Water Pump 4089909 for Engine ISX15 QSX15

Keywords: 4089909 water pump, ISX15 QSX15 engine cooling water pump, diesel engine water pump assembly, excavator engine spare parts, construction machinery cooling system parts, aftermarket replacement water pump

🔹Product Overview

Water Pump Part No.4089909 is the core circulation component of cooling system for ISX15 QSX15 diesel engine, widely installed on excavators and heavy‑duty construction machinery. It drives coolant circulation inside engine, takes away excess heat generated during engine operation, maintains stable working temperature and prevents engine overheating. This replacement water pump resolves typical failures including coolant leakage, abnormal running noise, insufficient water flow and engine overheating caused by original pump seal aging, impeller wear and bearing damage. Every water pump undergoes strict leakage test and rotation performance inspection before shipment.

🔹Detailed Specifications

🔹Key Features & Advantages

• High‑strength cast iron housing, excellent heat‑resistance and anti‑corrosion performance for long‑term coolant contact.
• Precision‑manufactured impeller and bearing assembly, stable water circulation, low running noise.
• High‑quality built‑in mechanical seal, effectively avoid coolant leakage under variable temperature working environment.
• Effectively solve engine overheating, water leakage and abnormal noise faults caused by damaged original water pump.
• Complete with installation gasket, convenient for ISX15 QSX15 engine cooling system repair and overhaul.

🔹Application Scope

Fit Equipment: Excavators and heavy‑duty machinery equipped with ISX15 QSX15 diesel engine ‑ Widely applied for engine repair workshops and routine equipment maintenance projects.

🔹Our Company Advantage

We are professional supplier of full‑range construction machinery spare parts, supplying engine parts, hydraulic parts, electrical parts, seal kits and complete overhaul kits. ‑ Large ready stock for various machinery spare parts ‑ Factory‑direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

🔹Packaging & Shipping

Neutral export carton box with shock‑proof inner packing, avoid scratch and collision during long‑distance transportation ‑ Multiple shipping options: sea freight, air freight, international express for small trial orders ‑ Export documents such as Commercial Invoice, Packing List can be provided.

🔹Contact Us

If you need more excavator spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.