Gear OR Sprocket, Crankshaft Timing

13521-78010

Superseded / ended 1987-08 PNC 13521 Europe

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 MA6630A Figure MA7798A Figure MA9168

Interchangeable numbers

Number	Alternative	Effective
13521-78010	13521-78060	2003-10

Other lines in this group

Part number	Period	Status
13521-33010	1984-09 → 1987-08	Superseded / ended 1987-08
13521-35010	1984-09 → 1987-08	Superseded / ended 1987-08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 13521-78010.

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.