39083 Drive Belt Tensioner Pulley Assembly Kit Compatible with Chevy Silverado/Suburban 1500 2500 3500 HD, Avalanche 2009-2013, Tahoe 2009-2014, GMC Yukon Sierra, Cadillac Escalade 2009-2014

Replacement Part Number: 39083; 12609719; 89397; 89253; 49275; 19193110; 12554027; KR-90253; 38009; 49003; 49436; 999366A. Compatible with Cadillac: Escalade 6.0L 6.2L 2009-2014; Escalade ESV 6.2L 2009-2014; Escalade EXT 6.2L 2009-2013 / Compatible with Hummer: H2 6.2L 2009; H3 5.3L 2009-2010. Compatible with Chevy: Avalanche 5.3L 2009-2013; Colorado 5.3L 2009-2012; Express 1500 5.3L 2009-2014; Silverado 1500 2500 3500 HD 2009-2013; Suburban 1500 (submodel: LS, LT, LTZ), FLEX 2009-2014; Suburban 2500 (submodel: LS, LT), FLEX 2010-2013; Suburban 3500 HD (submodel: LS, LT) 2017-2019; Tahoe (submodel: LS, LT, LTZ), FLEX 2009-2014; Tahoe (submodel: PPV, SSV), FLEX 2012-2014. Compatible with GMC: Canyon 5.3L 2009-2012; Savana 1500 2009-2014; Sierra 1500 SLE/SLT/ WT/XFE, FLEX 2010-2013; Sierra 2500 HD SLE/SLT/WT, GAS 2009-2014; Sierra 2500 HD (submodel: SLE, SLT, WT), FLEX 2010-2014; Sierra 2500 HD (submodel: SLE, SLT, WT), CNG 2013-2014; Sierra 2500 HD (submodel: Base, Denali, SLE, SLT) 2017-2019; Sierra 2500 HD Base CNG/FLEX/GAS, Denali FLEX/GAS 2015-2016; Sierra 2500/3500 HD Denali, FLEX 2011-2014; Yukon XL 1500 5.3L/6.0L/6.2L 2009-2013. Improve Engine Performance: Accurately maintain belt tension, prevent skidding, abnormal noise or breakage, avoid damage to key components, and improve driving safety and engine stability