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Superseded / ended 1983-10 PNC 21781 Japan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.

18RJ 2000CC RN39

Fits: Hilux RN3#,4#,LN3#,4#
Valid: 1981-10 → 1983-10
Model period: not recorded — this catalogue predates the field
Destination †: 02
Catalogue page †: 0103/0400

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

Shown on

Figure MF2025B Figure MF2355A Figure MF2405A Figure MF2760 Figure MF2762

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21776-44310	1979-10 → 1981-10	Superseded / ended 1981-10
21781-15230	1981-10 → 1988-09	Superseded / ended 1988-09
21781-30020	1978-08 → 1981-10	Superseded / ended 1981-10

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.