LiftMaster 041B2616 Sheave Bracket Kit 23 ft arm Robust Construction: Crafted from top-grade

Robust Construction: Crafted from top-grade materials

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2 up to 4s depending on the boom length

Easy to learn and easy to install

BFT SUB R UL/CSA 120V Left with CID SX -Left Side

LiftMaster 041B2616 Sheave Bracket Kit 23 ft arm Robust Construction: Crafted from top-gradeLiftMaster 041B2616 Sheave Bracket Kit This is a Sheave Bracket Replacement Kit. For use with various LiftMaster and Chamberlain garage door openers that utilize a T rail. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as LiftMaster 12B371 LiftMaster 41B2616