Aftermarket accelerator pump diaphragm with spring, o-ring, and shaft cover. All parts shown in picture.
Shaft is 54.1mm long.
Fitment list provided for reference. Please make sure your bike is in the list!
Matches these Honda part numbers below.
Part # = 16021-413-751 Part Description = DIAPHRAGM SET, PUMP Model Count = 18 CB400T-A 1980 400 Hawk 400 Street CB400T-B 1981 400 Hawk 400 Street CM400A-A 1980 400 Hondamatic 400 Street CM400A-B 1981 400 Hondamatic 400 Street CM400C-B 1981 400 CM400C Custom Street CM400E-A 1980 400 CM400E Street CM400E-B 1981 400 CM400E Street CM400T-A 1980 400 CM400T Touring Street CM400T-B 1981 400 CM400T Touring Street CX500C-A 1980 500 CX500C Custom Street CX500C-B 1981 500 CX500C Custom Street CX500C-C 1982 500 CX500C Custom Street CX500D-A 1980 500 CX500D Deluxe Street CX500D-B 1981 500 CX500D Deluxe Street GL500-B 1981 500 GL500 Silver Wing Touring GL500-C 1982 500 GL500 Silver Wing Touring GL500I-B 1981 500 GL500I Silver Wing Interstate Touring GL500I-C 1982 500 GL500I Silver Wing Interstate Touring
Part # = 16021-438-671 Part Description = DIAPHRAGM SET, PUMP Model Count = 7 CB450SC-C 1982 450 Nighthawk 450 Street CB450T-C 1982 450 Hawk 450 Street CB900F-B 1981 900 900 Super Sport Street CB900F-C 1982 900 900 Super Sport Street CM250C-D 1983 250 CM250C Custom Street CM450C-C 1982 450 CM450C Custom Street CM450E-C 1982 450 CM450E Street
Part # = 16021-463-004 Part Description = DIAPHRAGM SET, PUMP Model Count = 10 GL1100-A 1980 1100 GL1100 Goldwing Standard Street GL1100A-C 1982 1100 GL1100A Goldwing Aspencade Touring GL1100A-D 1983 1100 GL1100A Goldwing Aspencade Touring GL1100-B 1981 1100 GL1100 Goldwing Stan