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RV window cranks take a beating from sun, vibration, and repeated use, and the internal gearing eventually wears down or seizes. This WCM operator with a 5-3/8" arm is a replacement mechanism sized to match that common style of RV window hardware.
If your window crank is stiff, stripped, or no longer engages the arm, this operator kit is a simple way to get it working again instead of replacing the whole window frame.
