Need a new cover and crank handle

Question

I need to get a new cover and crank handle for the sill mount in the picture (I also have a mount of the opposite handedness). The mount is about 5 1/8 inches long and I believe the previous house owners installed it around 2006 (+/- a year or so). Which sill mount do I have? What cover and crank handle combo should I get?
Thank you!!

Bob · Accepted Answer

Hello there. Based on the base design I suspect the 39-375 and 39-376 is what you need, but it would be great if we could see the entire operator, including the arm(s) that move the window, just to be certain we know what you're working with. We can confirm from there.