Arm Sub-assy, Valve Rocker, NO.1

13811-31021

Superseded / ended 1977-07 PNC 13801 General

Fitment

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

12R 1600CC RY10,12

Fits: Toyoace RY1#,JY16
Valid: 1973-07 → 1977-07
Model period: not recorded — this catalogue predates the field
Destination †: 04
Catalogue page †: 0502/0576

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

Shown on

Figure MA0492K Figure MA0581I Figure MA1199 Figure MA2888A Figure MA3915

Interchangeable numbers

Number	Alternative	Effective
13811-31021	13811-31H00	1977-05
13811-31020	13811-31021	1973-07

Other lines in this group

Part number	Period	Status
13811-31020	1971-09 → 1973-07	Superseded / ended 1973-07
13811-31022	1977-07 → 1979-02	Superseded / ended 1979-02
13811-44010	1972-07 → 1974-06	Superseded / ended 1974-06
13811-44020	1974-06 → 1975-01	Superseded / ended 1975-01
13811-44021	1975-01 → 1978-11	Superseded / ended 1978-11
13811-44022	1978-11 → 1979-02	Superseded / ended 1979-02
13811-48030	1972-07 → 1975-01	Superseded / ended 1975-01
13811-48031	1975-01 → 1979-02	Superseded / ended 1979-02

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 13811-31021.

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.