The Husqvarna 506372720 Belt is a genuine OEM drive belt designed for the K4000 and K3000 power cutters. As a direct OEM replacement, this belt is manufactured to Husqvarna's exact specifications, ensuring the same fit, tension, and power transfer characteristics as the original. DHS Equipment supplies this part to help keep your equipment running at full cutting capacity. Cross-reference part number 506372720 against your parts diagram to confirm correct fitment before ordering.
Key Features
- OEM Drive Belt Specification — Manufactured to Husqvarna's exact tension and profile tolerances, delivering the same power transfer performance as the belt your cutter shipped with.
- Direct Drop-In Replacement — Engineered to route and seat identically to the original, fitting the pulleys and belt path of the K4000 and K3000 without modification.
- Confirmed Power Cutter Fitment — Verified for the K4000 and K3000 power cutters; always cross-reference part number 506372720 with your serial plate and parts diagram.
- Restores Full Blade Power — A worn or slipping belt robs the blade of rotational force, causing slow cuts and excessive engine load. A fresh OEM belt restores crisp, efficient power delivery to the cutting wheel.
- Wear Item — Replace on Schedule — Drive belts are a service-interval component; replacing this belt at the first sign of glazing, cracking, or slipping prevents more costly secondary damage to pulleys and the clutch system.
The drive belt is the critical link between the engine's clutch drum and the blade spindle on a power cutter. It transfers rotational energy from the powerhead to the cutting wheel, and its condition directly determines how much of the engine's output actually reaches the blade. When a belt stretches, glazes, or cracks, the result is blade slippage, reduced cutting speed, increased fuel consumption, and added heat stress on surrounding components. Replacing the belt with a genuine OEM part like this one ensures the correct tension profile and material grade are restored, so the K4000 and K3000 perform exactly as Husqvarna intended.
Part Details
| Part Number | 506372720 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Belt |
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.
