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Liftmaster 41A4837-1 Worm Gear and Retainer

Liftmaster 41A4837-1 Worm Gear and Retainer

Liftmaster 41A4837-1 Worm Gear and Retainer

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Product Description

Liftmaster 41A4837-1 Garage Door Opener Worm Gear and Retainer

• Works on Liftmaster models 3130, 3240, and more.

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COMMENT: replacement part for Chamberlin PD420 door opener by John A 6/5/2017

COMMENT: Existing one is worn out. by Thomas B 5/21/2015

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