Those are reference numbers, not part numbers, you'll find the actual part numbers below the graphic in the body components/roof page, those are also for the Canadian models. It's curious that they also fit HVs which is confirmation that Adventure rails can be used on other trims.
They're about $250 shipped at BAM with SAVE10 promo.Try this PT278-42190-LH PT278-42190-RH
2019-2020 OEM TOYOTA RAV4 ADVENTURE MODEL ROOF RAIL KIT. CHECK YOUR VIN BEFORE PLACING YOUR ORDER TO MAKE SURE YOUR VIN MATCHES THE FIRST 8 DIGITS ABOVE. OTHERWISE THESE ROOF RAILS WILL NOT FIT YOUR RAV4.www.ebay.com