text.skipToContent text.skipToNavigation

Trying to get connected to myQ? Set-up is easy. Watch the step-by-step video.



Idler Pulley

K144B0018 is a idler pulley (2"OD, 1/2"B) replacement kit. Compatible with Models ATS211 & ATS211R garage door openers. Check the manual for your specific model number before ordering.


Installation & Support

LiftMaster - we're here to help
Browse installation guides, product manuals, top FAQs, videos and tutorials, or ask us a question. We'll get you on the right path.
View LiftMaster's Support Site

info California Residents: Proposition 65 WARNING