Toyota Lexus NX Series(Tmmc

2022-03 → present · chassis AAZA2#,AAZH25,TAZA25 · catalogue 52E420 · United States

Supported model Data version 2022-02

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

Gasket, Exhaust Manifold TO Head

PNC 17173 · 5 part lines in this catalogue

Drawn on 17C065C, 17C104C, 17C105C, 17C155A — open a drawing to see this group in context.

Part number	Fitment	Period	Status	List price
17173-25020 note	A25AFKS 2500CC 16-VALVE DOHC AAZA2#	2022-03 → 2025-08	Superseded / ended 2025-08	—
17173-25020 note	A25AFXS 2500CC 16-VALVE DOHC AAZH25	2022-03 → —	Current	—
17173-25030	T24AFTS 2400CC 16-VALVE DOHC TAZA25	2022-03 → —	Current	—
17173-F0010 note	A25AFKS 2500CC 16-VALVE DOHC AAZA2#	2022-03 → 2025-08	Superseded / ended 2025-08	—
17173-F0010 note	A25AFXS 2500CC 16-VALVE DOHC AAZH25	2022-03 → —	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.