Find the crank that fits your old window
Your window crank broke and you don't know what it's called. Pick the one that looks like yours, answer two questions, and see which replacement fits.
IllustrationCatalog exampleAndersen 39-095Straight arm · right hand · 9-3/8"
Which one looks like yours?
Open the window and look at the arm under the crank handle.
IllustrationStraight arm
One long arm from the gearbox to the window.
See 37 parts Pick this
IllustrationDual arm
A long arm plus a shorter link arm.
See 18 parts Pick this
IllustrationFolding arm (dyad)
Two arms joined by a hinge in the middle.
See 22 parts Pick this
IllustrationAwning scissor
Crossed arms push the window out at the bottom.
See 10 parts Pick this
Fixing a shower door instead?
Bottom sweeps, side seals and magnetic strips, matched by glass thickness.
Know the brand?
It's often etched in a corner of the glass or printed on the frame.
How it works
- 1
Pick the shape
Choose the picture that matches the arm on your window.
- 2
Answer two questions
Which side the hinge is on, and how long the arm is. We show you where to measure.
- 3
Buy from a parts store
We show the parts that fit and where the sizes came from. You buy from the retailer.