Belt Tensioner: 04854089AB,4854089AB,04854089AFitment of Automatic Belt Drive Tensioner: for 70mm Diameter Pulley For Jeep Grand Cherokee MK II WG,WJ 4.0 SUV 1999-2004 For Jeep Wrangler MK II TJ 4.0 SUV 1998-2007 Specification of Belt Tensioner and Pulley Assembly: Type: Tension Pulley Color: Black, Silver Tone Material: Metal Size: 14.5x7x5cm / 5.71"x2.76"x1.97"(L*W*H) Thread Size: M8 x 1.25 Other Name: Tensioner Pulley, Drive Belt Idler Pulley, Belt Tensioner Include 1 x Accessory Drive Belt Tensioner Assembly Feature of Belt Tensioner w/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. Torsional round spring provides reliability and consistent tension 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!