85013425 Volvo FH D11K Water Pump

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 stable temperature levels, it helps prevent engine overheating and ensures long-term operational reliability under heavy-duty service conditions.

Vehicle and engine compatibility

This specific component is engineered for Volvo FH (FH4/FH5) trucks featuring D11K engines. It is also compatible with various Volvo FH models including the 420, 460, 500, and 540 variants. For precise fitment, technicians should always verify the engine code and existing OEM references.

Installation and maintenance

During installation, it is recommended to inspect the drive belt and associated seals to ensure a proper connection. Replacing this unit alongside scheduled timing or alternator belt services can help prevent unexpected downtime in fleet operations.

Troubleshooting guidance

Monitoring for signs such as coolant leakage or unusual noise from the pump housing can assist in early detection of wear. Maintaining the integrity of the cooling circuit is essential for the longevity of heavy commercial vehicle engines.

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 85013425.