Window crank issues? Part number
Quick Learner from Hanwell, NB Canada
Jul 14, 2026 8:07 pm
Hi i have uploaded pics of my broken crank assembly it has a part number 45179 on it and it opens from right to left from the outside of the home. Can you please assist with a part number so i can order the crank assembly please and thank you
4 user uploaded images
2 Replies
Bob from SWISCO
Yesterday 3:34 pm
Thanks for posting. This looks like it could be the 39-031 and 39-031 Dual-Arm Operators, or the 39-155 and 39-156. The difference is the length of the arms, so compare with your old hardware to see what matches best. For covers and handles, see the 39-107 and 39-114L.
Dimensions for 39-031
Dimensions for 39-155
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