Alenco window latch replacement

I'm trying to find a replacement latch for one of my Alenco windows. My house was built about 15 years ago. The latch I need is attached by one screw. It is located on the upper right top of the bottom sash. Please see pictures for details. (I photographed a good latch on another window rater than the broken one.) Do you possibly have this part? Thanks. Jen