Dealer only items.
You can find the part numbers here:
http://www.cygnusx1.net/Supra/Librar...spx?F=6401&P=2
http://www.cygnusx1.net/Supra/Librar...spx?F=6104&P=3
(click on the 5 digit number to get the actual part number)
Rear hatch is 67881-14110.
You may also want to check and see if there's any sign of moisture around the taillights... those seals are a common replacement too.
But the dealership parts department shouldn't have any trouble getting you what you need.