The Linear 219109 1/3 HP Capacitor is a replacement motor capacitor designed for select Linear residential garage door openers that use a 1/3 horsepower AC motor. This component provides the initial torque boost and stabilizes motor performance during start-up and operation, helping resolve symptoms such as humming, slow starts, or a door that won’t lift under load. As a direct replacement for the Linear part number 219109, it supports reliable operation in compatible Linear operators and is commonly sought as a universal-style repair part for restoring proper motor function in residential applications.
For best results, match the part number to your opener’s service manual or model-specific parts list to confirm compatibility with your Linear unit. Installation typically involves powering down the opener, safely discharging the old capacitor, securing the new capacitor in the existing mounting location, and connecting leads according to the opener’s wiring diagram. Because capacitors store energy, observe all safety precautions and consult a qualified technician if needed. Using a correctly specified Linear 219109 1/3 HP Capacitor helps maintain dependable garage door opener performance and is a practical, OEM-referenced solution for routine maintenance or repair.