Product Description

The Hoover indicator knob part #38421052 is an original equipment replacement for Hoover's most popular upright vacuum lines. This control knob manages filter condition indicators and operational settings on WindTunnel T-Series, Max, React, and 3.0 series models, ensuring accurate feedback on vacuum performance and maintenance needs.

Built to OEM specifications, this knob features durable construction designed to withstand repeated adjustment and frequent use. The knob integrates with Hoover's indicator system to display filter fullness and system status, critical for maintaining optimal suction and motor protection.

Compatibility: WindTunnel T-Series, WindTunnel Max, WindTunnel React, WindTunnel 3.0, and select commercial Hushtone and Conquest models. Verify your model number before ordering.

Swiss Boy Vacuum is an authorized Hoover parts dealer serving the Wasatch Front in Utah since 1963. We stock genuine OEM parts and provide expert guidance on Hoover vacuum repair and maintenance. Call us at 801-298-3656 for compatibility confirmation and fast shipping.

Why Choose This Product?

• Original equipment manufacturer (OEM) part ensures perfect fit and function
• Genuine Hoover part #38421052—not aftermarket or clone
• Restores accurate filter condition indication on upright vacuums
• Compatible with multiple WindTunnel series for broad household coverage
• Durable construction rated for thousands of adjustment cycles
• Quick-swap replacement—no tools or technical knowledge required

Specifications

• Brand: Hoover
• Part Number: 38421052
• Product Type: Indicator Knob / Control Knob
• Condition: New / Original Equipment

Compatibility

• Hoover Models: WindTunnel T-Series, WindTunnel Max, WindTunnel React, WindTunnel 3.0, select Hushtone and Conquest commercial models

Use Case

This indicator knob is essential for homeowners whose Hoover upright vacuum's control knob has cracked, broken, or stopped rotating smoothly. Users need this part to restore visual feedback on filter status and operational settings—a critical function that protects the motor and maintains suction performance. Whether the original knob was damaged by impact or simply wore out from years of daily use, this genuine replacement restores full functionality to your WindTunnel vacuum.