This is the OEM Track Tensioner Assembly for the AGT QNT50R straight from AGT, but stocked in Ohio!
 
These pictures show an MY50 style tensioner, but rest assured you will receive the QNT style. They are NOT compatible.
 
This is the exactly the same as the unit that came on your machine!
 
Compatible Equipment - AGT QNT50R, QNT30, QNT45.
 
MY50 Tensioner currently sold out.