The Cummins harmonic damper for the 2003-2007 Dodge Turbo Diesel with a 5.9L engine is an OEM replacement and is designed to be used for stock applications. Not designed for use in hi-performance applications.
This is an engine part that often has very little attention paid to it. The harmonic damper in your Dodge Turbo Diesel does deserve your attention and should be inspected regularly.
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