21218878 Volvo FM D13K Water Pump

What does a water pump do?

The water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine and the radiator. By driving the impeller, this component ensures a constant flow of coolant, which is vital for maintaining the ideal operating temperature of the engine during long-haul transport or heavy-duty operations.

Compatible Volvo FM models and engines

This specific model is designed for Volvo FM series trucks, specifically compatible with FM 480, FM 440, FM 380, FM 340, FM 300, FM 400, FM 360, FM 390, and FM 430 models featuring the D13K engine. It provides a reliable replacement solution to ensure the cooling system functions as intended across various load profiles.

Installation and maintenance guidance

For optimal performance and to prevent potential engine overheating, technicians should inspect the pump and its drive belts during routine maintenance intervals. It is highly recommended to check for signs of coolant leakage or bearing noise and to consider renewing the pump alongside timing or alternator belt services to prevent unexpected downtime.

Importance of cooling system maintenance

Maintaining a stable temperature through a reliable coolant pump helps protect internal engine components from thermal stress. This part is an essential component for fleet managers and workshop technicians looking to ensure the longevity of Volvo heavy commercial vehicles.

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 21218878.