The Husqvarna 590488401 Torsion Spring is a genuine OEM component designed for the K770 power cutter. Sourced directly from Husqvarna, this torsion spring meets the exact specifications of the original part, ensuring correct tension and reliable operation. Cross-reference part number 590488401 against your parts diagram to confirm fitment before ordering. DHS Equipment supplies this part to help keep your K770 power cutter performing at its best.
Key Features
- Genuine OEM Spring Rate — manufactured to Husqvarna's exact tension specification, so the spring delivers the correct rotational force required for proper component function on the K770.
- Direct OEM Replacement — this torsion spring matches the original mounting points and geometry, allowing it to seat and connect exactly as the factory part does.
- K770 Power Cutter Compatibility — engineered specifically for the K770 power cutter, eliminating guesswork around fitment and spring sizing.
- Restored Mechanical Response — a correctly tensioned torsion spring keeps spring-loaded mechanisms returning to position consistently, preventing sluggish or incomplete operation that a worn spring causes.
- OEM Material Grade — formed from the same steel alloy and heat-treatment process as the original, maintaining the spring's fatigue resistance through repeated flex cycles.
A torsion spring stores and releases rotational energy to keep spring-loaded assemblies — such as guards, levers, or return mechanisms — operating with consistent, controlled movement. On a power cutter like the K770, a properly functioning torsion spring ensures that moving components snap back to their neutral or closed position with the correct force. When the spring weakens, loses its set, or breaks, the affected mechanism may respond slowly, fail to return fully, or stop functioning altogether, impacting both operator control and cutting efficiency.
Part Details
| Part Number | 590488401 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Torsion Spring |
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.
