O Ring Seal 3678738 is compatible with Cummins X15, ISX12, ISX15, QSX15, QSX11.9, QSK60, QSN14, and B5.9 engines. It provides a tight, leak-free seal in high-pressure and high-temperature joints. Made to OEM specs for a precise fit and dependable sealing.
Condition:New / OEM Quality
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