This replacement endstop limit switch comes straight from the Creality factory.  It is the OEM part to fix endstop switches (limit switches) on your Creality CR-10 3D Printer.

This replaces the limit switches for all three axis.  

This will fit CR-10 Small (300*300*400), CR-10 Medium/S4 (400*400*400), CR-10 Large/S5 (500*500*500) Printers, as well as the Creality Ender-2 Mini or Afinibot printers, including the A31.