Genuine Ducati part number 21110311A — Exhaust valve.

Where this part fits

This part number appears on the exploded views of the manufacturer's catalogue for the following models:

• S4R — 2007 to 2008 · drawing “Soupape”, item 5
• S4RS — 2006 to 2008 · drawing “Arbre a cames”, item 5
• S4RS Tricolore — 2008 · drawing “Arbre a cames”, item 5
• 999 S AMA Replica — 2007 · drawing “Soupape”, item 5
• 999 — 2003 to 2006 · drawing “Soupape”, item 5
• 999 S — 2003 to 2006 · drawing “Soupape”, item 5
• 998 Final Ed — 2004 · drawing “Soupape”, item 5
• 998 Final Ed Single Seat — 2004 · drawing “Soupape”, item 5
• 998 Matrix — 2004 · drawing “Soupape”, item 5
• 998 Matrix Single Seat — 2004 · drawing “Soupape”, item 5
• 998 — 2002 to 2003 · drawing “Soupape”, item 11
• 998 R — 2002 · drawing “Soupape”, item 5

… and 4 other models.

The same description can cover different part numbers depending on the trim and model year. If in doubt, send us your bike's VIN: we check the fit before shipping.