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

Cock Sub-assy, Radiator Drain

PNC 16400A · 3 part lines in this catalogue

Drawn on 165373E, 166874D — open a drawing to see this group in context.

Part number	Fitment	Period	Status	List price
16417-21280	2GRF,4GRFSE GSE3#	2013-04 → 2015-08	Superseded / ended 2015-08	—
16417-21280	2GRF 3500CC 24-VALVE DOHC GSE3#	2015-08 → 2016-10	Superseded / ended 2016-10	—
16417-21280	2GRF 3500CC 24-VALVE DOHC GSE3#	2016-10 → 2017-10	Superseded / ended 2017-10	—

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.