21781059 Water Pump for Volvo B11R D11A

What does a water pump do?

This water pump plays a critical role in the engine cooling system by facilitating the continuous circulation of coolant throughout the engine block and radiator. Engineered with heavy-duty grade materials, it ensures stable thermal management and prevents overheating during intense operation.

Vehicle and engine compatibility

This component is specifically fitted to Volvo B11R trucks featuring the D11A engine. It serves as a reliable replacement for maintaining the integrity of the cooling circuit in heavy commercial vehicle applications.

Installation and maintenance

When performing maintenance, technicians should inspect the pump housing and seals for any signs of leakage or wear. Proper installation within the cooling loop is essential to ensure consistent flow rates and prevent air pockets from forming in the system.

System reliability

Regular inspections of the water pump during routine engine service help prevent unexpected downtime in fleet operations. Always verify engine specifications before installation to ensure perfect fitment.

OE cross-reference

525.03.0009 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21781059.