Cap Sub-assy, Radiator

16401-31830

Superseded / ended 2016-10 PNC 16401 United States

Fitment

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

2GRF 3500CC 24-Valve Dohc GSE3#

Fits: Lexus IS Series ASE30,GSE3#,USE30
Valid: 2016-04 → 2016-10
Model period: 638W
Destination †: 01
Catalogue page †

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

Shown on

Figure 166875B Figure 168515

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16401-31791	2013-04 → 2014-08	Superseded / ended 2014-08
16401-31792	2014-09 → 2015-08	Superseded / ended 2015-08
16401-31792	2015-08 → 2016-03	Superseded / ended 2016-03
16401-31830	2016-10 → 2017-10	Superseded / ended 2017-10
16501-36013	2017-10 → 2020-09	Superseded / ended 2020-09
16501-36013	2020-09 → 2021-10	Superseded / ended 2021-10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 → —	Current

List price

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This number everywhere

Every vehicle in every market that takes 16401-31830.

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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.