Gasket, Rear Axle Shaft

42321-55030

Superseded / ended 1984-08 PNC 42321 Japan

Fitment

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

BU40,41,5#

Fits: Dyna BU2#,3#,4#,5#
Valid: 1982-04 → 1984-08
Model period: not recorded — this catalogue predates the field
Destination †: 02
Catalogue page †: 0103/0150

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

Shown on

Figure MC5267F Figure MC5269E Figure MC5443H Figure MC8379C

Interchangeable numbers

Number	Alternative	Effective
42321-55030	42321-36020	1990-08

Other lines in this group

Part number	Period	Status
42321-36010	1977-08 → 1984-08	Superseded / ended 1984-08
42321-36020	1984-06 → 1984-08	Superseded / ended 1984-08

List price

¥280 Japan

Manufacturer list price with no history — indicative only.

This number everywhere

Every vehicle in every market that takes 42321-55030.

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.