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This ATI crankshaft damper is a 7.425-inch steel unit intended for 2017–2019 GM Duramax engines with a six-groove accessory drive. It replaces the OEM balancer to preserve harmonic control and correct pulley spacing. Built in steel to match application requirements, the damper is supplied to fit the specified Duramax model years and accessory configurations where a 6-groove drive is used.
ATI Damper - 7.425In - Steel - 6 Grv - 17-19 GM Duramax
