5528405 Cummins ISL9 Compatible Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the constant circulation of coolant to prevent overheating. It is manufactured using high-strength components to withstand the rigorous thermal and mechanical stresses encountered in heavy commercial vehicle operations.

Engine compatibility and fitment

This component is specifically designed to be compatible with Cummins engines, including the ISL, ISL9, QSL9 8.9, ISC, and various 6CT/6CTA 8.3 series. It ensures reliable performance across these specific engine architectures by maintaining precise flow rates.

Maintenance and installation

For optimal service life, technicians should inspect the pump during routine cooling system maintenance. Checking for any signs of coolant leakage or unusual noise around the pulley assembly can prevent unexpected engine downtime. Proper installation ensures the integrity of the entire cooling circuit.

System reliability

Consult your authorized distributor for compatibility verification and professional installation guidance.

OE cross-reference

525.25.0002 (Water Pump Water Pumps) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 5528405.