85003708 Volvo B9R D9B Water Pump

What does a water pump do?

The water pump plays a critical role in the engine cooling system by circulating coolant between the engine block and the radiator. This component is vital for maintaining stable thermal levels and preventing engine overheating during heavy-duty operation. High-strength components are used to ensure durability against high temperatures and continuous vibration.

Vehicle and engine compatibility

This specific unit is designed for Volvo B9R trucks featuring the D9B engine. It is engineered to meet the rigorous demands of heavy commercial vehicle engines, ensuring precise flow rates and reliable performance in demanding environments. It is also fitted to Volvo engines as a direct replacement.

Installation and maintenance

For optimal performance, it is recommended to inspect the pump alongside the drive belt and thermostat during routine maintenance. Technicians should check for signs of wear such as bearing noise or coolant leakage around the seals to prevent sudden system failure.

Troubleshooting guidance

Consult your authorized distributor.

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.