4309440 cylinder compressor head kit, with interchangeable codes 4936225 and 9111539212, fits Cummins QSX15, ISX15 and X15 series high-power engines. The complete kit includes all necessary components for cylinder head overhaul, made of high-strength materials for improved compression performance and engine power output, meeting strict OEM quality standards.
Supersedes:4936225 9111539212
Condition:New / OEM Quality
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