This horn is original Ducati and has spare part code 51640031B. After careful checks and inspections our technicians have found the following conditions: good condition - slight signs - working - original. This horn is compatible with the following Ducati models: monster 695 2006 2008 / monster s4 / monster s4 r 2003 2005 / monster s4 r 2006 2008 / monster s4rs / monster 620 2002 2006 / monster 620 dark 2003 2006 / monster 620 s 2002 2003 / monster 800 s / monster 1000 2003 2005 / monster 1000 s 2003 2005 /