Product Details

4089909 4920464 Engine Water Pump

Premium Replacement for Cummins ISX / QSX15 Series Engines

Industrial Cooling Solutions for 15L Engines

Maintaining the cooling integrity of your heavy-duty engine is critical for operational uptime. We offer the 4089909 and 4920464 engine water pumps, specifically engineered for Cummins ISX and QSX15 platforms. These pumps are built to withstand the rigorous demands of long-haul trucking and industrial power applications, ensuring consistent coolant circulation and thermal management.

Primary Part Numbers: 4089909 | 4920464 | 408990900 (Non-hyphenated)

1. Product Technical Specifications

Field	Details
Model NO.	ISX / QSX15 / X15 Series Engines
Product Name	Engine Water Pump
Part Number	4089909, 4920464
Type	Heavy Duty Centrifugal Replacement
Condition	Brand New, OEM Standard Quality
MOQ	1 Piece
Stock Status	Ready to Ship / Fast Dispatch
Application	Engine Overhaul, Maintenance, and Rebuilds
Packaging	Secure Industrial Export Packing
Delivery Methods	Express (DHL, Fedex, UPS, EMS), Air, or Sea Freight
Payment Terms	T/T, Western Union, MoneyGram

2. Comparison: OEM Standard vs. Common Aftermarket

Using a high-spec 4089909 water pump ensures your Cummins QSX15 engine stays within safe operating temperatures under full load.

Core Procurement Points	Our OEM-Standard Replacement	Generic Aftermarket Parts
1. Mechanical Seal	Silicon Carbide (Long-life, Anti-leak)	Synthetic Rubber (High Failure Rate)
2. Bearing Grade	High-load dual ball bearings	Standard light-duty bearings
3. Impeller Flow	Optimized cast-iron design	Lightweight stamped steel
4. Housing Strength	Tested for high-pressure durability	Basic cast aluminum
5. Fitment Guarantee	Precision match for 4920464	Frequent alignment issues
6. Thermal Resistance	Stable under extreme engine heat	Risk of deformation under load

3. Expert Technical Maintenance Support

Not sure how this issue affects your equipment? Our team helps operators:

Identify potential risks during maintenance (e.g., detecting early shaft play or seal weeping)
Recommend suitable replacement parts based on your specific Engine Serial Number (ESN)
Support both inspection advice and global parts supply for urgent fleet repairs

4. Troubleshooting & FAQ (Part Number Focus)

Q: What are the symptoms of a failing 4920464 water pump on an ISX engine?

A: Common signs include coolant leaking from the weep hole, rising engine temperatures, and unusual grinding noises from the front of the engine. Replacing it with a high-quality 4920464 or 4089909 pump immediately prevents catastrophic engine failure.

Q: Why Choose This Engine Water Pump?

A: Because of its OEM-standard tri-metal structure. It is trusted by professional repair shops and global equipment fleets for its long-term durability in 15-liter diesel engines.

Q: Can I use 4089909 as a direct replacement for 4920464?

A: Yes, these part numbers are often interchangeable or superceded depending on the specific engine manufacture date. Always verify with your ESN before final purchase.

Send Your Part Number for a Fast Quote

Our Company Scope: We specialize in high-performance engine assemblies and high-precision replacement parts for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai engines.

Industry Search Index: ISX Overhaul Kit, QSX15 Cylinder Liner, Caterpillar C15 Parts, Komatsu Engine Maintenance, 4089909 Pump Replacement, 4920464 Cooling Parts, Diesel Piston Ring Set, Engine Main Bearing, Connecting Rod Bushing, Engine Gasket Kit, Fuel Injection Pump, Turbocharger Assembly, Heavy Duty Water Pump, Oil Pump Replacement, 15L Engine Rebuild, Caterpillar Replacement Gaskets, Isuzu Diesel Spare Parts, Kubota Maintenance Kit, Yanmar Engine Components, Weichai Power Parts.

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