Product Description

The Dyson DC28 Main PCB Assembly (part #91577101) is the original equipment manufacturer (OEM) control board for Dyson DC28 upright vacuum cleaners. This main circuit board manages power distribution, motor speed control, and electrical functions throughout the vacuum. It is a critical component for any DC28 repair or restoration.

This is a genuine Dyson OEM part, designed and tested to meet Dyson's strict quality and performance standards. Proper installation requires electrical knowledge; we recommend professional service.

Compatibility: Dyson DC28 upright vacuums only. Not compatible with DC33, DC40, DC65, V-series, or other Dyson models.

Swiss Boy Vacuum is an authorized Dyson dealer and parts supplier serving the Wasatch Front since 1963. We stock genuine Dyson parts, offer professional repair and installation, and provide expert technical support. Contact us at 801-298-3656 for diagnostics, parts selection, or service in Bountiful, Utah.

Why Choose This Product?

• Genuine OEM Dyson part — exact replacement for DC28 main control board
• Manages motor speed, power delivery, and electrical switching functions
• Direct replacement for failed or malfunctioning original PCB
• Restores full vacuum performance and safety features
• Part #91577101 — verified Dyson part number for DC28 only

Specifications

• Brand: Dyson
• Part Number: 91577101
• Product Type: Main PCB Assembly / Control Board
• Compatible Model: Dyson DC28

Compatibility

• Dyson Models: DC28

Use Case

The DC28 main PCB assembly is essential for anyone repairing a Dyson DC28 upright that has lost power, has intermittent electrical operation, or exhibits motor control problems. Technicians and authorized service centers use this OEM board to restore full electrical function and extend the vacuum's service life. If your DC28 won't power on, shuts off unexpectedly, or the motor doesn't respond to speed controls, this control board may be the solution.