Plug, Main Passage(FOR CARBURETOR JET)

21781-30020

Superseded / ended 1983-10 PNC 21781 Japan

Fitment

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

12TJ 1600CC TT147

Fits: Corona TT14#,AT14#,ST140,RT141,YT140,CT14#,KT147
Valid: 1982-01 → 1983-10
Model period: not recorded — this catalogue predates the field
Destination †: 02
Catalogue page †: 0201/0300

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

Shown on

Figure MF2717C Figure MF2723G Figure MF2856B Figure MF3126E Figure MF3204C

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
21781-15230	1982-01 → 1987-12	Superseded / ended 1987-12
21781-15230	1982-01 → 1987-12	Superseded / ended 1987-12
21781-15230	1982-01 → 1987-12	Superseded / ended 1987-12

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.