YOOPAI Spark Ender 3 NEO All Metal Hotend, Supports 300℃ High Temperature High Speed Printing, Assembled Hotend Upgrades Kit for Ender 3 Neo,Ender 3 V2 Neo,Ender 3 Max Neo,Ender 2 Pro

Just installed it after my stock hotend managed to get jammed. So far it's running good.Its nearly flush with the bottom of the Z axis assembly, just sticking out the bottom.It comes with a thermistor which is a much better design than the stock one. Both it and the heating element are installed vertically which makes cable management much cleaner and probably also helps with even heating.Overall, it's a great design. I'll update this review if I have any problems.Update: I had an odd issue where it would print for a little bit then jam. Turns out it was heat creep since I had the fan/shroud off. Nothing wrong with the product just keep in mind that it has much less thermal mass than the stock hotend. An active cooling fan is REQUIRED for this to print reliably.

Without there being many options for a Neo I thought I'd take a chance with this hotend and haven't had any issues so far. Haven't tried pushing the temp yet but PETG @ 100mm/s has been printing beautifully.

No issues with this hot end so far! there are screws loose in the box, I wish they'd put them in a little baggy, or heck even taped them to the inside of the box, but I digress. Its your average hot end. After some calibration of the Z offset and some minor things with my own printer, I can get pretty standard prints out of it. Theres nothing to quite write home about, the instillation is annoying, but thats any hot end upgrade.

This hotend is a great replacement for the stock unit on the Neo printers, pairs great with the sprite extruder, easy install.

Open your box over something to avoid the small m3 grub screws from falling out. 10 min looking for thdm on my wood floor. Who uses the existing heater when you replace a hotend. Im using this on a custom build so had to buy heater for it. Offer to choose from 12 or 24 volt and add the $1.00 heater. Other than that its nice looking hot end. Making my own mount for a corexy printer.

First and foremost, if you decide to purchase this, be careful when opening the box or open the box over a light colored bowl. The two grub screws that are intended to hold in the cylindrical heater core were loose inside the box, and one of them fell out the moment I opened it. I spent nearly 5 minutes searching for it, a task made much more difficult because of how very tiny the grub screws are. Very disappointing that they were not pre-installed in the heater block under the silicone sock.With that out of the way, the overall construction of this hotend upgrade kit is very nice. The included wire extension for the thermistor appears to be PTFE/FEP insulated which likely means it will outlast similar PVC-insulated wires in a wire loom. The thermistor appears to be high quality, with fiber insulation down to the thermistor cartridge so no worries about PTFE insulation in contact with the 300C heater block. The silicone sock is a snug fit and the included nozzle seems to be of above average quality.I've printed three or four things with this hotend upgrade installed and, apart from having to recalibrate my z offset (which is to be expected and called out in the included instructions), I have experienced no issues. I have yet to update my machine's firmware to take full advantage of the 300C rating of this hotend, but it is nice to be able to print above 230C without the fear of the bowden tube degradation that happens with the stock hotend.I did re-tune my printer's PID loop using M303 (see Marlin documentation) before attempting any prints, which is something all users should do any time they change their hotend configuration. This was not called out in the instructions from what I remember.

Installed and works well. Have my ender 3 printing a 22 minute bunchy with this and other mods.

I put this on my Ender 3 V2 with modified fans and BLTOUCH, and it works great. It looks nice, and I haven’t had any clogs with it yet. I also prefer the temp reader on this a lot more, because it seems easier to replace, and it seems like it should last a lot longer. 5/5 Hotend