The Husqvarna 544433901 Driving Pulley is a genuine OEM component designed for the K4000 and K3000 power cutters. Sourced directly from Husqvarna, this pulley is manufactured to the same specifications as the original, ensuring a correct, no-compromise fit within the belt drive system. It is compatible with K4000 and K3000 power cutters, making it the right choice when restoring the drive assembly on these machines. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- Genuine OEM Construction — Manufactured to Husqvarna's original specifications, with the precise dimensional tolerances required for correct belt engagement and drive efficiency in the K4000 and K3000 power cutters.
- Direct-Fit Replacement — Engineered to mount directly onto the original drive shaft position, aligning with the existing belt path without modification or shimming.
- Confirmed K-Series Compatibility — Verified fitment for K4000 and K3000 power cutters; cross-reference 544433901 against your machine's parts diagram before ordering to confirm application.
- Restored Belt Drive Performance — A correctly seated driving pulley maintains proper belt tension and tracking, delivering consistent power transfer to the blade. A worn or damaged pulley causes belt slippage, vibration, and loss of cutting speed.
- Long-Term Drive Train Integrity — Using an OEM pulley with the correct bore and groove profile protects the belt and driven components from accelerated wear caused by mismatched aftermarket profiles.
The driving pulley is the primary rotating component that transfers engine power to the cutting blade via the drive belt. Mounted on the crankshaft or drive shaft, it spins with the engine and pulls the belt to drive the blade spindle at the correct speed. When the pulley becomes worn, cracked, or develops an out-of-round profile, the belt loses consistent tension, leading to slippage, uneven cutting performance, and potential belt failure. Replacing a damaged driving pulley with a genuine OEM part restores the mechanical link between the engine and the blade, returning the machine to its intended cutting output.
Part Details
| Part Number | 544433901 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Driving Pulley |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K4000 |
| Power Cutter | K3000 |
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.
