Toyota Lexus LC500/500H

2023-05 → present · chassis GWZ100,URZ100 · catalogue 433420 · United States

Supported model Data version 2023-05

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

Hose, Radiator, NO.3

PNC 16573B · 2 part lines in this catalogue

Drawn on 168919A, 168961A — open a drawing to see this group in context.

Part number	Fitment	Period	Status	List price
16573-31090	8GRFXS 3500CC 24-VALVE DOHC GWZ100	2023-05 → 2025-07	Superseded / ended 2025-07	—
16573-31120	2URGSE 5000CC 32-VALVE DOHC EFI URZ100	2023-05 → —	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.