Description
The PAI 209960EX is a remanufactured XPI common-rail fuel injector for Cummins ISX15 and QSX15 EPA10 engines (CM2250 control module era). It replaces Cummins 2872405 and the factory exchange numbers 2872405PX, 5579417, and 5579417PX. As a reman exchange part, a core charge applies and is refunded on return of an acceptable core. The Genuine PAI reman twin of this injector is 209960X.
Symptoms of a Failing Fuel Injector
- Rough idle, misfires, or cylinder cut-out codes
- Fuel knock and hard starting
- White smoke at idle or black smoke under load
- Low power and rising fuel consumption
- Rail-pressure or cylinder-balance fault codes
- Fuel in the engine oil in severe leak-down cases
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 209960EX |
| Type | Remanufactured XPI common-rail fuel injector assembly |
| Engines | Cummins ISX15 / QSX15, EPA10 (CM2250) |
| Replaces | Cummins 2872405, 2872405PX, 5579417, 5579417PX |
| Condition | Remanufactured — exchange |
| Core Charge | Core charge applies — refundable on acceptable core return |
Cross References
| Cummins | 2872405, 2872405PX, 5579417, 5579417PX |
|---|---|
| Interstate-McBee | R-5579417 |
| PAI | 209960X (Genuine reman), 209960EX (Excel reman) |
Applications
- Cummins ISX15 15.0L EPA10 (CM2250) on-highway engines
- Cummins QSX15 EPA10 industrial engines
- Confirm by engine serial number / CPL — ISX15 injectors differ between EPA07, EPA10, and EPA13 builds
Verify part number and engine application before ordering to confirm fitment.
