The Husqvarna 506372721 Belt is a genuine OEM drive belt designed for the K650 and K1250 power cutters. As a direct Husqvarna OEM component, this belt is manufactured to the exact length, width, and tension specifications required by these machines, ensuring the drive system performs as intended. DHS Equipment supplies this part to help keep your equipment running at full capacity. Cross-reference part number 506372721 against your parts diagram to confirm fitment before ordering.
Key Features
- OEM Drive Specification — Manufactured to Husqvarna's exact length and tension tolerances, maintaining correct power transfer from the engine to the cutting head without slippage or premature stretch.
- Direct Drop-In Replacement — Engineered to route and seat on the same pulleys as the original, with no trimming or adaptation needed to complete the swap.
- Compatible with K650 and K1250 Power Cutters — Confirmed fitment for both of these Husqvarna handheld power cutter models, making it the correct choice for service and scheduled belt replacement on either machine.
- Restored Cutting Power — A correctly tensioned belt transfers engine output cleanly to the blade, restoring full cutting speed and preventing the power loss and blade drag that a worn or glazed belt causes.
- Genuine Husqvarna Part — Sourced directly from Husqvarna's OEM supply chain, so the compound, cord reinforcement, and dimensional profile match what shipped with the machine originally.
The drive belt on a power cutter transfers rotational power from the engine to the blade shaft, acting as the critical link between the motor and the cutting tool. Over time, belts stretch, glaze, or crack under the heat and load of heavy-duty cutting, which causes slippage, reduced blade speed, and uneven cuts. Replacing a worn belt with a correctly specified OEM unit restores full power transfer and protects the pulleys and clutch from the additional stress a slipping belt creates.
Part Details
| Part Number | 506372721 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Belt |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K650 |
| Power Cutter | K1250 |
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.
