Cummins ISX15 Cylinder Head | 4298234 | All Inconel Valves | New

New aftermarket loaded cylinder head for Cummins ISX15 (also sold for off-highway QSX15) single-overhead-cam (SOHC) engines, EPA10/13 emissions era, casting 4298234, fitted with all-Inconel valves (both intake and exhaust). Supplied fully assembled with valves and springs — injectors not included; reuse your existing injectors or supply a replacement set. Fits single-camshaft ISX/QSX engines only; it will not fit dual-overhead-cam (DOHC) ISX engines, which use a different head. Brand-new casting with no core charge.

Key Features:

• SOHC-specific fitment — fits single-overhead-cam ISX15/QSX15 engines only; will NOT fit dual-cam (DOHC) ISX engines, which require a different head. Confirm your engine has one camshaft before ordering
• All-Inconel valves (intake and exhaust) for heat and corrosion resistance at high combustion and exhaust-gas temperatures
• Loaded and ready to install — supplied assembled with valves and springs; injectors not included (reuse your existing set or supply a replacement)
• Valve guides, seats, injector cups, and cam bearings installed
• High-strength, alloyed cast-iron 24-valve head (4 valves per cylinder); base part 4298234
• Brand-new casting — no core charge and no core return required

Specifications:

• Base part number: 4298234
• Component Type: Loaded cylinder head assembly, SOHC (complete with valves and springs)
• Valve configuration: all-Inconel valves (intake and exhaust); 24-valve (4 valves per cylinder)
• Included: valves and springs (loaded); valve guides, seats, injector cups, and cam bearings installed; injectors NOT included
• Condition: New Aftermarket
• Brand / Manufacturer: Diesel Cast Welding (DCW)
• Material: High-strength, alloyed cast iron
• Engine: Cummins ISX15 / QSX15, inline-6, 15.0 L, SOHC, 24-valve
• Emissions era: EPA10 / EPA13

Compatibility / Fitment:

Cummins ISX15 (on-highway Class 8 trucks — North America's most popular heavy-duty engine) and QSX15 (off-highway: industrial, mining, marine, power generation), EPA10 / EPA13 emissions era, single overhead cam (SOHC) only. Also fits engines badged X15, the 2017+ name for the same 15L platform. This head will NOT fit dual-overhead-cam (DOHC) ISX engines (two camshafts); those use a different cylinder head. Configuration can vary within the ISX15 line, so confirm your engine serial number / CPL before ordering.

Popular Cross-References / Interchanges:

• Cummins SOHC casting (interchangeable): 3686431, 3687398, 3688754
• More interchanges available in our Interchange Part Numbers tab

Conclusion:

New aftermarket loaded Cummins ISX15/QSX15 cylinder head, base part 4298234, for single-overhead-cam (SOHC) EPA10/13 engines only. Supplied assembled with valves and springs and fitted with all-Inconel valves; injectors not included. A brand-new cast-iron casting with no core charge, machined to restore OEM sealing and compression. Confirm single-cam configuration and engine serial/CPL before ordering — this head does not fit dual-cam DOHC ISX engines.