The Husqvarna 506266604 Belt Tensioner Assembly is a genuine OEM component designed for K750, K760, K760II, and K960 power cutters. As a factory-original part, it delivers the exact fit and mechanical tolerancing required to maintain proper belt engagement on these high-demand machines. DHS Equipment supplies this part to help keep your equipment running at full capacity. Cross-reference part number 506266604 against your parts diagram to confirm compatibility before ordering.
Key Features
- Factory-Original Tensioner Geometry — manufactured to Husqvarna's OEM specifications, ensuring the tensioner arm and spring rate match the original design exactly as intended for power cutter belt drive systems.
- Direct Assembly Replacement — this assembly installs as a complete unit, replacing the worn tensioner in its entirety and restoring the belt drive to its correct operating configuration.
- Broad Power Cutter Compatibility — fits K750, K760, K760II, and K960 power cutters, covering several of Husqvarna's most widely used handheld cut-off saw platforms.
- Consistent Belt Drive Performance — a correctly functioning tensioner maintains steady belt contact with the drive and blade pulleys, delivering smooth power transfer and preventing belt slip under load.
- Prevents Premature Belt Wear — a failed or weakened tensioner allows belt slack, accelerating wear on both the belt and pulley surfaces; replacing this assembly promptly protects surrounding drivetrain components.
The belt tensioner assembly maintains the correct amount of tension on the drive belt that transfers power from the engine to the blade arbor in a power cutter. When tension is properly set, the belt grips the pulleys firmly and transmits full engine output to the cutting blade without slipping. When the tensioner weakens, loses spring pressure, or fails mechanically, belt slip increases, cutting performance drops, and the belt itself wears rapidly — often damaging the pulleys in the process. Replacing this assembly restores the drivetrain to proper operating condition and protects the broader belt drive system from further damage.
Part Details
| Part Number | 506266604 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Belt Tensioner Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K760II |
| Power Cutter | K760 |
| Power Cutter | K750 |
| Power Cutter | K960 |
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.
