The Husqvarna 521969801 Key is a genuine OEM replacement designed for the FS4600G floor saw. As a direct factory replacement, this key ensures a correct, secure fit in the keyway without modification or guesswork. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- Genuine OEM Construction — Manufactured to Husqvarna's exact dimensional tolerances, ensuring the key seats properly in the keyway and transmits torque without slippage or play.
- Exact-Match Replacement — Engineered to the original profile so it installs directly into the FS4600G without filing, shimming, or fitting adjustments.
- FS4600G Floor Saw Compatibility — Verified fitment for the Husqvarna FS4600G floor saw; cross-reference 521969801 against your parts diagram before ordering to confirm correct application.
- Secure Power Transmission — A correctly sized key locks rotating components — such as pulleys, gears, or shafts — in alignment, preventing slippage that can cause premature wear or component damage.
- Simple Serviceability — Small in size but critical to drivetrain integrity, this part restores the shaft-to-hub connection quickly during scheduled maintenance or an unplanned repair.
A key is a small, precision-machined component that fits into a machined slot — called a keyway — between a shaft and a hub, such as a pulley, sprocket, or gear. It locks the two components together so they rotate as a single unit, transferring power without slippage. When a key shears, deforms, or goes missing, the driven component loses its positive connection to the shaft, which can result in loss of blade drive, erratic operation, or accelerated wear on the surrounding components. Replacing it promptly with the correct OEM part restores the drivetrain's integrity and keeps the FS4600G floor saw operating as intended.
Part Details
| Part Number | 521969801 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Key |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | FS4600G |
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.
