The Jacuzzi® J-400™ Pillow, PN# 2472-820, fits models mid year-2009 thru 2017/2019 models.
NOTE: Beginning in 10/2017, J435 & J445 models began using a new pillow, 6455-031, which was later replaced by 2472-007. And in 2019 all new J475 & J485 models began using 6455-031, also later replaced by 2472-007.
Older models from 2006 thru mid-year 2009, use PN# 2472-822.
