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USD 563.55
Part #: FD830121

Fluidampr Performance Diesel Series Damper 830121

2011-2016 GM 6.6L Duramax LML/LGH
Part #: FD830121
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Replace the out-of-balance damper on your 2011-2016 GM 6.6L Duramax LML/LGH with a superior quality Fluidampr Performance Diesel Series Damper 830121. This American made damper is engineered to suppress damaging engine harmonic that can shorten the life of your engine. 

The Fluidampr Performance Diesel Series Damper 830121 is designed to remove the torsional vibrations that can cause damage to your crankshaft and main bearings. This viscous performance damper does not require rebuilding due to wear or tuning for a specific RPM band that is required of other rubber-based aftermarket dampers. Engineered, machined and balance in a state-of-the-art facility and zinc coated for longevity, this damper is designed to last a lifetime.  

  • OD: 8" 
  • Weight: 24 Lbs
  • Material: Steel
  • Black Zinc Finish
  • Made In The USA
  • Externally Balanced
  • Reduces Harmful Engine Vibrations
  • Never Needs To Be Rebuilt Or Tuned 

Vehicle Applications

2011 Chevy 6.6L LML Duramax
2012 Chevy 6.6L LML Duramax
2013 Chevy 6.6L LML Duramax
2014 Chevy 6.6L LML Duramax
2015 Chevy 6.6L LML Duramax
2016 Chevy 6.6L LML Duramax
2011 GMC 6.6L LML Duramax
2012 GMC 6.6L LML Duramax
2013 GMC 6.6L LML Duramax
2014 GMC 6.6L LML Duramax
2015 GMC 6.6L LML Duramax
2016 GMC 6.6L LML Duramax


  • MFG. Number 830121
  • Manufacturer Name Fluidampr (Horschel)
  • Shipping Weight 24.00 lb.
  • Shipping Length 11.5 in.
  • Shipping Width 11.5 in.
  • Shipping Height 6.5 in.
  • Fuel Type Diesel
  • UPC 815293002439
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal L3.00R0.00


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