Replace worn plastic pulleys on your garage door opener with this durable 144C56 metal pulley. Compatible with Chamberlain, LiftMaster, and Craftsman opener models (1/2 HP & 1/3 HP). Made from high‑quality aluminum – wear‑resistant, smooth operation, and longer service life than plastic rollers. Guides and supports the chain or cable, reduces friction, and helps maintain proper chain tension for quiet, efficient operation. Includes 2 chain cable idler pulleys. Easy to install – simply remove old pulley and put new one in place.

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