Genuine Kyocera TK-5240Y yellow toner cartridge designed for Kyocera ECOSYS M5521cdn, M5521cdw, P5021cdn, and P5021cdw printers. Delivers vibrant yellow output with reliable performance and consistent color quality. High-yield capacity ensures extended printing before replacement. Compatible with original Kyocera equipment for optimal results and machine longevity. Choose genuine cartridges to maintain printer warranty and achieve professional-grade document finishing.