The Husqvarna 505551301 Coupler is a genuine OEM component designed for the FS6800D floor saw. As a direct Husqvarna OEM part, this coupler is manufactured to the exact specifications required to restore proper function and fit to your machine. DHS Equipment supplies this part to help keep your FS6800D floor saw operating at full capacity. Cross-reference part number 505551301 against your parts diagram to confirm correct application before ordering.
Key Features
- OEM-Spec Power Transfer — Manufactured to Husqvarna's exact torque and dimensional tolerances, ensuring the coupler delivers the precise mechanical connection the FS6800D drivetrain demands.
- Direct-Fit Replacement — Engineered to seat and align exactly as the original, connecting to existing mounting points without modification or adaptation of surrounding components.
- FS6800D Floor Saw Compatibility — Confirmed fitment for the Husqvarna FS6800D walk-behind floor saw, so you can order with confidence knowing this is the correct part for your machine.
- Restored Drive Integrity — A worn or failed coupler causes power loss, vibration, and erratic blade engagement. Replacing it with this genuine part restores smooth, consistent power transmission from the engine to the cutting system.
- Genuine Husqvarna OEM Part — Sourced directly from Husqvarna's construction equipment parts program, this coupler meets the same build standards as the component originally installed on the FS6800D.
The coupler is a critical mechanical link in the floor saw's drivetrain, transferring rotational power from the engine or motor output shaft to the blade drive system. It absorbs minor misalignment and dampens shock loads during cutting starts and stops, protecting connected components from stress and premature wear. When the coupler is cracked, worn, or failed, the machine may exhibit vibration, inconsistent blade speed, or a complete loss of drive — making timely replacement essential for keeping the FS6800D cutting accurately and safely.
For fitment questions or assistance confirming that part number this part is correct for your machine, contact the DHS Equipment team directly.
Part Details
| Part Number | 505551301 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Coupler |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | FS6800D |
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.