As far as i know there is no direct replacement you would have to look for some led pods and hardwire them in attaching them with the bracket below
https://roninmetal.com/products/2014-current-lexus-gx460-fog-light-bracket
https://www.diodedynamics.com/stage-series-c1-yellow-sae-dot-fog-standard-led-pod-pair.html