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Garage Door Opener Chain Idler Pulley 20456R
Part #20456R
GenuineOEM
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Part Information
This chain idler pulley (part number 20456R) is for garage door openers.
Chain idler pulley 20456R guides the chain cable through the end of the rail closest to the door.
Shut off the electrical power before installing this part. Wear work gloves to protect your hands.
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