Alternator cover sight glass. Replaces 25410011A. 30mm. 1991-2003 ish.

Alternator Sight glass. Ducati spare part 25410011A. 

 Handy when youre refurbishing engine covers , restoring that old rattler. 

• DUC Ducati 1000 GT (1000 ccm, 2007 - 2010)
• DUC Ducati 1000 GT Touring (992 ccm, 2009 - 2010)
• DUC Ducati 1000 Monster (992 ccm, 2003 - 2004)
• DUC Ducati 1000 Monster (992 ccm, 2005 - 2005)
• DUC Ducati 1000 Monster S2R (1000 ccm, 2006 - 2008)
• DUC Ducati 1000 Monster S (992 ccm, 2003 - 2004)
• DUC Ducati 1000 Monster S (992 ccm, 2005 - 2005)
• DUC Ducati 1000 Sport (1000 ccm, 2006 - 2009)
• DUC Ducati 1000 Sportclassic GT (1000 ccm, 2007 - 2010)
• DUC Ducati 1000 Sportclassic GT Touring (1000 ccm, 2009 - 2009)
• DUC Ducati 1000 Sportclassic Paul Smart LE (992 ccm, 2006 - 2006)
• DUC Ducati 1000 Sportclassic S (1000 ccm, 2007 - 2010)
• DUC Ducati 1000 Sportclassic Sport (1000 ccm, 2007 - 2008)
• DUC Ducati 1000 Sportclassic Sport Biposto (1000 ccm, 2007 - 2008)
• DUC Ducati 1000 Sportclassic Sport S (1000 ccm, 2007 - 2009)
• DUC Ducati 1000 Sport S (992 ccm, 2006 - 2009)
• DUC Ducati 1000 SS (992 ccm, 2003 - 2005)
• DUC Ducati 400 Monster (400 ccm, 1994 - 1997)
• 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 620 Monster (620 ccm, 2002 - 2003)
• DUC Ducati 620 Monster (620 ccm, 2004 - 2006)
• DUC Ducati 620 Monster Dark (620 ccm, 2004 - 2006)
• DUC Ducati 620 Monster S (620 ccm, 2002 - 2003)
• DUC Ducati 620 Multistrada (620 ccm, 2005 - 2006)
• DUC Ducati 620 Multistrada Dark (620 ccm, 2005 - 2006)
• DUC Ducati 620 Sport (620 ccm, 2003 - 2006)
• DUC Ducati 695 Monster (695 ccm, 2007 - 2008)
• DUC Ducati 748 Biposto (748 ccm, 1995 - 1999)
• DUC Ducati 748 Biposto (748 ccm, 2000 - 2003)
• DUC Ducati 748 R (748 ccm, 2000 - 2002)
• DUC Ducati 748 S (748 ccm, 1997 - 1998)
• DUC Ducati 748 S (748 ccm, 2000 - 2002)
• DUC Ducati 748 SP (748 ccm, 1995 - 1997)
• DUC Ducati 748 SPS (748 ccm, 1999 - 1999)
• DUC Ducati 750 Sport (750 ccm, 1988 - 1989)
• DUC Ducati 750 SS (750 ccm, 1993 - 1997)
• DUC Ducati 750 SS i.e. Carenata (750 ccm, 1999 - 2002)
• DUC Ducati 750 SS i.e. Nuda (750 ccm, 1999 - 2002)
• DUC Ducati 800 Monster (802 ccm, 2003 - 2004)
• DUC Ducati 800 Monster Dark (802 ccm, 2003 - 2003)
• DUC Ducati 800 Monster S2R (803 ccm, 2005 - 2007)
• 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 851 S (851 ccm, 1992 - 1992)
• DUC Ducati 851 SP (851 ccm, 1989 - 1989)
• DUC Ducati 888 Biposto (888 ccm, 1993 - 1993)
• DUC Ducati 888 Racing (888 ccm, 1993 - 1996)
• DUC Ducati 888 SP 2 (888 ccm, 1990 - 1990)
• DUC Ducati 888 SP 3 (888 ccm, 1991 - 1991)
• DUC Ducati 888 SP 4 (888 ccm, 1992 - 1992)
• DUC Ducati 888 SP 5 (888 ccm, 1993 - 1993)
• DUC Ducati 888 Strada (888 ccm, 1993 - 1996)
• DUC Ducati 900 MH Evolution (900 ccm, 2001 - 2002)
• 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 (900 ccm, 1998 - 1999)
• 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 906 Paso (904 ccm, 1989 - 1992)
• DUC Ducati 907 Paso i.e. (907 ccm, 1990 - 1993)
• DUC Ducati 916 Monster S4 (916 ccm, 2001 - 2003)
• DUC Ducati 916 S - Biposto (916 ccm, 1994 - 1998)
• DUC Ducati 916 Senna (916 ccm, 1995 - 1998)
• DUC Ducati 916 SP (916 ccm, 1994 - 1996)
• DUC Ducati 916 SPS (996 ccm, 1997 - 1998)
• DUC Ducati 916 ST4 (916 ccm, 1999 - 2003)
• DUC Ducati 944 ST2 (944 ccm, 1997 - 2003)
• DUC Ducati 996 Biposto (996 ccm, 1999 - 2002)
• DUC Ducati 996 R (996 ccm, 2001 - 2001)
• DUC Ducati 996 S - SPS (996 ccm, 1999 - 2000)
• DUC Ducati 996 ST4 S (996 ccm, 2001 - 2003)
• DUC Ducati 996 ST4 S (996 ccm, 2003 - 2003)
• DUC Ducati 996 ST4 S (996 ccm, 2004 - 2006)
• DUC Ducati 998 (998 ccm, 2002 - 2004)
• DUC Ducati 998 R (999 ccm, 2002 - 2002)
• DUC Ducati 998 S (997 ccm, 2002 - 2002)
• DUC Ducati Monster 600 (583 ccm, 1994 - 1998)
• DUC Ducati Monster 600 (583 ccm, 1994 - 1998)
• DUC Ducati Monster 600 (583 ccm, 1999 - 2001)
• DUC Ducati Monster 600 City (583 ccm, 1999 - 2001)
• DUC Ducati Monster 600 City Dark (583 ccm, 1999 - 2001)
• DUC Ducati Monster 600 Dark (583 ccm, 1998 - 1998)
• DUC Ducati Monster 600 Dark (583 ccm, 1999 - 2001)
• DUC Ducati Monster 600 Metallic (583 ccm, 2000 - 2001)
• DUC Ducati Monster 750 (750 ccm, 1996 - 2001)
• DUC Ducati Monster 750 (750 ccm, 2002 - 2002)
• DUC Ducati Monster 750 Dark (750 ccm, 1996 - 2001)
• DUC Ducati Monster 750 Dark (750 ccm, 2002 - 2002)
• DUC Ducati Monster 750 Metallic (750 ccm, 1996 - 2001)
• DUC Ducati Monster 900 (904 ccm, 1993 - 1999)
• DUC Ducati Monster 900 Cromo (900 ccm, 1998 - 1999)
• DUC Ducati Monster 900 Dark (904 ccm, 1999 - 1999)
• DUC Ducati Monster S4R (996 ccm, 2003 - 2006)
• DUC Ducati Supersport 400 SS (400 ccm, 1991 - 1999)
• DUC Ducati Supersport 600 SS Carenata / Nuda (600 ccm, 1994 - 1998)
• DUC Ducati Supersport 750 SS Carenata (750 ccm, 1994 - 1998)
• DUC Ducati Supersport 750 SS Nuda (750 ccm, 1991 - 1998)