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The ATI crankshaft damper is a steel 7.425-inch, three-ring unit for Duramax diesel engines with six-groove cranks and external balance, covering 2001–2005 LB7 and LLY models. It provides heavy inertia damping suited to diesel torque characteristics. This damper is a direct replacement for ext-balanced Duramax cranks in the specified years, offering proper vibration control for those engine configurations.
ATI Damper - 7.425in - Steel - 6 Grv - Duramax - 01-05 - LB7 & LLY - Ext Bal - 3 Ring - Diesel
