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Liftmaster Belt Drive Gear and Sprocket


Compatable with Models 3280, 3580, 3850, 228, 2285.

Drive shaft with belt pully, spring washer, thrust washer, retaining ring, bearing plate, roll pins (2), drive gear and worm gear, helical gear with retainer, grease and installation instructions.

  • Shipping Weight: 1.5lbs