I bought this as a promotional add on when I bought my Ender 5+ not really knowing about the printer upgrade or parts. I'm glad I did - while assembling the swap I discovered that the factory extrusion clamp had a micro crack where they inserted the threaded brass nut. They should make aluminum the standard, at least on Plus models. The downside is that there aren't many instructions, you have to inspect the old part and figure out the best disassembly order and redesign it using the parts diagram.
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