This Sensor has 14mm Threads and the Sensor Tip is 11.5mm O.D. (See Pictures)
If you have a 17mm Thread with a thin Sensor Tip of 5.5mm let us know to send that instead.
This Repair kit is for 1 Rear Knuckle, replaces Top and Bottom Bushings.
The inner Bushing Tube is for the 10mm O.D. Bolt (other size is 12mm)
Simply remove the Nut from the upper or lower Knuckle Bolt and measure the O.D. of the threads.
It will be closer to 10mm or 12mm.