The Husqvarna 539102067 Key Quarter Square X Three Quarter is a genuine OEM component designed for the PRO65G floor saw. Sourced directly from Husqvarna, this key meets the exact dimensional and material specifications required for proper shaft-to-component engagement on the PRO65G. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- Genuine OEM Specification — Manufactured to Husqvarna's exact dimensional tolerances, ensuring the correct cross-section and length for a secure, slip-free fit in the keyway.
- Direct Drop-In Replacement — Sized to seat flush in the PRO65G keyway with no filing, shimming, or rework required, restoring the shaft connection as built.
- Confirmed PRO65G Fitment — Verified for the PRO65G floor saw; cross-reference part number 539102067 against your parts diagram before ordering to confirm the correct application.
- Positive Power Transmission — A properly seated drive key locks rotating components firmly to the shaft, preventing slippage that would otherwise cause uneven blade speed or premature wear on mating surfaces.
- Corrosion-Resistant Construction — Built from hardened steel suited to the wet and abrasive environment of concrete floor sawing, holding up under continuous torque load without deforming.
A drive key is a small but critical component that locks a rotating part — such as a pulley, sprocket, or blade arbor — to its shaft, ensuring both turn as a single unit under load. When the key is worn, sheared, or missing, the shaft and the component it drives will slip relative to each other, causing lost power, vibration, accelerated wear on the keyway, and potential damage to surrounding components. Replacing a damaged key with the correct OEM part restores positive engagement and protects the integrity of the entire drive assembly.
Part Details
| Part Number | 539102067 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Key Quarter Square X Three Quarter |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | PRO65G |
| Floor Saw | Pro65G |
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.
Husqvarna