Fuel tank cap O ring. 851 888, Monsters to 1000, SS, SL, S4, S4R, 900SSIE

Fuel tank cap O ring. 851 888 Monsters to 1000, SS, SL, S4, S4R. The one you replace when you pull the whole top fuel cap assembly out, so you can change pumps.  or swap outa filter.

Viton is the transportation industry's top choice when it comes to fuel system sealing. Viton retains sealing force to prevent leaks even after compression for long periods in severe environments. After 100 hours in air at 150°C (302°F), Viton retains more than 90% of its original sealing force, while seals of nitrile retain 40%. 

 Fits 

• DUC Ducati 1000 Monster (992 ccm, 2003 - 2004)
• DUC Ducati 1000 Monster (992 ccm, 2005 - 2005)
• DUC Ducati 1000 Monster S (992 ccm, 2003 - 2004)
• DUC Ducati 1000 Monster S (992 ccm, 2005 - 2005)
• DUC Ducati 1000 SS (992 ccm, 2003 - 2005)
• DUC Ducati 400 Monster (400 ccm, 2000 - 2003)
• DUC Ducati 400 Monster (400 ccm, 2004 - 2008)
• DUC Ducati 400 Monster Dark (400 ccm, 2005 - 2005)
• DUC Ducati 400 SS (400 ccm, 1991 - 1999)
• DUC Ducati 600 SS (600 ccm, 1994 - 1998)
• DUC Ducati 620 Monster (620 ccm, 2002 - 2003)
• DUC Ducati 620 Monster S (620 ccm, 2002 - 2003)
• DUC Ducati 620 Sport (620 ccm, 2003 - 2006)
• DUC Ducati 748 R (748 ccm, 2000 - 2002)
• DUC Ducati 748 S (748 ccm, 2000 - 2002)
• DUC Ducati 750 Monster (750 ccm, 2002 - 2002)
• DUC Ducati 750 Monster Dark (750 ccm, 2002 - 2002)
• DUC Ducati 750 SS (750 ccm, 1993 - 1997)
• DUC Ducati 750 SS Carenata (750 ccm, 1994 - 1998)
• DUC Ducati 750 SS i.e. Carenata (750 ccm, 1999 - 2002)
• DUC Ducati 750 SS i.e. Nuda (750 ccm, 1999 - 2002)
• DUC Ducati 750 SS Nuda (750 ccm, 1993 - 1996)
• DUC Ducati 800 Monster (802 ccm, 2003 - 2004)
• DUC Ducati 800 Monster Dark (802 ccm, 2003 - 2003)
• DUC Ducati 800 Monster S (802 ccm, 2003 - 2003)
• DUC Ducati 800 SS / S (800 ccm, 2003 - 2004)
• DUC Ducati 851 Racing (888 ccm, 1991 - 1992)
• DUC Ducati 888 Biposto (888 ccm, 1993 - 1993)
• DUC Ducati 888 Racing (888 ccm, 1993 - 1996)
• DUC Ducati 888 SP 5 (888 ccm, 1993 - 1993)
• DUC Ducati 888 Strada (888 ccm, 1993 - 1996)
• DUC Ducati 900 Monster Cromo i.e. (904 ccm, 2001 - 2001)
• DUC Ducati 900 Monster Dark i.e. (904 ccm, 2000 - 2001)
• DUC Ducati 900 Monster i.e. (904 ccm, 2000 - 2002)
• DUC Ducati 900 Monster i.e. Metallic (904 ccm, 2000 - 2001)
• DUC Ducati 900 Monster S i.e. (900 ccm, 2000 - 2001)
• DUC Ducati 900 SL (900 ccm, 1991 - 1991)
• DUC Ducati 900 SL (904 ccm, 1992 - 1997)
• DUC Ducati 900 SS (900 ccm, 1991 - 1991)
• DUC Ducati 900 SS (904 ccm, 1993 - 1996)
• DUC Ducati 900 SS i.e. (904 ccm, 1998 - 2002)
• DUC Ducati 916 Monster S4 (916 ccm, 2001 - 2003)
• DUC Ducati 996 Monster S4R (996 ccm, 2003 - 2006)