Creality Upgrade Ender 3 Extruder, Ender 3 V2 Upgrades Metal Extruder Aluminum MK8 Bowden Extruder 40 Teeth Drive Gear for Ender 3 Pro/Ender 5 Pro/Ender 5 Plus/CR-10 Series 3D Printer

Bought this to replace the plastic one on my Ender 3 V2 after it cracked. Seems much more durable and my prints seem to be coming out more consistent than they did before!

The yellow springs make bed leveling a chore you do less often, which is great. The aluminum parts for the extruder are fine, at least better than the original plastic. DO NOT USE THE SPRING THEYVE PROVIDED WITH THE ARM. Its either too long or too thick, and it about chews through filament. Youll start getting extruder gear skipping, and eventually the retraction will eat through it till it stops pushing anything. I used everything provided and had 3 Wells of trying to figure out what went wrong. After replacing the provided spring with the original everything else works great.

Cant recommend comgrow. Customer service is horrible. They dont read and reply with canned responses to issues.

I bought this to replace the feeder that came on a super cheap 3D printer. It seems a little more difficult to assemble than one I have from a different supplier on my other printer. Once assembled, though, It is a well designed feeder and I recommend it to anyone wanting to update. The main advantage is that you can manually retract filament, as when you change colors, without spinning the stepper motor, which I have been told is to be avoided.

Huge upgrade from my original plastic piece. Works perfectly.

This small upgrade has improved my print quality on all my rigid filaments. Havent tried any flex yet. Keep you posted.

This took me three hours to figure out when it should’ve taken 15 minutes. The instructions are an absolute dumpster fire. The extruder motor is at the wrong angle in the picture. The entire illustration is backwards, so good luck trying to assemble this thing with a flipped mirror image. There’s also an M4 size screw that’s somehow supposed to fit in an M3 rivet nut? Don’t know how that’s physically possible. The extruder gear is upside down in the instruction picture which caused an extra hour and a half of trying to take it BACK OFF again, after already spending over an hour trying to remove the pre-existing extruder gear. With how non-descriptive the instructions are, they might as well not even include any at all. Oh, and the screws weren’t even threaded properly. They completely binded up only halfway down into the hole and took me almost snapping the hex keys just to break past whatever was going on so I could finish screwing all the screws in place. The recessed hole for the countersunk screw in the corner (the flat one) wasn’t big enough so the arm won’t clear that, so you’ll have to force the screw in deeper. Just look up a video on how to install it and it’ll save you the beyond-headache it gave me. Actually you know what? Just buy a different kit. Save yourself the migraine.

Easy to install and worked great on my ender 3 v2

Everything that came with the kid worked good and came together easily. My problem is with the springs that they sent. Its advertised as being compatible with the ender 3 V2 but the springs are way too big. Even after bottoming out, it still was far to high for me to properly level the bed.

Fit perfectly and easy to install