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

Pulley Sub-assy, Idler, NO.2

PNC 16604 · 8 part lines in this catalogue

Drawn on 166286B, 168277A, 168514 — open a drawing to see this group in context.

Part number	Fitment	Period	Status	List price
16604-31010	2GRF,4GRFSE GSE3#	2013-04 → 2015-08	Superseded / ended 2015-08	—
16604-31010 note	2GRF 3500CC 24-VALVE DOHC GSE3#	2015-08 → 2015-09	Superseded / ended 2015-09	—
16604-31030 note	2GRF 3500CC 24-VALVE DOHC GSE3#	2015-09 → 2016-10	Superseded / ended 2016-10	—
16604-31030 note	2GRF 3500CC 24-VALVE DOHC GSE3#	2016-10 → 2017-10	Superseded / ended 2017-10	—
16604-31030	2GRF 3500CC 24-VALVE DOHC GSE3#	2017-10 → 2020-09	Superseded / ended 2020-09	—
16604-31030	2GRFKS 3500CC 24-VALVE DOHC GSE3#	2020-09 → 2021-10	Superseded / ended 2021-10	—
16604-31030	2GRFKS 3500CC 24-VALVE DOHC GSE3#	2021-11 → —	Current	—
16604-38020	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.