The Husqvarna 531123279 Motor Interface Board is a genuine OEM electronic control component designed for the WS440HF and WS440 wall saws. As an authentic Husqvarna replacement, this board is manufactured to the exact electrical specifications required for proper motor communication and machine operation. DHS Equipment supplies this part to help keep your wall saw performing at full capacity. Cross-reference part number 531123279 against your parts diagram to confirm fitment before ordering.
Key Features
- OEM Electrical Specification Match — manufactured to Husqvarna's exact circuit and signal tolerances, ensuring the board communicates correctly with the motor control system without signal error or mismatch.
- Direct Drop-In Replacement — engineered to mount and connect using the original interface points, allowing straightforward installation without adapters or wiring modifications.
- Confirmed Fitment for WS440HF and WS440 Wall Saws — compatible with both the standard and high-frequency variants of the WS440 wall saw family.
- Restored Motor Control Integrity — a functioning Motor Interface Board keeps motor speed, direction, and load feedback operating correctly; a failed board can result in erratic motor behavior or complete loss of saw function.
- Genuine Husqvarna OEM Part — sourced directly from Husqvarna's construction equipment parts program, ensuring the component meets the same quality standard as the original factory-installed unit.
The Motor Interface Board serves as the electronic link between the wall saw's control system and its drive motor. It processes and relays signals that govern motor speed, direction, and load response — functions that are critical to accurate, controlled cutting on the WS440HF and WS440 wall saws. When this board fails or develops a fault, the motor may behave unpredictably, lose responsiveness, or stop functioning entirely, making prompt replacement essential to restore safe and effective operation.
Part Details
| Part Number | 531123279 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Motor Interface Board |
Compatibility & Fitment
| Name | Model |
|---|---|
| Wall Saw | WS440HF |
| Wall Saw | WS440 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
