Replace Part Number: 12626222, 6PK2370, 12609719 Compatible With: Chevy Colorado/Express/Silverado/Suburban/Tiltmaster, GMC Canyon/Savana/Sierra/Sierra Denali/Yukon/Forward, ISUZU NPR, Workhorse W42/W62 Higher Quality: The materials selected typically have excellent resistance to abrasion, heat and corrosion, ensuring that the kit will operate reliably for long periods of time in harsh engine environments Function: Ensure that the drive belt always maintains the proper tension, supports the belt and guides it to run in a predetermined path, and reduces the vibration and noise generated by the belt during operation After-sales service: If you have any questions or need fitment information for your vehicle, please contact with us.We will assure you will get the best solution and service Compatible Car: 2009-2012 Chevy Colorado 5.3L 2009-2014 Chevy Express 1500 5.3L 2009-2020 Chevy Express 2500 (4.8L/6.0L) 2009-2020 Chevy Express 3500 (4.8L/6.0L) 2010-2020 Chevy Express 4500 2010-2020 Chevy Express Cargo 6.0L 2009-2014 Chevy Express Pasajeros 5.3L 2009-2020 Chevy Express Pasajeros 6.0L 2009-2013 Chevy Silverado 1500 (4.8L,5.3L,6.0L,6.2L) 2009-2019 Chevy Silverado 2500 HD 6.0L 2009-2019 Chevy Silverado 3500 HD 6.0L 2016-2019 Chevy Suburban 6.0L 2009-2014 Chevy Suburban 1500 2009-2013 Chevy Suburban 2500 6.0L 2016-2019 Chevy Suburban 3500 HD 2008-2009 Chevy Tiltmaster 2009-2012 GMC Canyon 5.3L 2009-2014 GMC Savana 1500 5.3L 2009-2020 GMC Savana 2500 (4.8L/6.0L) 2009-2020 GMC Savana 3500 (4.8L/6.0L) 2011-2017 GMC Savana 4500 2009-2013 GMC Sierra 1500 (For 4.8L,5.3L,6.0L,6.2L) 2009-2019 GMC Sierra 2500 HD 6.0L 2009-2019 GMC Sierra 3500 HD 6.0L 2010 GMC Sierra Denali 2009-2014 GMC Yukon 2009-2014 GMC Yukon XL 1500 2009-2013 GMC Yukon XL 2500 2008-2009 GMC Forward 2008-2020 ISUZU NPR 2010 Workhorse W42 2011 Workhorse W62 Replacement Part Number: 12626222, 6PK2370, 12609719 Package: 1 * Drive Belt Tensioner Kit