Water Inlet Sub-assy, W/Thermostat

16031-25040

Superseded / ended 2024-03 PNC 16031 United States

Fitment

Codes the factory prints against this line. Hover for the catalogue's own expansion.

A25AFXS 2500CC 16-Valve Dohc AAZH2#

Fits: Lexus NX Series(JPP) AAZA2#,AAZH2#,TAZA25
Valid: 2021-11 → 2024-03
Model period: 792W
Destination †: 01
Catalogue page †

† Read from the record layout but confirmed by no published legend.

Shown on

Figure 168285B Figure 168306H Figure 168308H

Other lines in this group

Part number	Period	Status
16031-25011	2024-04 → 2025-06	Superseded / ended 2025-06
16031-25040	2024-04 → —	Current
16031-25050	2024-04 → —	Current
16031-25011	2021-11 → 2024-03	Superseded / ended 2024-03
16031-25050	2021-11 → 2024-03	Superseded / ended 2024-03

List price

Not priced in this market.

Only the Japanese dataset ships a price file. Add the part to an enquiry to ask a seller for a quote.

This number everywhere

Every vehicle in every market that takes 16031-25040.

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No quantity, deliberately

The factory catalogue records which parts a vehicle takes, never how many. Quantity was always typed in by the parts counter when raising an order, so nothing here can tell you whether you need one or four.