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The ATI crankshaft damper is a 7.425-inch steel, three-ring damper for Duramax diesel engines covering 2011 and later LML and LGH models with external balance. It matches the six-groove crank profile and provides heavy inertia to manage diesel torsional vibration. This damper is intended as a direct-fit solution for ext-balanced Duramax cranks in the specified model years, restoring correct rotational damping.
ATI Damper - 7.425in - Steel - 6 Grv - Duramax - 11+ - LML & LGH - Ext Bal - Diesel - 3 Ring
