The Husqvarna 590372801 Fan is a genuine OEM component designed for the K770 power cutter. Sourced directly from Husqvarna, this fan is manufactured to the exact specifications required for proper airflow and engine cooling on the K770. DHS Equipment supplies this part to help keep your equipment running at full capacity. Cross-reference part number 590372801 against your parts diagram to confirm fitment before ordering.
Key Features
- OEM Airflow Precision — Manufactured to Husqvarna's exact blade geometry and rotational specifications, ensuring the correct volume and direction of airflow across the engine — not a close approximation.
- Direct-Fit Replacement — Engineered to mount to the K770 crankshaft hub using the original fastener pattern, allowing straightforward installation without modification to surrounding components.
- K770 Power Cutter Compatibility — Verified genuine OEM fitment for the K770, one of Husqvarna's most widely used handheld power cutters on concrete and masonry jobsites.
- Engine Temperature Control — A functioning fan maintains safe operating temperatures under sustained load; a damaged or missing fan risks overheating that can cause premature engine wear or seizure.
- Genuine Husqvarna Part — As a genuine OEM component, this fan matches the material grade and balance tolerancing of the original — critical for a high-speed rotating part subject to continuous vibration.
The fan on a K770 power cutter is responsible for drawing cooling air across the engine cylinder and cylinder head during operation. Mounted directly to the crankshaft, it spins continuously with the engine and forces air through the shrouding to prevent heat buildup during demanding cuts. When a fan becomes cracked, chipped, or imbalanced — whether from impact or general wear — cooling efficiency drops sharply, leading to elevated operating temperatures that can shorten engine life or cause the machine to shut down under load. Replacing it with a correctly balanced, properly dimensioned fan restores the engine's thermal management and protects the internal components that depend on it.
Part Details
| Part Number | 590372801 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Fan |
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.
