Garage Door Opener Parts 144C56 Chain Cable Idler Pulley Replacement Parts for Chamberlain,Liftmaster,Sears,Craftsman

1.Compatibility - Compatible with garage door openers with a square rail system replacement parts for Chamberlain, Liftmaster, Sears, CraftsmanReference Part Number: 144C56
2.High quality materials - Made of high quality material, ensure maximum strength and durability For long lasting usage.
3.Fits garage door openers with a square rail system
Width (PULLEY) 1/4" Overall round size: 2 7/16"
Radius: 1 3/16" Hole: 1/2"
This idler pulley applies to tension to guide the chain cable through the end of the rail closest to the door. To make this repair to your garage door you will need a wrench set, a screwdriver and pliers to take apart and reassemble the housingR