Specifications Hign-concerned Chemical:None Model Name:GL1500 The diaphragm itself does not have separate part number and the reference HONDA part numbers for the entire Diaphragm Valve Assemblies are 16111-MN5-004 16111-MY4-000 This Honda 16111-MN5-004 PISTON, VACUUM is used on these models and components: 1988 GL1500 A 1988 GL1500 AC 1989 GL1500 A 1989 GL1500 AC 1990 GL1500 A 1990 GL1500 AC 1990 GL1500SE A 1990 GL1500SE AC 1991 GL1500A A 1991 GL1500A AC 1991 GL1500I A 1991 GL1500I AC 1991 GL1500SE A 1991 GL1500SE AC This Honda 16111-MY4-000 PISTON, VACUUM is used on these models and components: 1992 GL1500A A 1992 GL1500A AC 1992 GL1500I A 1992 GL1500I AC 1992 GL1500SE A 1992 GL1500SE AC 1993 GL1500A A 1993 GL1500A AC 1993 GL1500I A 1993 GL1500I AC 1993 GL1500SE A 1993 GL1500SE AC 1994 GL1500A A 1994 GL1500A AC 1994 GL1500I A 1994 GL1500I AC 1994 GL1500SE A 1994 GL1500SE AC 1995 GL1500A A 1995 GL1500A AC 1995 GL1500I A 1995 GL1500I AC 1995 GL1500SE A 1995 GL1500SE AC 1996 GL1500A A 1996 GL1500A AC 1996 GL1500I A 1996 GL1500I AC 1996 GL1500SE A 1996 GL1500SE AC 1997 GL1500A A 1997 GL1500A AC 1997 GL1500SE A 1997 GL1500SE AC 1998 GL1500A A 1998 GL1500A AC 1998 GL1500SE A 1998 GL1500SE AC 1999 GL1500A A 1999 GL1500A AC 1999 GL1500SE A 1999 GL1500SE AC 2000 GL1500A A 2000 GL1500A AC 2000 GL1500SE A 2000 GL1500SE AC Condition: 100% new Quantity: 2pcs / 4pcs / 8pcs