Toyota Lexus IS Series

2013-04 → present · chassis ASE30,GSE3#,USE30 · catalogue 242430 · United States

Supported model Data version 2021-09

Parts groups Model variants Characteristics Frame ranges Catalogue groups Illustration notes Newest parts Spec codes

Water Inlet Sub-assy, W/Thermostat

PNC 16031 · 8 part lines in this catalogue

Drawn on 166875B, 168274A, 168515 — open a drawing to see this group in context.

Part number	Fitment	Period	Status	List price
16031-31020	2GRF,4GRFSE GSE3#	2013-04 → 2015-08	Superseded / ended 2015-08	—
16031-31020	2GRF 3500CC 24-VALVE DOHC GSE3#	2015-08 → 2016-10	Superseded / ended 2016-10	—
16031-31020	2GRF 3500CC 24-VALVE DOHC GSE3#	2016-10 → 2017-10	Superseded / ended 2017-10	—
16031-31070	2GRF 3500CC 24-VALVE DOHC GSE3#	2017-10 → 2019-10	Superseded / ended 2019-10	—
16031-31071	2GRF 3500CC 24-VALVE DOHC GSE3#	2019-11 → 2020-09	Superseded / ended 2020-09	—
16031-31071	2GRFKS 3500CC 24-VALVE DOHC GSE3#	2020-09 → 2021-10	Superseded / ended 2021-10	—
16031-31071	2GRFKS 3500CC 24-VALVE DOHC GSE3#	2021-11 → —	Current	—
16031-38010	2URGSE 5000CC 32-VALVE DOHC EFI USE30	2021-11 → —	Current	—

Several lines under one group is normal — they are the variants for different build periods, destinations and specifications. The fitment codes are what separate them.