Arm Sub-assy, Valve Rocker, NO.1

13811-78011

Superseded / ended 1984-08 PNC 13801 Europe

Fitment

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

1W 4000CC Diesel WU40,50

Fits: Dyna RU2#,30,JU20,BU2#,3#,40,HU30,40,50,WU40
Valid: 1983-04 → 1984-08
Model period: not recorded — this catalogue predates the field
Destination †: 04
Catalogue page †: 0115/0150

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

Shown on

Figure MA0250D Figure MA0837G Figure MA0946F Figure MA2888F Figure MA4681D Figure MA4861B Figure MA6631

Interchangeable numbers

Number	Alternative	Effective
13811-78011	13811-E0090	2011-09

Other lines in this group

Part number	Period	Status
13811-44021	1977-08 → 1978-11	Superseded / ended 1978-11
13811-44022	1978-11 → 1984-08	Superseded / ended 1984-08
13811-47020	1977-08 → 1981-04	Superseded / ended 1981-04
13811-48031	1977-08 → 1979-04	Superseded / ended 1979-04
13811-56010	1977-08 → 1980-08	Superseded / ended 1980-08
13811-56020	1980-08 → 1984-11	Superseded / ended 1984-11
13811-68010	1982-04 → 1984-03	Superseded / ended 1984-03
13811-68011	1984-03 → 1984-08	Superseded / ended 1984-08

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 13811-78011.

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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.