Plug, Main Passage(FOR CARBURETOR JET)

21781-30020

Superseded / ended 1982-01 PNC 21781 United States

Fitment

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

20R,22R RN3#,4#

Fits: Pickup RN3#,4#,LN40
Valid: 1978-08 → 1982-01
Model period: not recorded — this catalogue predates the field
Destination †: 02
Catalogue page †: 0001

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

Shown on

Figure MF2054E Figure MF2055D Figure MF2274B Figure MF2275D Figure MF2568D Figure MF2569E Figure MF2570Z Figure MF2940B Figure MF2941

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21781-15230	1982-01 → 1983-07	Superseded / ended 1983-07

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 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.