Vacuum Speed Switch Spring - Kirby Heritage I OEM Tension Mechanism, Fits Heritage I Upright, Part #133981S

The Kirby Speed Switch Spring (Part #133981S) is a genuine OEM replacement component engineered specifically for the Kirby Heritage I upright vacuum, providing essential tension for the speed switch mechanism to ensure smooth and reliable motor speed control. Designed to Kirby’s exact factory specifications, this spring delivers a precise fit that helps maintain optimal airflow and filtration, reducing dust, fine particles, and allergens in your home for improved air quality. Its durable construction supports consistent suction and effective cleaning, making it ideal for homeowners, pet owners, and those with allergies. By protecting the vacuum motor from debris buildup and supporting the proper function of the speed switch, routine replacement of this part helps extend the life of your vacuum and ensures long-term, dependable performance. For more information about potential exposure to chemicals, visit For more information about potential exposure to chemicals, visit www.P65Warnings.ca.gov.