UniTak3D Ender 3 V2 Y-axis Belt Tensioner Upgrade for Creality Ender 3 V2 Ender 3 Pro CR10 Mega Zero 2.0 Flashforge-Aquila AURORA-A5X 3D Printer 2040 Profile

(1977 Reviews)

Price
$12.98

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Quantity
(20000 available )

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57 Ratings
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6
Reviews
  • Devin

    > 3 day

    I have 3 Standard Ender3s and this is a much needed upgrade. The price is low enough I am not sure why anyone wouldnt pick this up. It does not come with wrenches but the kit you got with your printer has everything you need. Once I found the sizes I need I uninstalled previous tension-er and had this upgrade installed in a little under 3 minutes for each of the 3 printers. All metal design gives a good quality feel. The knob lets me decide how tight I need to belt to be.

  • Trogdor

    > 3 day

    The toothed idlers wheels wobbled from the time it was opened. Everything else about this tensioner would be great if the idler was good.

  • Huy Le

    > 3 day

    A great choice for anyone who wants to replace the original Belt Stretch Straighten Tensioner on the Ender 3D printer.

  • Johnny Simon

    > 3 day

    Its built nice, but it does NOT work on the ender 3 X belt. The pulley is too small and the belt will run against the 2020 extrusion. Now I have to order a bigger pulley to make it work. What a waste.

  • Michael C Brown

    > 3 day

    After fussing with the original bracket on my cr-10s for about an hour, I decided to get this and had it installed and adjusted within 15 minutes. Worked!

  • Ricardo Elizondo

    > 3 day

    Excellent product, will purchase again soon!

  • Janet Hane

    > 3 day

    Was impressed with the quality and strength of the construction. I was happy to find out that I didnt even have to change the length of my belts. They are far superior to the acrylic parts that came with my printer

  • Jeanny Cheung

    > 3 day

    Easy item, lower tension to work smoothly

  • Allen Miotke

    10-06-2025

    I purchased this tensioner for my Ender 3 V2 after getting a little carried away tightening the Y-axis belt and breaking the stock tensioner. This was a cheaper option than purchasing a OEM part and a much better alternative. The tensioner is all metal and I have zero fear of overtightening and breaking it. I am very happy with the purchase and would recommend it to anyone wanting to upgrade.

  • Ethan Clark

    > 3 day

    Supper easy to install makes adding tension to the x axis simple I like the fact the the bearing is groved for the belt. Should help prevent layer shifts

Application:
Ender 3 V2
Ender 3 Pro
Mega Zero 2.0
Fashforge-Aquila
AURORA-A5X
Specifications:
Color: Black
Material: Aluminium Alloy
Surface Treatment: Anodizing

Packing List:
1 x 2040 Y-Axis Belt Tensioner

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