Pulley Sub-assy, Idler, NO.1

16603-31050

Superseded / ended 2017-11 PNC 16603 General

Fitment

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

1GRFE 4000CC 24-Valve Dohc Efi GRJ158

Fits: Lexus GX400/460 GRJ158,URJ150
Valid: 2013-09 → 2017-11
Model period: 584W
Destination †: 01
Catalogue page †

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

Shown on

Figure 164078B Figure 164737D

Replacement history

Follow the number forward to what a dealer would supply today:

16603-31050 16603-0E010 16603-31050

The chain loops back on itself in the source data and is cut here.

Replaces

16603-0P030 16603-0P030 16603-0P030 16603-0P030 16603-0P030 16603-0P030 16603-0E010 16603-0E010 16603-0E010 16603-0E010 16603-0E010 16603-0E010 16603-0E010 16603-0E010 16603-0E010 16603-0E010 16603-0E010 16603-0E010 16603-0E010 16603-0E010 16603-0E010 16603-0E010 16603-0E010 16603-0E010

Other lines in this group

Part number	Period	Status
16603-31050	2012-06 → 2013-09	Superseded / ended 2013-09
16603-38010	2009-11 → 2012-06	Superseded / ended 2012-06
16603-38010	2009-11 → 2012-12	Superseded / ended 2012-12
16603-38011	2012-12 → 2013-08	Superseded / ended 2013-08
16603-38011	2013-08 → 2019-02	Superseded / ended 2019-02
16603-38012	2019-03 → 2019-08	Superseded / ended 2019-08
16603-38012	2019-08 → —	Current

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 16603-31050.

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.