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CONFIRM THE PART FITS
Part Information
This spring and trolley nut (part number 41B4103) is for garage door openers.
Spring and trolley nut 41B4103 maintains tension on the trolley for smooth operation when opening or closing the door.
Unplug the garage door opener before installing this part. Wear work gloves to protect your hands.
Top models using the same part
| Model Name | Model Number | Diagram Name |
|---|---|---|
| Model #248754 Chamberlain garage door opener | 248754 | Rail assembly |
| Model #13957915 Craftsman garage door opener | 13957915 | Rail assembly |
| Model #WD962KD Chamberlain garage door opener | WD962KD | Rail assembly |
| Model #13953919D Craftsman garage door opener | 13953919D | Rail assembly |
| Model #WD962KLD Chamberlain garage door opener | WD962KLD | Rail assembly |
| Model #13953919 Craftsman garage door opener | 13953919 | Rail and installation |
| Model #248739 Chamberlain garage door opener | 248739 | Rail assembly |
| Model #3850P Chamberlain garage door opener | 3850P | |
| Model #3850 Chamberlain garage door opener | 3850 | |
| Model #3850-267 Chamberlain garage door opener | 3850-267 |