Toyota Lexus UX Series

2022-07 → present · chassis MZAA10,MZAH1#,KMA10 · catalogue 537120 · Japan

Supported model Data version 2024-01

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

Water Inlet Sub-assy, W/Thermostat

PNC 16031 · 3 part lines in this catalogue

Drawn on 168538A, 168539A — open a drawing to see this group in context.

Part number	Fitment	Period	Status	List price
16031-24011	M20AFKS 2000CC 16-VALVE DOHC MZAA10	2022-07 → —	Current	¥3,850
16031-24021	M20AFXS 2000CC 16-VALVE DOHC MZAH10,15	2022-07 → —	Current	¥4,240
16031-24040	M20AFXS 2000CC 16-VALVE DOHC MZAH11,16	2024-01 → —	Current	¥3,850

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.