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

Tensioner Assy, V-ribbed Belt

PNC 16620D · 2 part lines in this catalogue

Drawn on 11G101B — open a drawing to see this group in context.

Part number	Fitment	Period	Status	List price
16620-25021	A25AFKS 2500CC 16-VALVE DOHC AAZA2#	2024-03 → 2025-06	Superseded / ended 2025-06	¥10,100
16620-25021	A25AFKS 2500CC 16-VALVE DOHC AAZA2#	2021-11 → 2024-03	Superseded / ended 2024-03	¥10,100

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.