Replacement K1 Max (Bi Metal Nozzle) Hotend Assembly: https://store.dremc.com.au/products/upgraded-creality-k1-ceramic-heating-block-kit-for-creality-k1-k1-max
Replacement K1 (Brass Nozzle) Hotend Assembly: https://store.dremc.com.au/products/creality-k1-ceramic-heating-block-kit-for-creality-k1-k1-max
Aftermarket Replacements:
Micro Swiss: https://store.dremc.com.au/products/micro-swiss-flowtech%E2%84%A2-hotend-for-creality-k1-k1-max
TriangleLabs: https://store.dremc.com.au/products/trianglelab-chcb-ot-hotend-for-sprite-extruder-k1-k1-max
Hint: you may need small tweezers to help aid removing the connector, if you have trouble removing hot glue you can dap some 99% iso alcohol onto the hot glue to loosen it. Remember not to pull on wiring to prevent damages to wiring from the crimp.
Install Video:
Third Party Video: (Credit: https://www.youtube.com/@omranello) (Full Toolhead Assembly)