Gear Sprocket Replacement Compatible With LiftMaster 41A5483 2245 3265 3255 1256LM 1345M And Chamberlain 2265R 248730 41AC0501 41A5021 41CA4220 Opener Sears Craftsman 13953615SR 13953995SRT Garage Door Opener

Single-Unit Gear Sprocket for LiftMaster & Chamberlain
✔️ 1/3-1/2 HP chain-drive replacement for LiftMaster & Chamberlain

This aftermarket gear sprocket replaces worn or damaged gears in many LiftMaster, Chamberlain, Sears Craftsman chain-drive garage door openers. It’s designed for quick, DIY-friendly swaps to restore smooth operation on 1/3 to 1/2 HP systems.

✅ Compatible with LiftMaster 41A5483, 2245, 3265, 3255, 1256LM, 1345M, and Sears Craftsman openers
✅ Replaces Chamberlain 2265R, 248730, 41AC050-1T / 41AC050-1, 41A5021 openers
✅ Fits 1/3 and 1/2 HP chain-drive garage door openers
✅ Aftermarket replacement part (non-OEM) for DIY maintenance
✅ Easy to install with standard mounting patterns common to these models

💡 What is a gear sprocket used for in garage door openers and why replace it?

A gear sprocket is the component that engages the drive chain and translates motor rotation into lifting action. Replacing a worn sprocket helps maintain correct chain tension and prevents skipping. - drives the drive chain to lift the door in LiftMaster, Chamberlain, and Craftsman openers - restores smooth, quiet operation by preventing chain slip and wear - check model compatibility before purchase to ensure proper fit