Plug, Feed Pump Piston Chamber

22521-77020

Superseded / ended 1984-08 PNC 22521 Europe

Fitment

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

2H 4000CC Diesel HU40,50

Fits: Dyna RU2#,30,JU20,BU2#,3#,40,HU30,40,50,WU40
Valid: 1982-04 → 1984-08
Model period: not recorded — this catalogue predates the field
Destination †: 01
Catalogue page †: 0103/0150

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

Shown on

Figure MF2685 Figure MF3119

Interchangeable numbers

Number	Alternative	Effective
22521-77020	22521-77021	2009-07

Other lines in this group

Part number	Period	Status
22521-77020	1977-08 → 1981-04	Superseded / ended 1981-04
22521-77020	1977-08 → 1981-04	Superseded / ended 1981-04
22521-77021	1977-08 → 1984-11	Superseded / ended 1984-11
22521-77021	1977-08 → 1984-11	Superseded / ended 1984-11

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 22521-77020.

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.