Toyota Sienna

2010-01 → 2020-09 · chassis ASL30,GSL3# · catalogue 622430 · United States

Supported model Data version 2020-09

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

Pulley Sub-assy, Idler, NO.2

PNC 16604 · 4 part lines in this catalogue

Drawn on 163870D, 167421A — open a drawing to see this group in context.

Part number	Fitment	Period	Status	List price
16604-31020	2GRFE 3500CC 24-VALVE DOHC EFI GSL3#	2010-01 → 2014-09	Superseded / ended 2014-09	—
16604-31020	2GRFE 3500CC 24-VALVE DOHC EFI GSL3#	2014-09 → 2016-08	Superseded / ended 2016-08	—
16604-31030	2GRFKS 3500CC 24-VALVE DOHC GSL3#	2016-08 → 2017-11	Superseded / ended 2017-11	—
16604-31030	2GRFKS 3500CC 24-VALVE DOHC GSL3#	2017-11 → 2020-09	Superseded / ended 2020-09	—

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.