85020085 Compatible Water Pump — Volvo FMX

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine block, cylinder head, and radiator. By maintaining constant flow, it prevents overheating and ensures the engine operates within safe temperature ranges during intensive service.

Compatible Volvo FMX and FM models

This component is specifically designed for Volvo FMX 480, 440, and 400 models featuring D13C engines. It is also compatible with various Volvo FM series trucks, including FM 480, FM 440, FM 380, FM 340, FM 300, FM 400, FM 360, FM 390, and FM 430. Its construction focuses on durability to withstand the high-pressure environments typical of heavy commercial vehicle applications.

Installation and maintenance guidance

For optimal performance, workshop technicians should inspect the pump during routine belt or timing belt service intervals. When replacing the unit, it is essential to check all associated gaskets and hoses to ensure a leak-free installation. Proper mounting and alignment are vital to prevent premature bearing wear or seal failure.

Troubleshooting and inspection

Monitoring for symptoms such as coolant leakage from the weep hole or unusual mechanical noise can help identify potential issues before they lead to system failure. Consult your authorized distributor for compatibility confirmation.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 85020085.