Pulley Sub-assy, Idler, NO.1

16603-31050

Current PNC 16603 United States

Fitment

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

1GRFE 4000CC 24-Valve Dohc Efi GRN21#

Fits: 4Runner GRN21#,UZN21#
Valid: 2008-10 → —
Model period: 346W
Destination †: 01
Catalogue page †

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

Shown on

Figure 163728B Figure 163858B Figure 166980A

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
16603-0W010	2002-08 → 2004-11	Superseded / ended 2004-11
16603-0W030	2002-08 → 2005-08	Superseded / ended 2005-08
16603-31010	2002-11 → 2004-09	Superseded / ended 2004-09
16603-31030	2004-09 → 2005-08	Superseded / ended 2005-08
16603-0W030	2005-08 → —	Current
16603-31030	2005-08 → 2005-11	Superseded / ended 2005-11
16603-31040	2005-11 → 2008-10	Superseded / ended 2008-10

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 16603-31050.

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.