Plug, Main Passage(FOR CARBURETOR JET)

21789-21030

Superseded / ended 1970-10 PNC 21781 Japan

Fitment

Codes the factory prints against this line. Hover for the catalogue's own expansion.

KB 1100CC Twin Caburetor KP30

Fits: Publica UP3#,KP3#,50
Valid: 1969-04 → 1970-10
Model period: not recorded — this catalogue predates the field
Destination †: 02
Catalogue page †

† Read from the record layout but confirmed by no published legend.

Shown on

Figure MF0541E Figure MF0543C Figure MF0847B Figure MF0850B Figure MF0855B Figure MF1423C Figure MF1474 Figure MF2093F Figure MF2786A

Interchangeable numbers

Number	Alternative	Effective
21789-21060	21789-21030	2009-07

Other lines in this group

Part number	Period	Status
21677-22010	1969-04 → 1973-04	Superseded / ended 1973-04
21677-22010	1969-04 → 1973-04	Superseded / ended 1973-04
21677-24060	1970-10 → 1973-04	Superseded / ended 1973-04
21781-15230	1982-01 → 1988-08	Superseded / ended 1988-08
21781-30020	1973-04 → 1982-01	Superseded / ended 1982-01

List price

Not priced in this market.

Only the Japanese dataset ships a price file. Add the part to an enquiry to ask a seller for a quote.

This number everywhere

Every vehicle in every market that takes 21789-21030.

Show all applications

No quantity, deliberately

The factory catalogue records which parts a vehicle takes, never how many. Quantity was always typed in by the parts counter when raising an order, so nothing here can tell you whether you need one or four.