2017-2019 Duramax L5P Fluidampr Harmonic Damper (830141) 2003 - 2007 Dodge Cooling Systems Each piston is made with

Each piston is made with an OE design to OE quality construction specifications

and resistance to fretting

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2017-2019 Duramax L5P Fluidampr Harmonic Damper (830141) 2003 - 2007 Dodge Cooling Systems Each piston is made withUsing only three parts (a laser welded sealed housing, an internal inertia ring, and highly viscous silicone fluid between the two), SFI approved Fluidampr harmonic dampers can control all crankshaft vibration not just a limited frequency range. As a result, you get reduced wear on the main bearings and timing gear, more stable valvetrain operation, and less chance of crank failure.