Toyota Lexus GS Series

2011-12 → 2020-07 · chassis ARL10,AWL10,GRL1#,GWL10 · catalogue 3321B0 · Japan

Supported model Data version 2021-03

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

Pulley Sub-assy, Idler, NO.2

PNC 16604 · 5 part lines in this catalogue

Drawn on 166996A, 167423A — open a drawing to see this group in context.

Part number	Fitment	Period	Status	List price
16604-31010 note	2GRFSE 3500CC 24-VALVE DOHC EFI GRL15;2GRFSE GRL10 8FC ATM, 8-SPEED FLOOR SHIFT	2011-12 → 2015-09	Superseded / ended 2015-09	¥5,600
16604-31010 note	2GRFSE,4GRFSE GRL10,11 6FC ATM, 6-SPEED FLOOR SHIFT	2011-12 → 2015-10	Superseded / ended 2015-10	¥5,600
16604-31030 note	2GRFSE 3500CC 24-VALVE DOHC EFI GRL10,15	2015-09 → 2015-10	Superseded / ended 2015-10	¥4,180
16604-31010	4GRFSE 2500CC 24-VALVE DOHC EFI GRL11	2015-10 → 2016-08	Superseded / ended 2016-08	¥5,600
16604-31030	2GRFKS 3500CC 24-VALVE DOHC GRL12,16	2015-10 → 2020-07	Superseded / ended 2020-07	¥4,180

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.