Gasket, Exhaust Manifold TO Head

17173-78010

Superseded / ended 1984-08 PNC 17173 Japan

Fitment

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

1W 4000CC Diesel WU26,40,50

Fits: Dyna/Toyoace HU26,30,40,50,JU20,RU2#,3#,WU26,40,50
Valid: 1983-04 → 1984-08
Model period: not recorded — this catalogue predates the field
Destination †: 04
Catalogue page †: 0115/0150

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

Shown on

Figure MA0293E Figure MA0952B Figure MA5741 Figure MA6637

Interchangeable numbers

Number	Alternative	Effective
17173-78010	17173-78020	1994-03

Other lines in this group

Part number	Period	Status
17173-47010	1977-08 → 1980-08	Superseded / ended 1980-08
17173-48010	1977-08 → 1980-08	Superseded / ended 1980-08
17173-68010	1982-04 → 1983-04	Superseded / ended 1983-04

List price

¥790 Japan

Manufacturer list price with no history — indicative only.

This number everywhere

Every vehicle in every market that takes 17173-78010.

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.