Purchase this filter at https://www.filterheads.com/
AF5218 filter fits:
Acura RDX V6 3.5L 20132018
The model shown in this video is a 2013 Acura RDX V6 3.5L but installation is similar on the other models.
Timestamps:
00:05 Filter location
00:46 Remove old filter
00:55 Install new filter