Cap, Bleeder Plug(FOR DRUM BRAKE, FRONT)

31478-30010

Superseded / ended 1984-11 PNC 47548 Europe

Fitment

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

BU2#,3#,40,HU30,40,50,JU20,RU2#,30,WU40,50

Fits: Dyna RU2#,30,JU20,BU2#,3#,40,HU30,40,50,WU40
Valid: 1977-08 → 1984-11
Model period: not recorded — this catalogue predates the field
Destination †: 02
Catalogue page †: 0011/0150

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

Shown on

Figure MC7256B

Replacement history

Follow the number forward to what a dealer would supply today:

31478-30010 31478-0N010 31478-30010

The chain loops back on itself in the source data and is cut here.

Replaces

31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030 31478-01030

Interchangeable numbers

Number	Alternative	Effective
31478-01010	31478-30010	1990-08
31478-37040	31478-30010	2008-09

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 31478-30010.

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.