START CAPACITOR

Part-number match matters: 18-1901-43 corresponds to Start Capacitor for replacement service. Match the part number and visual configuration before ordering. Always discharge capacitors safely before service. Capacitors support motor or compressor starting torque and stable running behavior. Common complaints include weak startup, humming and not starting, or intermittent start. If the issue is intermittent, look for vibration-related wear marks and connectors that shift under load. Confirm the symptom first, then inspect the part location for wear, corrosion, cracks, or looseness. Replacing Start Capacitor can resolve weak startup when the fault is confirmed at this component. Reinstall carefully so nothing pinches, rubs, or binds once the unit is back together. Reinstall carefully so nothing pinches, rubs, or binds once the unit is back together. A correct-fit part improves reliability and prevents small issues from becoming bigger failures. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair. Verify any model compatibility notes shown on the product page before completing the order.