1 Pc 144C54 Metal Idler Pulley, K144C0054M Belt Drive Square Rail, For Garage Door Openers, Fits All LiftMaster Chamberlain Craftsman Belt Drive Square Rail Garage Door, 1/2 inch I.D., 2-1/2 inch O.D.

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• Product Overview: 1 Pc 144C54 Metal Idler Pulley, K144C0054M Belt Drive Square Rail, For Garage Door Openers Replacements, 1/2 inch I.D., 2-1/2 inch O.D.
• Compatible Models: Fit for LiftMaster, Chamberlain, Craftsman Belt Drive Square Rail Garage Door
• Product Function: The pulley can reduce friction and belt slippage, the service life is prolonged, and no longer hear annoying noises & jams, so that the garage door can be restored as good as when you bought it
• Premium Material: Made of solid metal material, not easy to damage, the external coating to avoid rust, can withstand long-term use
• Easy to Install: Without special tools, just remove the old one and install the new one, even non-professionals can install it in a few minutes