Water Inlet Sub-assy, W/Thermostat

16031-31070

Superseded / ended 2018-09 PNC 16031 Europe

Fitment

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

2GRFKS 3500CC 24-Valve Dohc GRL16

Fits: Lexus GS Series ARL10,AWL10,GRL1#,GWL10
Valid: 2015-10 → 2018-09
Model period: 639W
Destination †: 01
Catalogue page †: /0054

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

Shown on

Figure 164733B Figure 165100B Figure 165485D Figure 165488D Figure 166189H

Interchangeable numbers

Number	Alternative	Effective
16031-31070	16031-31071	2020-03

Other lines in this group

Part number	Period	Status
16031-31020	2012-01 → 2015-10	Superseded / ended 2015-10
16031-36020	2013-09 → 2015-10	Superseded / ended 2015-10
16031-31020	2015-10 → 2018-09	Superseded / ended 2018-09
16031-36020	2015-10 → 2018-09	Superseded / ended 2018-09

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 16031-31070.

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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.