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Cylinder Head Casting for 1997-2012
15.0L ISX & QSX DOHC Engines
Our new cylinder head for Cummins ISX/QSX engines is designed to be more durable than the original to last longer than the expected service life. Improvements to the castings include:
The latest high-nickel material that is less prone to cracking
Enlarged water passages for improved cooling
Extra internal reinforcement to increase rigidity and lifespan
The Cummins ISX/QSX cylinder head replaces casting numbers 3412277, 4101420, 4059264, 4926774 and many more.
Our high quality cylinder heads are priced competitively.
And because every part is New, there is no core charge and no need to return your core.
ISX Heads are In-stock and ready for immediate shipment









New products from manufacturers at wholesale prices