Product Description

The Kirby Belt Lifter KB 144356 is a genuine OEM component designed for Kirby G-Series and 500 Series upright vacuums. This precision part manages belt tension during operation, protecting the motor brushes from premature wear and maintaining optimal brush contact for extended motor life and consistent cleaning performance.

Engineered to exact Kirby specifications, the belt lifter is constructed from durable materials designed to withstand repeated engagement cycles without degradation. Installation is straightforward on compatible models, requiring no special tools.

Compatible Kirby Models: G4, G5, G6, G7, Sentria I, Sentria II, Avalir I, Avalir II, and 500 Series models. This part is cross-compatible across most G-Series applications.

Swiss Boy Vacuum in Bountiful, Utah has been Utah's largest Kirby dealer since 1963. We stock genuine Kirby parts and provide expert service and support for all your vacuum needs. Call us at 801-298-3656 for compatibility confirmation or to order.

Why Choose This Product?

• Genuine OEM Kirby part—guaranteed fit and performance
• Protects motor brushes from excessive wear by managing belt load
• Compatible with G4, G5, G6, G7, Sentria I & II, and Avalir I & II models
• Simple installation requiring no special equipment
• Maintains original brush contact pressure for consistent motor performance
• Extends motor lifespan and reduces maintenance costs
• In stock at Swiss Boy Vacuum with fast local shipping

Specifications

• Brand: Kirby
• Part Number: KB 144356
• Category: Belt Lifter / Tensioner Component
• Compatible Series: G-Series (G4, G5, G6, G7), Sentria I & II, Avalir I & II, 500 Series

Compatibility

• Kirby Models: G4, G5, G6, G7, Sentria I, Sentria II, Avalir I, Avalir II, 500 Series

Use Case

The Kirby Belt Lifter KB 144356 is essential for owners of G-Series and Sentria/Avalir Kirby vacuums who want to maintain peak motor performance and extend the life of their machines. If you're experiencing uneven brush wear, spotty cleaning, or want to preserve your investment in a quality upright vacuum, replacing a worn belt lifter restores proper tension control and brush engagement. This is a critical maintenance part for anyone keeping their Kirby running smoothly for decades of reliable performance.