The Husqvarna 590370601 Flange Washer is a genuine OEM component designed for the K770 power cutter. Sourced directly from Husqvarna, this flange washer is manufactured to the exact specifications of the original part, ensuring a correct, secure fit without guesswork. DHS Equipment supplies this part to help keep your equipment running at full capacity. Cross-reference part number 590370601 against your K770 parts diagram to confirm fitment before ordering.
Key Features
- Genuine OEM Construction — manufactured to Husqvarna's exact material and dimensional specifications, delivering the same clamping integrity as the original flange washer
- Exact-Match Installation — engineered to seat correctly on the K770 spindle assembly, aligning with the existing bolt pattern and mating surfaces without modification
- K770 Power Cutter Fitment — purpose-built for the K770, one of Husqvarna's most widely used handheld power cutters on construction and demolition sites
- Secure Blade Retention — a properly functioning flange washer maintains even clamping pressure on the cutting disc, which is critical for stable, controlled cutting performance
- Safety-Critical Component — correct disc clamping prevents blade slippage or wobble during operation; always replace a damaged or deformed flange washer before returning the machine to service
A flange washer on a power cutter serves as the clamping interface between the blade flange and the cutting disc, distributing bolt load evenly across the disc face to hold it firmly in place during operation. Without proper clamping force, a cutting disc can shift, vibrate, or lose concentricity, leading to poor cut quality and a serious safety risk. Replacing a worn, cracked, or deformed flange washer with a genuine OEM part like this one restores the correct clamping geometry and keeps the K770 operating as intended.
Part Details
| Part Number | 590370601 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Flange Washer |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K770 |
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.
