The Husqvarna 505411801 Relay is a genuine OEM electrical component designed for the FS4800D floor saw. As a direct factory replacement, this relay is built to Husqvarna's exact specifications, ensuring the correct switching behavior and electrical compatibility your machine depends on. DHS Equipment supplies this part to help keep your FS4800D floor saw operating at full capacity. Cross-reference part number 505411801 against your parts diagram to confirm fitment before ordering.
Key Features
- Genuine OEM Electrical Spec — manufactured to Husqvarna's exact switching voltage and current ratings, so circuit behavior matches the original design of the FS4800D floor saw.
- Direct Drop-In Replacement — engineered to connect to the existing wiring harness and mounting position without modification, making installation straightforward for qualified service technicians.
- Purpose-Built for the FS4800D — verified fitment for the FS4800D floor saw, eliminating guesswork when sourcing electrical components for this machine.
- Restored Electrical Control — a functioning relay correctly routes power to the machine's key circuits; a failed relay can prevent the saw from starting or cause erratic operational behavior, making prompt replacement critical.
- Genuine Husqvarna Part — backed by Husqvarna's OEM supply chain, this component meets the same standards as the part originally installed on the floor saw at the time of manufacture.
A relay is an electrically operated switch that allows a low-current control signal to activate or deactivate a higher-current circuit within the machine. In a floor saw like the FS4800D, relays manage critical functions such as engine starting, blade engagement, or safety interlocks. When a relay fails, the affected circuit loses its switching signal — which can result in the machine failing to start, components not engaging, or safety systems not responding as intended. Replacing a faulty relay with the correct OEM part restores proper electrical control and ensures the machine performs as designed.
Part Details
| Part Number | 505411801 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Relay |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | FS4800D |
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.