Toyota Lexus NX Series

2021-10 → present · chassis AAZA2#,AAZH2#,TAZA25 · catalogue 527120 · Japan

Supported model Data version 2024-03

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

Water Inlet Sub-assy, W/Thermostat

PNC 16031 · 6 part lines in this catalogue

Drawn on 168285B, 168306F, 168308F — open a drawing to see this group in context.

Part number	Fitment	Period	Status	List price
16031-25011	A25AFKS 2500CC 16-VALVE DOHC AAZA2#	2024-03 → 2025-06	Superseded / ended 2025-06	¥3,850
16031-25040	A25AFXS 2500CC 16-VALVE DOHC AAZH2#	2024-03 → —	Current	¥3,850
16031-25050	T24AFTS 2400CC 16-VALVE DOHC TAZA25	2024-03 → —	Current	¥2,600
16031-25011	A25AFKS 2500CC 16-VALVE DOHC AAZA2#	2021-11 → 2024-03	Superseded / ended 2024-03	¥3,850
16031-25040	A25AFXS 2500CC 16-VALVE DOHC AAZH2#	2021-11 → 2024-03	Superseded / ended 2024-03	¥3,850
16031-25050	T24AFTS 2400CC 16-VALVE DOHC TAZA25	2021-11 → 2024-03	Superseded / ended 2024-03	¥2,600

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.