LiftMaster 144B18 or 41B4569 Idler Pulley for ATS CSO Operators

LiftMaster 144B18 or 41B4569 Idler Pulley for ATS and CSO Chamberlain Operators

  • For LiftMaster ATS Chain Drive models ATS211, ATS211R and Chamberlain CSO Operators
  • Often purchased together with 41C4470 Gear and Sprocket Kit (Scroll down)
  • Original manufacturer replacement part
  • Item #: 144B18 or 41B4569

LiftMaster 144B18 or 41B4569 Idler Pulley for ATS CSO Operators

Price: C$7.95
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