The Husqvarna 503744301 Clutch Spring is a genuine OEM component designed for K650, K750, K760, K760II, K770, K700, and K650CutnBreak power cutters. As a direct OEM replacement, this spring restores proper clutch engagement and release characteristics, ensuring the drivetrain behaves exactly as Husqvarna engineered it. DHS Equipment supplies this part to help keep your power cutter running at full capability. Cross-reference part number 503744301 against your machine's parts diagram to confirm fitment before ordering.
Key Features
- OEM Spring Rate Accuracy — manufactured to Husqvarna's exact tension specification, so clutch engagement force and release point match the original design precisely
- Drop-In Clutch Replacement — engineered to seat directly into the clutch assembly without alteration, maintaining correct drum clearance and pad contact
- Broad K-Series Power Cutter Compatibility — fits K650, K650CutnBreak, K700, K750, K760, K760II, and K770 power cutters, covering a wide range of Husqvarna's professional handheld cutting lineup
- Restored Clutch Response — a worn or fatigued spring causes slipping, delayed engagement, or erratic blade speed; replacing it with this part brings clutch response back to spec
- Operational Safety — correct clutch spring tension is critical to preventing unintended blade movement at idle; using a genuine OEM spring ensures the clutch disengages cleanly and reliably
The clutch spring sits within the centrifugal clutch assembly and applies the return force that holds the clutch shoes retracted at idle, keeping the cutting disc stationary when the engine is not under load. As engine speed rises, centrifugal force overcomes the spring tension and the shoes engage the drum, transferring power to the blade. When the spring weakens or breaks, the clutch can slip under load, fail to disengage at idle, or produce inconsistent blade engagement — all of which affect both cut quality and operator safety. Replacing a fatigued spring with a genuine Husqvarna 503744301 Clutch Spring restores the precise engagement threshold the machine was built around.
Part Details
| Part Number | 503744301 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Clutch Spring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K760 |
| Power Cutter | K760II |
| Power Cutter | K770 |
| Power Cutter | K650 |
| Power Cutter | K750 |
| Power Cutter | K700 |
| Power Cutter | K650CutnBreak |
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.
