Genuine Ducati part number 729441542 — Elastic-stop ring nut.

Where this part fits

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

• 749 S — 2003 to 2006 · drawing “Courroie distribution”, item 21
• S4R — 2003 to 2006 · drawing “Arbre a cames”, item 1
• 1000 SS — 2003 to 2005 · drawing “Arbre a cames”, item 1
• 400 — 2000 to 2005 · drawing “Arbre a cames”, item 1
• 400 Dark — 2005 · drawing “Courroie distribution”, item 11
• 400 Dark JAP — 2005 · drawing “Arbre a cames”, item 1
• 620 — 2002 to 2005 · drawing “Courroie distribution”, item 11
• 620 Dark — 2005 · drawing “Arbre a cames”, item 1
• 620 Dark Single Disc — 2005 · drawing “Courroie distribution”, item 11
• 749 Dark — 2004 to 2005 · drawing “Courroie distribution”, item 21
• 749 R — 2004 to 2005 · drawing “Courroie distribution”, item 21
• 800 SS — 2003 to 2005 · drawing “Arbre a cames”, item 1

… and 71 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.