It appears to use the same hotend as the ender 3, which is really quite common. You could either grab just the bare metal bits, or the whole kit like this

https://www.amazon.com/Creality-Upgrades-Assembled-Extruder-Capricorn/dp/B07TZHB29Q/ref=sr_1_14?dchild=1&keywords=ender+3+hotend&qid=1605047314&sr=8-14