Liftmaster 41c4398a RPM Sensor Assembly Replacement and AOD Lubricant

Liftmaster 41c4398a RPM Sensor Assembly Replacement and AOD Lubricant

Gear and Sprocket Replacement Kit for Liftmaster 41c4220a 41a2817, fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models (Chain Drive Gear and Sprocket Kit)

Replacement for Liftmaster 41c4220a Gear and Sprocket Kit fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models