1Pcs Drive Belt Tensioner. 1Pcs Idler Pulley. Fit for Chevrolet Silverado 1500 2500 3500 HD 2009-2013. Fit for Chevrolet Avalanche 5.3L 2009-2013. Fit for Chevrolet Colorado 5.3L 2009-2012. Fit for Chevrolet Suburban 1500 (submodel: LS, LT, LTZ), FLEX 2009-2014.
