Part Number of Belt Tensioner and Pulley Assembly 17540-54L00, 1754054L00, 17540-78K00 Fit with Serpentine Belt 17521-54L31, fit with Extra Idler Pulley 17530-78K01 Fitment of Automatic Belt Drive Tensioner: For Suzuki Grand Vitara 2.4L L4 2009-2013 For Suzuki Kizashi 2.4L L4 2010-2013 For Suzuki SX4 2.0L L4 2010-2013 Please check car make, model, year and part number before purchase. Specification of Belt Tensioner and Pulley Assembly: Type: Tension Pulley Color: Black, Silver Tone Material: Metal Size: 13.5x7cm / 5.31"x2.76" Other Name: Tensioner Pulley, Drive Belt Idler Pulley, Belt Tensioner Include 1 x Accessory Drive Belt Tensioner Assembly Feature of Belt Tensioner & Bearing Pulley Replace the old or broken belt tensioner to avoid noisy tensioner pulley and no longer withstand belt noise. Achieve proper belt tension, alignment, ensure the well performance. The tensionn force is automatically adjusted to make the transmission system stable due to different tightness of the belt. Solid metal for wear resistance, not easy break or deform, ensure longer service life. Please allow slight dimension difference due to different manual measurements. This is a non-OEM product, accessory only!