Rotary 12644 Idler Pulley Replaces: AYP 179114; Flymo 532 17 91-14; Husqvarna 532179114; Jonsered 532 17 91-14; Partner 532 17 91-14; Poulan 532179114 Fits: AYP 2001 and newer mowers Height: 2 1/8" ID: 3/8" OD: 3 1/2"