Fuel Injector for Cummins ISX/QSX 15L Engines | 5579419

This is a brand-new replacement fuel injector for Cummins ISX/QSX 15L Engines, manufactured to original OEM standards and supplied by a trusted supplier.

When you choose a Cetane Parts injector, you’re getting a product built for OEM-level performance, reliability, and long service life. Many aftermarket turbos vary widely in quality, but we stand firmly behind ours. Every brand-new Cetane Parts injector includes a 1 Year Unlimited Mileage Warranty , backed by strict manufacturing and quality-control processes you can count on.

This injector is built as an exact-fit replacement for the OEM Cummins ISX/QSX 15L 5579419 and matches the listed interchange part numbers. If you’re unsure whether this part fits your engine, just reach out — we’re here to help you identify the correct component quickly and accurately.

Product Type: Fuel Injector

Part Number: 5579419

Condition: New

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