Originally Posted by
Andy Koback
If you're talking about the sensor end cap, (short ones) the stock motor ones are 2.5mm X 8mm. Don't know if the Pro 4 motor would be the same or not. Hopefully someone else can chime in on this.
That might be it... I measured length (in inches) and it seems to be the right fit.... unless someone can actually confirm for a pro4
Thanks Andy for checking.... wish I had a regular Tekin motor to compare it to.