This Idler Pulley AYP Husqvarna 532139245 is the perfect replacement part for your AYP Husqvarna tractor. It is compatible with various models including LT120, LT1238, LT125, LT130, LT131, LT140, LT141, LT1538, LT16542, LT18542, LTH120, LTH125, LTH130, LTH1342, LTH140, LTH141, LTH145, LTH1742, LTH18542, LTH2042, YT150, YT160, YT180, YT190, YTH130, YTH142, YTH145, YTH150, and YTH180. The OEM part numbers for this idler pulley are 532127783, 532139245, 139245, 127783. It has an inner diameter of 3/8", outer diameter of 3-1/2", and a height of 1-1/8". Easily replace your worn out or damaged idler pulley with this high-quality replacement part to keep your tractor running smoothly.