OEM Aprilia External Thermostat -#848140 (ex AP8560234) (ex AP8570033) (ex 844566)
For Aprilia: 2003-2006 Scarabeo 500, 2001-2004 Atlantic 500
For Piaggio: '07-'11 MP3 400, '07-'11 MP3 500, '16-'18 MP3 500 Sport/Business ABS, BV500, X9 500.
*Please note: The 500cc engines can have either an External Thermostat or an Internal Thermostat 834484. Compare you bike carefully with the photos before ordering.