The connecting shaft is easy to make yourself. I made one from the wire hook of an old trouble light but a piece of coat hanger would do as well. Look at the picture of the part and make the appropriate bends with a pair of pliers. You can measure the distance between the control knob and where it connects on the wiper. It's around 2 1/2 or 3 inches. I would have purchased one but the shipping would be real expensive and I'm cheap anyway.