Performance Overview

The CMX 8-56999 Disc Brake Rotor is designed as a direct replacement part for compatible Chevrolet, GMC select vehicles applications. It is built to support reliable performance, proper fitment, and straightforward installation when replacing a worn or damaged component.

Installation Position: Front

Key Features

• Make sure to buy two (2)!
• (One for left side and one for right side)
• Engineered with carbon-enhanced XCast™ (G3000) iron castings to achieve an optimal wear resistance
• tensile strength and steel hardness providing unmatched braking performance
• 100% Precision Spin and Mill-Balanced for smoother stopping and zero vibration at any speed

Interchange Numbers

Interchange / Cross Reference Part Numbers: AC55062, AG55062, CR55062, PR55062, 55062, YH145317, YH145317C, YH145317HC, YH145317P, SEE, 120.66042, BR55062, 55430, 2055062, ONZ1074, 24886999, 34886999, 74886999, 125779, Q55062, 56999FZN, 56999R, 56999, A55062

Please compare these interchange numbers with your original part number and confirm vehicle compatibility before ordering.

Vehicle Fitment

Review the vehicle fitment list below to confirm this part matches your vehicle before purchase.

• 2001 Chevrolet Silverado 3500
• 2002 Chevrolet Silverado 3500
• 2003 Chevrolet Silverado 3500
• 2001 GMC Sierra 3500
• 2002 GMC Sierra 3500
• 2003 GMC Sierra 3500
• 2003 Chevrolet Express 3500
• 2004 Chevrolet Express 3500
• 2005 Chevrolet Express 3500
• 2006 Chevrolet Express 3500
• 2007 Chevrolet Express 3500
• 2008 Chevrolet Express 3500
• 2009 Chevrolet Express 3500
• 2010 Chevrolet Express 3500
• 2011 Chevrolet Express 3500
• 2012 Chevrolet Express 3500
• 2013 Chevrolet Express 3500
• 2014 Chevrolet Express 3500
• 2003 GMC Savana 3500
• 2004 GMC Savana 3500
• 2005 GMC Savana 3500
• 2006 GMC Savana 3500
• 2007 GMC Savana 3500
• 2008 GMC Savana 3500
• 2009 GMC Savana 3500
• 2010 GMC Savana 3500
• 2011 GMC Savana 3500
• 2012 GMC Savana 3500
• 2013 GMC Savana 3500
• 2004 Chevrolet Silverado 3500
• 2005 Chevrolet Silverado 3500
• 2006 Chevrolet Silverado 3500
• 2004 GMC Sierra 3500
• 2005 GMC Sierra 3500
• 2006 GMC Sierra 3500
• 2007 Chevrolet Silverado 3500 Classic
• 2007 Chevrolet Silverado 3500 HD
• 2008 Chevrolet Silverado 3500 HD
• 2009 Chevrolet Silverado 3500 HD
• 2010 Chevrolet Silverado 3500 HD
• 2007 GMC Sierra 3500 Classic
• 2007 GMC Sierra 3500 HD
• 2008 GMC Sierra 3500 HD
• 2009 GMC Sierra 3500 HD
• 2010 GMC Sierra 3500 HD
• 2009 Chevrolet Express 4500
• 2010 Chevrolet Express 4500
• 2011 Chevrolet Express 4500
• 2012 Chevrolet Express 4500
• 2013 Chevrolet Express 4500
• 2014 Chevrolet Express 4500
• 2015 Chevrolet Express 4500
• 2016 Chevrolet Express 4500
• 2017 Chevrolet Express 4500
• 2018 Chevrolet Express 4500
• 2019 Chevrolet Express 4500
• 2020 Chevrolet Express 4500
• 2021 Chevrolet Express 4500
• 2022 Chevrolet Express 4500
• 2009 GMC Savana 4500
• 2010 GMC Savana 4500
• 2011 GMC Savana 4500
• 2012 GMC Savana 4500
• 2013 GMC Savana 4500
• 2014 GMC Savana 4500
• 2015 GMC Savana 4500
• 2016 GMC Savana 4500
• 2017 GMC Savana 4500
• 2018 GMC Savana 4500
• 2019 GMC Savana 4500
• 2020 GMC Savana 4500
• 2021 GMC Savana 4500
• 2022 GMC Savana 4500
• 2023 GMC Savana 4500
• 2014 GMC Savana 3500
• 2015 GMC Savana 3500
• 2016 GMC Savana 3500
• 2017 GMC Savana 3500
• 2018 GMC Savana 3500
• 2019 GMC Savana 3500
• 2020 GMC Savana 3500
• 2021 GMC Savana 3500
• 2022 GMC Savana 3500
• 2023 GMC Savana 3500
• 2024 GMC Savana 3500
• 2015 Chevrolet Express 3500
• 2016 Chevrolet Express 3500
• 2017 Chevrolet Express 3500
• 2018 Chevrolet Express 3500
• 2019 Chevrolet Express 3500
• 2020 Chevrolet Express 3500
• 2021 Chevrolet Express 3500
• 2022 Chevrolet Express 3500
• 2023 Chevrolet Express 3500
• 2024 Chevrolet Express 3500

Vehicle Fitment Table