It says its for all the other Creality printers and it looks like the one on the CR-6 SE so I'm hoping it's the right one.
https://www.amazon.com/dp/B07BFT6VCV/ref=cm_sw_em_r_mt_dp_GgxyFbVKGKS9E
FlashForge put a weak extruder setup. You can replace the feeder wheel to give it more teeth so it doesn't skip as much. There is a youtube video. https://www.youtube.com/watch?v=8Ft18zsjUIQ
This is the one I bought: https://smile.amazon.com/gp/product/B07BFT6VCV/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1