4309344NX Cummins ISL Water Pump
525.25.0002
Summary
This heavy-duty water pump is designed for Cummins ISL and ISL9 engines to ensure efficient thermal management. Built with high-strength components, it maintains precise coolant flow within the engine cooling system to prevent overheating in heavy commercial vehicles. Equivalent to OE Cummins 4309344NX.
| EAN Code | 8683457078482 |
|---|
Ready to Order
Compatible OEM Codes
-
CUMMINS
- 6410398
- 5681294
- 5579023
- 5528405
- 5346204
- 5291444
- 4955529NX
- 4955529
- 4376357
- 4309344NX
- 4309344
- 3973115
- 3959582
- 2882044
Description
What does a water pump do?
This water pump serves as a critical component within the engine cooling system, ensuring consistent coolant circulation to maintain optimal operating temperatures. By providing reliable flow, it helps protect engine components from thermal stress and prevents overheating during heavy-duty operation.Engine compatibility
Designed specifically for Cummins engines, this unit is compatible with ISL, ISL9, ISC, QSC8.3, 6CT, 6CTA 8.3, 6C, and QSL9 8.9 series. This ensures high-performance cooling for a wide range of heavy commercial vehicle applications.Installation and maintenance
To ensure proper function, technicians should inspect the pump housing and seals during every coolant system service. Proper installation and regular checks of the drive belt tension are essential for maintaining long-term performance in demanding environments.Troubleshooting
Consult your authorized distributor to confirm specific fitment for your engine series.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 4309344NX.Other OEMs
CUMMINS
- 6410398
- 5681294
- 5579023
- 5528405
- 5346204
- 5291444
- 4955529NX
- 4955529
- 4376357
- 4309344NX
- 4309344
- 3973115
- 3959582
- 2882044
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| BLUE BIRD | All American | ISC | |
| BLUE BIRD | All American | ISL9 | |
| BLUE BIRD | Vision | ISC | |
| BLUE BIRD | Vision | ISL9 | |
| CATERPILLAR | ISL9 | ||
| CATERPILLAR | L9 | ||
| CUMMINS | |||
| CUMMINS | 6C | ||
| CUMMINS | 6CT | ||
| CUMMINS | 6CTA 8.3 | ||
| CUMMINS | ISC | ||
| CUMMINS | ISL | ||
| CUMMINS | ISL9 | ||
| CUMMINS | QSC8.3 | ||
| CUMMINS | QSL9 8.9 | ||
| DONGFENG | Kinland | ISC | |
| DONGFENG | Tianjin | ISC | |
| FREIGHTLINER | 108SD | ISL9 | |
| FREIGHTLINER | 114SD | ISL9 | |
| FREIGHTLINER | FL60 | ISC | |
| FREIGHTLINER | FL70 | ISC | |
| FREIGHTLINER | FL80 | ISC | |
| FREIGHTLINER | FS-65 | ISC | |
| FREIGHTLINER | M2 106 | ISC | |
| FREIGHTLINER | M2 106 | ISL9 | |
| FREIGHTLINER | M2 112 | ISC | |
| FREIGHTLINER | M2 112 | ISL9 | |
| GILLIG | Low Floor | ISC | |
| GILLIG | Low Floor | ISL9 | |
| GILLIG | Phantom | ISC | |
| IC BUS | CE Series | ISC | |
| IC BUS | CE Series | ISL9 | |
| IC BUS | RE Series | ISC | |
| IC BUS | RE Series | ISL9 | |
| INTERNATIONAL | 4300 | ISC | |
| INTERNATIONAL | 4400 | ISC | |
| INTERNATIONAL | 7400 | ISC | |
| INTERNATIONAL | DURASTAR | CUMMINS ISL9 | |
| INTERNATIONAL | DURASTAR | CUMMINS L9 | |
| INTERNATIONAL | WORKSTAR | CUMMINS ISL9 | |
| INTERNATIONAL | WORKSTAR | CUMMINS L9 | |
| KENWORTH | T300 | ISC | |
| KENWORTH | T370 | ISC | |
| KENWORTH | T370 | ISL9 | |
| KENWORTH | T440 | ISC | |
| KENWORTH | T440 | ISL9 | |
| KENWORTH | T470 | ISC | |
| KENWORTH | T470 | ISL9 | |
| KENWORTH | T880 | ISL9 | |
| NEW FLYER | D40LF | ISC | |
| NEW FLYER | D40LF | ISL9 | |
| NEW FLYER | Xcelsior XD40 | ISL9 | |
| NEW FLYER | Xcelsior XD60 | ISL9 | |
| NOVA BUS | LFS | ISL9 | |
| ORION BUS | Orion VII | ISL9 | |
| PETERBILT | 330 | ISC | |
| PETERBILT | 335 | ISC | |
| PETERBILT | 337 | ISC | |
| PETERBILT | 337 | ISL9 | |
| PETERBILT | 348 | ISC | |
| PETERBILT | 348 | ISL9 | |
| PETERBILT | 520 | ISL9 | |
| PETERBILT | 535 | ISL9 | |
| PETERBILT | 536 | ISL9 | |
| PETERBILT | 537 | ISL9 | |
| PETERBILT | 548 | ISL9 | |
| THOMAS BUILT BUSES | Saf-T-Liner C2 | ISC | |
| THOMAS BUILT BUSES | Saf-T-Liner C2 | ISL9 | |
| THOMAS BUILT BUSES | Saf-T-Liner HDX | ISC | |
| THOMAS BUILT BUSES | Saf-T-Liner HDX | ISL9 | |
| WESTERN STAR | 4700 | ISL9 |
FAQ
What is the function of this water pump?
The water pump circulates coolant throughout the engine block and radiator to regulate temperature and prevent overheating.
Which engines is this pump compatible with?
This unit is engineered for compatibility with Cummins ISL, ISL9, ISC, QSC8.3, 6CT, 6CTA 8.3, 6C, and QSL9 8.9 engines.
How can I identify a failing water pump?
Common symptoms include coolant leaks around the housing or unusual noises coming from the front of the engine during operation.
Is this part suitable for heavy commercial vehicles?
Yes, this component is designed specifically for heavy-duty engine applications to ensure reliability in demanding environments.
What are the OE reference numbers of this part?
525.25.0002 directly replaces Cummins OE number 4309344NX.