The Husqvarna 542139649 Adapter is a genuine OEM replacement designed for the FS4800D, FS5000D, FS5000, FS7000D, FS7000DL, FS7000DMT, and FS8400D floor saws. As a factory-sourced component, this adapter is manufactured to Husqvarna's exact specifications, ensuring a correct mechanical interface with no guesswork on fitment. Cross-reference part number 542139649 against your parts diagram to confirm compatibility with your specific machine configuration. DHS Equipment supplies this part to help keep your floor saw operating at full capacity.
Key Features
- Genuine OEM Construction — Sourced directly from Husqvarna, this adapter is machined to the exact tolerances required for proper mechanical engagement in the FS-series floor saw drivetrain.
- Direct Bolt-On Replacement — Engineered to match the original mounting interface, this component installs in place of the factory part without alteration or additional hardware.
- Broad FS-Series Compatibility — Fits the FS4800D, FS5000D, FS5000, FS7000D, FS7000DL, FS7000DMT, and FS8400D walk-behind floor saws, covering a wide range of Husqvarna's professional slab-cutting lineup.
- Restored Mechanical Alignment — A worn or damaged adapter can cause misalignment between connected components, leading to vibration, uneven cutting, or accelerated wear on surrounding parts. Replacing it restores proper alignment and smooth power transfer.
- Protects Surrounding Components — Using the correct OEM adapter prevents excessive stress on adjacent assemblies, helping extend the service life of the components it connects.
An adapter in a walk-behind floor saw serves as a precision interface between two mechanical components — typically bridging a drive shaft, blade arbor, or power transmission element to ensure torque is transferred correctly and components are held in proper alignment. When an adapter wears, cracks, or becomes damaged, the connection between those components becomes unstable, which can produce vibration, poor cutting performance, or damage to other parts of the drivetrain. Replacing the adapter with a genuine OEM part restores the mechanical integrity of the assembly and ensures the saw performs as intended.
Part Details
| Part Number | 542139649 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Adapter |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | FS4800D |
| Floor Saw | FS5000D |
| Floor Saw | FS7000D |
| Floor Saw | FS7000DL |
| Floor Saw | FS8400D |
| Floor Saw | FS5000 |
| Floor Saw | FS7000DMT |
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.