Sliders should be changed on every service when rollers are replaced. Equivalent to Piaggio part number B017219 - 1A015664 (PIAGGIO). Sliders PIAGGIO. OEM number(s): B017219 - 1A015664 (PIAGGIO. for Vespa LX/S/946 3V i.e. 125-150ccm 4T AC, 3-Ventil. ).
