Plug, Feed Pump Piston Chamber

22521-77021

Superseded / ended 1988-08 PNC 22521 General

Fitment

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

12HT,2H HB3#

Fits: Coaster RB2#,BB2#,3#,HB3#,FB30,HDB30,HZB30
Valid: 1982-05 → 1988-08
Model period: not recorded — this catalogue predates the field
Destination †: 01
Catalogue page †: 0081/0190

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

Shown on

Figure MF3707B

Interchangeable numbers

Number	Alternative	Effective
22521-67010	22521-77021	1985-06
22521-77020	22521-77021	2009-07
S2284-51360	22521-77021	2009-07

Other lines in this group

Part number	Period	Status
22521-77021	1982-05 → 1988-08	Superseded / ended 1988-08
22521-77021	1988-08 → 1990-01	Superseded / ended 1990-01

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 22521-77021.

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.