Cummins ISX Highway Engine & Spare Parts
Cummins Engine | On-Highway | Mining Engine Parts Catalog

The Cummins ISX (later branded X15) is a 15-litre inline-six diesel (400–600 hp / 298–447 kW) with XPI common-rail fuel injection, a leader in the North American heavy-truck market and also used in heavy-haul and vocational duty. Mining Spares Direct supplies ISX/X15 engine assemblies and the full spare-parts range — pistons, cylinder liners, crankshafts, connecting rods, turbochargers, XPI injectors and fuel pumps, water and oil pumps, bearings, gasket and overhaul kits — genuine or OEM-equivalent, with worldwide export.
Technical Specifications
| Displacement | 15L |
| Configuration | Inline 6-cylinder |
| Power Range | 400-600 HP (298-447 kW) |
| Fuel System | XPI Common Rail |
View Details
- Displacement: 15L Inline 6-cylinder
- Power Range: 400-600 HP
- Fuel System: XPI Common Rail
- Applications: Long-haul trucks
- Features: Low fuel consumption, high torque
Part Numbers & Cross-Reference
| OEM Part No. | Description |
|---|---|
| 2894920 | Fuel injector for Cummins ISX15 (shared with X15) |
| 2872544 | Fuel injector for Cummins ISX / ISX11.9 / ISX12 |
| 4920465 | Water pump for Cummins ISX15 (shared with X15, cross-ref 5484602) |
| LF14000NN | Fleetguard NanoNet lube oil filter for Cummins ISX15 / X15 (Cummins 4367100) |
| FF5825NN | Fleetguard NanoNet fuel filter for Cummins ISX15 CM2250 |
Certifications & Standards
Frequently Asked Questions
What are the most common ISX engine issues?
What Cummins ISX / X15 spare parts do you supply?
Do you supply ISX parts for heavy trucks?
Can you ship ISX / X15 parts internationally?
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