LiftMaster 41A6104 cable tension monitor. Works with LiftMaster 3800 and 8500 residential jackshaft models only. This is a genuine LiftMaster replacement part. Includes cable tension monitor.
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LiftMaster 41A6104 cable tension monitor. Works with LiftMaster 3800 and 8500 residential jackshaft models only. This is a genuine LiftMaster replacement part. Includes cable tension monitor.