps prevent engine overheating during intensive heavy commercial vehicle operations. Built with high-strength components, it is designed to withstand high temperatures and mechanical vibrations common in heavy-duty environments.

Compatible Volvo vehicles and engines

The component is specifically compatible with Volvo FH series trucks, including variants 420, 460, 500, and 540, as well as Volvo FH16 models equipped with the D16K engine. This part ensures precise fitment for these specific Volvo engine configurations to maintain system integrity.

Installation and maintenance guidance

For optimal performance, technicians should inspect the water pump during routine belt service intervals. It is recommended to check for signs of coolant leakage from the weep hole or unusual bearing noise during maintenance. Ensuring a secure installation and checking the integrity of all connections helps prevent serious engine damage caused by thermal fluctuations.

Troubleshooting and selection

Consult your authorized distributor to ensure perfect compatibility with your specific engine 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 21941086.