Sure. For shifters https://www.amazon.com/Shimano-Road-gear-cable-steel/dp/B09BC57KGW
Or the fancier version https://www.amazon.com/SHIMANO-Optislick-Derailleur-Cable-Housing/dp/B01J5PIOQ2/
And for brakes https://www.amazon.com/dp/B0059VEPBK/