Cover Sub-assy, Timing Chain OR Belt

11321-78020

Superseded / ended 1987-08 PNC 11302 General

Fitment

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

1W 4000CC Diesel WU9#

Fits: Dyna RU75,85,YU6#,7#,8#,WU9#
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 MA7701A Figure MA7729 Figure MA7778

Interchangeable numbers

Number	Alternative	Effective
11321-78020	11321-78040	1993-05
11321-78020	11323-78020	1993-05
11321-78020	90119-08618	1993-05
11321-78020	90301-21003	1993-05

Other lines in this group

Part number	Period	Status
11302-35010	1984-09 → 1987-08	Superseded / ended 1987-08
11321-71010	1984-09 → 1987-08	Superseded / ended 1987-08

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 11321-78020.

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.