Plug, Main Passage(FOR CARBURETOR JET)

21781-30020

Superseded / ended 1982-01 PNC 21781 Japan

Fitment

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

2K,3K,3KB#,3KHJ,3KU KP3#,50

Fits: Publica UP3#,KP3#,50
Valid: 1973-04 → 1982-01
Model period: not recorded — this catalogue predates the field
Destination †: 02
Catalogue page †: 0020/0340

† 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
21781-30020	21781-16510	2000-10
21781-40010	21781-30020	1990-08

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21677-22010	1969-04 → 1973-04	Superseded / ended 1973-04
21677-22010	1969-04 → 1973-04	Superseded / ended 1973-04
21677-24060	1970-10 → 1973-04	Superseded / ended 1973-04
21781-15230	1982-01 → 1988-08	Superseded / ended 1988-08
21789-21030	1969-04 → 1970-10	Superseded / ended 1970-10

List price

¥740 Japan

Manufacturer list price with no history — indicative only.

This number everywhere

Every vehicle in every market that takes 21781-30020.

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.