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Superseded / ended 1982-01 PNC 21781 Japan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.

12R 1600CC RY20

Fits: Toyoace RY2#,3#,LY2#,3#,JY30,BY3#
Valid: 1979-03 → 1982-01
Model period: not recorded — this catalogue predates the field
Destination †: 02
Catalogue page †: 0001/0040

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

Shown on

Figure MF2041H Figure MF2147A Figure MF2790 Figure MF2791B

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
21776-44310	1979-03 → 1985-07	Superseded / ended 1985-07
21781-15230	1982-01 → 1985-07	Superseded / ended 1985-07

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.