LiftMaster 041A1340 Chain Extension Kit #48 3" liftmaster K75-18362 and 3-button controls

and 3-button controls

Max Cycles - 70 Per Hour

Battery: 23A Alkaline

Articulating arm assembly with bumper and bracket

the barrier will wait to raise until that unit reaches its full open position

LiftMaster 041A1340 Chain Extension Kit #48 3" liftmaster K75-18362 and 3-button controlsLiftMaster 041A1340 Chain Extension Kit #48 3" This is replacement Chain Extension Kit (#48, 3"). For use with various LiftMaster and Chamberlain Garage Door Openers. Complete kit includes: chain, #48 (3 in.), and (2) master link kits. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as LiftMaster 41A5648 LiftMaster 4A1340 LiftMaster