3Dman Bowden Dual Drive Extruder Lever Arm

This arm fits the "budget" BMG style extruders from Amazon and Aliexpress.

Printed at 100% infill, but not really necessary.

I used rafts for my Ender 3 V2, but you may not need it.

Simply push out the pin holding the gear in the old arm (in my case, broken) and transfer it to the new one. It is much stronger and works better than the original. 

The lever arm is centered (not left or right) and the handle tapers at the end, which is a better fit for the chea-, uh less costly extruders.