Vacuum Handle Fork Back Cover Plate - Kirby Structural Support, Fits Kirby 505 to 3CB, Part #174579

The Kirby Handle Fork Back Cover Plate, part number 174579, is a genuine OEM replacement designed to provide essential structural support and protection for the handle fork assembly on Kirby upright vacuums from model 505 through 3CB. Engineered to Kirby’s original factory standards, this back cover plate ensures a precise fit that maintains optimal airflow and filtration, helping to reduce dust, fine particles, and allergens in your home. By shielding the handle fork assembly and supporting the vacuum’s internal structure, it helps prevent debris buildup that can compromise motor performance, ensuring strong suction and consistent cleaning results. This part is especially beneficial for homeowners, pet owners, and allergy-sensitive households seeking to maintain a cleaner indoor environment. Routine replacement of this cover plate supports long-term durability and reliable vacuum operation, making it a key component for restoring and preserving the performance of classic Kirby vacuums. For more information about potential exposure to chemicals, visit For more information about potential exposure to chemicals, visit www.P65Warnings.ca.gov.