Cummins ISZ engine water pump assembly 5580047 Series is the cooling water pump head for Dongfeng Tianlong ISZ450 and 560 diesel engines. It circulates coolant to dissipate heat for the engine, keeps operating temperature stable, widely used in Dongfeng Tianlong heavy-duty trucks.

Part numbers in this series:
5580047, 4366039

Fits: Dongfeng Cummins ISZ450, ISZ560 Diesel Engine
Position: Engine cooling system

What you are ordering
Price is per water pump assembly. All part numbers are separate variants, please select the correct PN from variant options. These water pumps are not interchangeable. Different part numbers have different pulley and water channel structure. Wrong selection will cause overheating and engine damage.

Specifications
Type: Complete Water Pump Assembly / Water Pump Head
Material: Cast iron housing + impeller
Feature: High flow rate, leak-proof, durable
Package: Neutral packing or wooden case

When to replace
Replace the water pump when coolant leakage, abnormal noise, overheating, or impeller wear occurs.

Fitting notes
Strictly confirm part number before ordering. Flush the cooling system before installation. Use new coolant and gasket. Follow Cummins service manual for installation. If you are not sure which water pump matches your engine, send us engine serial number for confirmation.

Warranty and shipping
Covered by a 12-month warranty against manufacturing defects. Orders are dispatched within 3–7 business days; DHL / FedEx delivery takes 5–10 business days. Tracking number is sent as soon as the parcel leaves our warehouse.

Note: manufacturer names and part numbers are used for identification and cross-referencing only. We are an independent aftermarket supplier and are not affiliated with, or authorised by, the original manufacturer. Please verify the part number against your engine's parts catalogue before ordering — our team is happy to help if you send us your engine model or serial number.