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Fluidampr harmonic damper for 6.6L Duramax GM diesel engines (2001–2005, LLY/LB7). Its viscous damping controls harmful torsional vibration across the rpm range to reduce wear on critical engine parts and lower the risk of crankshaft failure while aiding timing accuracy. Precision CNC‑machined and balanced steel with black zinc finish and engraved timing marks. SFI 18.1 certified, no maintenance required, made in USA.
Fluidampr 6.6L GM Duramax 2001-2005 Steel Externally Balanced Damper
