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Complete, OEM-fit cylinder head gasket kit for Cummins ISX engines — MLS head gasket (OEM 3689567), all seals, O‑rings, washers, and corrosion-resistant hardware. High-temp, chemical-resistant materials ensure reliable compression sealing, prevent coolant/oil cross-contamination, and reduce downtime. Ideal for ISX rebuilds and fleet maintenance. Verify engine serial/model year for exact fitment.
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