The Husqvarna 506266603 Belt Tensioner Assembly is a genuine OEM component designed for the K1250 power cutter. Sourced directly from Husqvarna, this assembly matches the original specification for correct belt engagement and consistent drive performance. Cross-reference part number 506266603 against your parts diagram to confirm fitment before ordering. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- OEM-Matched Tensioning Geometry — Built to Husqvarna's exact pivot angle and spring-load specification, so belt tension is maintained within the designed operating range from the moment the assembly is installed.
- Direct-Swap Replacement — Engineered to the same mounting dimensions and hardware interface as the original, allowing the assembly to drop into the K1250 tensioner position without modification.
- K1250 Power Cutter Compatibility — Confirmed fitment for the K1250, one of Husqvarna's high-output handheld power cutters used in demanding concrete and masonry applications.
- Consistent Belt Drive Performance — A correctly functioning tensioner holds the drive belt at the proper load, preventing slippage under heavy cutting resistance and maintaining full power transfer to the blade.
- Genuine Husqvarna OEM Quality — Manufactured to the same material and tolerance standards as the part it replaces, ensuring the assembly operates as intended throughout its service life.
The belt tensioner assembly maintains the correct amount of pressure on the drive belt that transfers engine power to the cutting blade. When tension is too low, the belt slips under load, causing lost cutting power and accelerated belt wear. When the tensioner itself wears out or fails — through a fatigued spring, cracked pivot arm, or seized pulley — the operator loses consistent drive engagement, which can result in erratic cutting performance and increased stress on surrounding drive components. Replacing a worn tensioner assembly restores proper belt load and protects the rest of the drive system.
Part Details
| Part Number | 506266603 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Belt Tensioner Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| 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.
