
I received my Reality Ender 3 Pro from Revain Comgrow. They sent me the unit without the Z motor, motor mounting hardware, stem and clutch. Knowing I would have to wait over a month to get a replacement from the Chinese company, I had to purchase this motor (HAWKUNG 2 pcs 350mm 8mm T8 Stainless Steel Threaded Rod Lead Screw with T8 Nut for Z- Axis Machine 3D Printer) + (5 to 8mm OctagonStar Flex Couplings, NEMA 17 Shaft for RepRap 3D Printer or CNC Machine x2) + (Befenybay x2 Ender-3 CR-10 Series). I had all the other parts for the printer so I was able to add a motor with a stem. These parts are fairly exact (probably not clutch) replacement parts for the Ender Pro 3's Z-axis block. I did a lot of research to ensure these are the 'best' parts available on Amazon with very fast shipping are available. .It took less than 30 minutes to assemble and run the stem, clutch and motor. The motor came without cables but is standard if not the same type of motor. It should be possible to connect to an available wire harness from your board. I have an Ender Pro 3 with a Creality 4.2.7 Silent motherboard update. I also bought BL touch but found I couldn't get it to work. I have no problem wasting time to manually adjust the print interface. My prints were great and the printer is definitely significantly quieter with the board upgrade (the printer came with an old 8-bit card that didn't work at all with the BL Touch). I'm waiting for the next Creality firmware update before trying to install BL Touch as the current version has some bugs and I don't want to learn how to code anytime soon.

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