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PLUS SHIPPING AND TAX
This part replaces the following legacy part #'s : 144B18, 144B0018
K144B0018 is a idler pulley (2"OD, 1/2"B) replacement kit. Compatible with LiftMaster® Models ATS211 & ATS211R garage door openers. Check the manual for your specific model number before ordering.
Genuine LiftMaster® replacement part.