Something like this is close to the right size and same tech, nothing new in this light that the 4Runner doesn’t already use.
LED Taillight Assembly Tail Lights for 2010-2020 Toyota Prado/Lexus GX460, Rear Brake Light Tail Lamp Including Running+Brake+Reverse+Turning Light, Red Clear Lens
https://a.co/d/hV2ORG6