85003708 Volvo FH Water Pump

What does a water pump do?

A water pump is a critical component within the engine cooling system that continuously circulates coolant between the engine block, cylinder head, and radiator. In heavy commercial vehicle engines, this component is typically belt-driven, taking motion from the crankshaft to ensure constant flow while the engine is running. This specific unit is engineered with high-strength components to withstand the rigorous thermal and mechanical stresses of heavy-duty service.

Compatible Volvo FH vehicles

This water pump is compatible with Volvo FH and FH II trucks, including models such as the 440, 480, 500, 520, and 540. It also serves various configurations within the FH II series, including the 380, 420, 460, and 460 LNG variants. This part ensures reliable thermal management for these specific Volvo engine applications.

Installation and maintenance

For professional installation, it is recommended to inspect the mounting surfaces and gaskets during assembly. Technicians should also check the integrity of the drive belts and the condition of the cooling hoses to prevent future leaks or cavitation. Regular inspection of the pump housing and bearing play can help identify early signs of wear before they lead to engine overheating.

Preventative maintenance

Maintaining a stable coolant flow is essential for preventing thermal stress in high-capacity diesel engines. By ensuring a consistent circulation rate, this component helps protect vital engine components from excessive heat buildup during long-haul operations.

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 85003708.