Cap Sub-assy, Radiator

16401-31792

Superseded / ended 2016-03 PNC 16401 General

Fitment

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

2GRF 3500CC 24-Valve Dohc GSE31

Fits: Lexus IS2###/3### ASE30,AVE30,GSE3#
Valid: 2015-08 → 2016-03
Model period: 638W
Destination †: 01
Catalogue page †

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

Shown on

Figure 166875B Figure 166876C Figure 166877D Figure 168515

Interchangeable numbers

Number	Alternative	Effective
16401-31792	16401-36020	2017-10

Other lines in this group

Part number	Period	Status
16401-31791	2013-04 → 2014-08	Superseded / ended 2014-08
16401-31792	2014-09 → 2015-08	Superseded / ended 2015-08
16401-31830	2016-04 → 2016-10	Superseded / ended 2016-10
16401-31830	2016-10 → 2017-10	Superseded / ended 2017-10
16501-36013	2017-10 → 2020-09	Superseded / ended 2020-09
16501-36013	2020-09 → 2021-10	Superseded / ended 2021-10
16501-36013	2021-11 → 2023-09	Superseded / ended 2023-09
16501-36013	2021-11 → —	Current

List price

Not priced in this market.

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This number everywhere

Every vehicle in every market that takes 16401-31792.

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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.