Water Inlet Sub-assy, W/Thermostat

16031-25040

Superseded / ended 2024-03 PNC 16031 Europe

Fitment

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

A25AFXS 2500CC 16-Valve Dohc AAZH2# CHI,EUR,GEN

Fits: Lexus NX Series AAZA2#,AAZH2#,MAZA20,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 168303C Figure 168304C Figure 168306G Figure 168308G

Other lines in this group

Part number	Period	Status
16031-24011	2024-03 → —	Current
16031-25011	2024-03 → 2025-06	Superseded / ended 2025-06
16031-25040	2024-03 → —	Current
16031-25050	2024-03 → —	Current
16031-24011	2022-01 → 2024-03	Superseded / ended 2024-03
16031-25011	2021-11 → 2024-03	Superseded / ended 2024-03
16031-25040	2021-11 → 2024-05	Superseded / ended 2024-05
16031-25050	2021-11 → 2024-03	Superseded / ended 2024-03
16031-25050	2021-11 → 2024-05	Superseded / ended 2024-05

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.

Show all applications

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.