LiftMaster Trolley Output Shaft Kit, 3/4HP, 1HP | LIF-K72-12509 25-2020 Motor Vibration Isolation System (MVIS)

Motor Vibration Isolation System (MVIS) for smoother and quieter operation

Run Time on Low: 24

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LiftMaster Trolley Output Shaft Kit, 3/4HP, 1HP | LIF-K72-12509 25-2020 Motor Vibration Isolation System (MVIS)LiftMaster Trolley Output Shaft Kit, 3 4HP, 1HP LIF K72 12509 This is a replacement Trolley Output Shaft Kit (3 4 & 1 HP) for use with various LiftMaster Standard Duty Trolley Commercial Door Operators. Kit includes: Output Shaft, Bearing Roller Chain with Master Link Limit Chain Shim Washers Roll Pins Push Ring 3 4' Sprockets (41B32 & 48B10) Genuine LiftMaster replacement part. Compatible with: LIF T Also known as: K7212509