This spacer fits on to the gaitered top seat control lever and can be found on the following equipments: HIAB 133K, HIAB 166K, HIAB 185K, HIAB 225K, HIAB 335K HIAB 095, HIAB 175, HIAB 195, HIAB 200, HIAB 220, HIAB 122, HIAB 144, HIAB 166, HIAB 244, HIAB 288, also fitted on older models, Hiab 071, Hiab 100, Hiab 140, Hiab 650 etc