LiftMaster Idler Sprocket Kit | LIF-K74-40346 LEF3 red-amber-green Beeper – piezo-electric

red-amber-green Beeper – piezo-electric

are required in the opened and closed positions

For use with various LiftMaster® Commercial Door Operator Models

LiftMaster Q045

LiftMaster 201050B2

LiftMaster Idler Sprocket Kit | LIF-K74-40346 LEF3 red-amber-green Beeper – piezo-electricLiftMaster Idler Sprocket Kit LIF K74 40346 This is a replacement Idler Sprocket Kit. Check the manual or parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as LiftMaster K75 40346 Includes 1 Sprocket Replacement Sprocket 41B14 3 16" Keyway 2 1 4" Set Screws Bearing 1 2" IDx3 4" ODx1 2" Hex Bolt 5 8 11x2 3 4" Jam Hex Nuts 5 8 11 Lockwasher 5 8 Compatibility This part is