Replacement crank for window

Hi there!

Thank you for reaching out to us. The operator shown here looks like it could be a match for the 39-187 and 39-188. For new brackets, see the 39-513 and 39-514. I recommend you review our specifications and compare them with yours to confirm they match up. 

Dimensions for 39-187

Alternate measurement of arm

Dimensions for 39-513

Dimensions for 39-514