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USD 301.6 301.6 307.13
Part #:

StopTech Sport Slotted Disc Brake Rotor

Vehicle Fitment:
2011-2019 GM 2500HD/3500HD | See full application list below
Part #:
FROM 301.6
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Upgrade the brakes in your 2011-2019 GM 2500HD/3500HD with the high performance StopTech Sport Slotted Disc Brake Rotor. The slotted rotors provide better bite for the pads by allowing hot gases and brake dust to escape out of the slots. The StopTech rotors will give you an aggressive new look, and helps your truck stop better compared to the OE brakes.

  • Slotted Rotors
  • Reduced Brake Fade
  • Helps Release Brake Gases

Application Notes:
Part Number 126.66074SL Fits 2011-2019 GM 2500HD/3500HD 2WD/4WD (SRW)
Part Number 126.66074SR Fits 2011-2019 GM 2500HD/3500HD 2WD/4WD (SRW)
Part Number 126.66075SL Fits 2011-2019 GM 3500HD 2WD/4WD (DRW)
Part Number 126.66075SR Fits 2011-2019 GM 3500HD 2WD/4WD (DRW)
Part Number 126.66077SL Fits 2011-2019 GM 2500HD/3500HD 2WD/4WD (SRW)
Part Number 126.66077SR Fits 2011-2019 GM 2500HD/3500HD 2WD/4WD (SRW)

Vehicle Fitment

2011 GMC 6.6L LML Duramax
2011 Chevy 6.6L LML Duramax
2012 GMC 6.6L LML Duramax
2012 Chevy 6.6L LML Duramax
2013 GMC 6.6L LML Duramax
2013 Chevy 6.6L LML Duramax
2014 GMC 6.6L LML Duramax
2014 Chevy 6.6L LML Duramax
2015 GMC 6.6L LML Duramax
2015 Chevy 6.6L LML Duramax
2016 GMC 6.6L LML Duramax
2016 Chevy 6.6L LML Duramax
2017 GMC 6.6L L5P Duramax
2017 Chevy 6.6L L5P Duramax
2018 GMC 6.6L L5P Duramax
2018 Chevy 6.6L L5P Duramax
2019 GMC 6.6L L5P Duramax
2019 Chevy 6.6L L5P Duramax
2011 GMC Gas
2011 Chevy Gas
2012 GMC Gas
2012 Chevy Gas
2013 GMC Gas
2013 Chevy Gas
2014 GMC Gas
2014 Chevy Gas
2015 GMC Gas
2015 Chevy Gas
2016 GMC Gas
2016 Chevy Gas
2017 GMC Gas
2017 Chevy Gas
2018 GMC Gas
2018 Chevy Gas
2019 GMC Gas
2019 Chevy Gas

Product Options

126.66074SL Front SRW Left
126.66074SR Front SRW Right
126.66075SL Rear DRW Left
126.66075SR Rear DRW Right
126.66077SL Rear SRW Left
126.66077SR Rear SRW Right


  • Manufacturer Name StopTech
  • Shipping Weight 37.00 lb.
  • Shipping Length 16 in.
  • Shipping Width 16 in.
  • Shipping Height 5 in.
  • Fuel Type Diesel / Gas
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal LR


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