Pulley Sub-assy, Idler, NO.1

16603-50020

Superseded / ended 1994-02 PNC 16603 General

Fitting notes

AISIN

Fitment

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

1UZFE 4000CC 32-Valve Dohc Efi UCF10

Fits: Lexus LS400 UCF10
Valid: 1989-12 → 1994-02
Model period: not recorded — this catalogue predates the field
Destination †: 01
Catalogue page †

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

Shown on

Figure MAC100E

Interchangeable numbers

Number	Alternative	Effective
16603-50020	16603-50010	2009-07

Other lines in this group

Part number	Period	Status
16603-50010	1989-12 → 1994-02	Superseded / ended 1994-02
16603-50010	1994-02 → 1994-10	Superseded / ended 1994-10

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 16603-50020.

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.