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Fluidampr 830111 Harmonic Fluid Damper is for 2011 to 2016 of the 6.6L Duramax LGH and LML engines. Installing a Fluidampr viscous vibration damper on your Duramax will offer superior protection from damaging torsional vibrations, increase both Horsepower and Torque output. A Viscous Damper offers superior control of the crankshaft vibrations when compared to the factory rubber damper. The Fluidampr viscous damper continually adjusts to provide optimum damping of the destructive vibrations across the engines entire operating rpm band. and promote longer engine life.
The Fluidampr 830121 High Performance Diesel Harmonic Balancer works on the 2011+ versions of the GM 6.6L Duramax engines.