21941086 Compatible Water Pump — Volvo FH16

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the continuous circulation of coolant between the engine and the radiator. By maintaining precise thermal regulation, it prevents overheating during high-load operations in heavy commercial vehicles. Built with high-strength components, this unit is designed to withstand the intense vibrations and temperature fluctuations common in heavy-duty engine environments.

Vehicle and engine compatibility

This specific part is designed for use in Volvo FH16 trucks equipped with D16K engines. It functions as a reliable replacement for original components, ensuring seamless integration into the existing cooling circuit of the vehicle's engine assembly.

Installation and maintenance

Technicians should inspect the pump during routine belt service or when symptoms of coolant leakage from the weep hole or unusual bearing noise are detected. Proper installation requires ensuring all connection points are secure to maintain system pressure and prevent air pockets in the cooling circuit.

Troubleshooting and replacement

Maintaining the cooling system is essential for engine longevity. If the impeller or bearing shows signs of excessive play, immediate replacement is recommended to avoid catastrophic engine damage due to overheating.

OE cross-reference

525.03.0016 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21941086.