The Husqvarna 501980201 Coupler is a genuine OEM replacement designed for K3000, K4000, and K3000VAC power cutters. Sourced directly from Husqvarna, this coupler delivers the precise fit and dimensional accuracy that direct OEM replacement demands. DHS Equipment supplies this part to help keep your equipment running at full capacity. Cross-reference part number 501980201 against your parts diagram to confirm compatibility before ordering.
Key Features
- OEM-Spec Engagement Tolerances — manufactured to Husqvarna's exact dimensional specifications, ensuring the drive engagement interface transfers torque cleanly without slippage or misalignment.
- Drop-In Replacement — matches the original mounting and connection points on K3000, K4000, and K3000VAC power cutters, allowing straightforward installation without modification.
- Broad K-Series Compatibility — a single part covering the K3000, K3000VAC, and K4000 power cutter families, confirmed by Husqvarna's OEM parts catalog.
- Sustained Power Transfer — a correctly functioning coupler ensures uninterrupted drive connection between components; a worn or failed coupler causes vibration, erratic blade behavior, and accelerated wear on adjoining parts.
- Genuine Husqvarna Part — carries the full backing of Husqvarna's OEM supply chain, so you can trust material grade and dimensional accuracy are consistent with the original build specification.
The coupler serves as the mechanical link that transfers rotational drive between two connected components within the power cutter's drive system. By maintaining a secure, aligned connection, it ensures consistent power delivery to the cutting blade and prevents energy loss through flex or slippage. When a coupler wears or fails, operators will typically notice vibration, uneven cutting performance, or audible drivetrain noise — all signs that the connection between driven components has been compromised and the part requires replacement.
Part Details
| Part Number | 501980201 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Coupler |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K3000 |
| Power Cutter | K4000 |
| Power Cutter | K3000VAC |
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.
