Cap, Bleeder Plug(FOR RELEASE CYLINDER)

31478-30010

Superseded / ended 1987-08 PNC 31478 Europe

Fitment

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

BU6#,7#,8# 5F Mtm, 5-Speed Floor Shift

Fits: Dyna BU6#,7#,8#
Valid: 1984-09 → 1987-08
Model period: not recorded — this catalogue predates the field
Destination †: 01
Catalogue page †: 0151/0300

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

Shown on

Figure MCB423A

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.