This genuine Husqvarna pulley replacement kit is designed to restore reliable power transfer and clutch performance on professional K770 cutoff saws. Built with durable OEM components, it helps keep your equipment running smoothly in demanding cutting applications.
Key Features:
- Genuine Husqvarna OEM clutch drum pulley, clutch assembly, and drive belt for the K770 cutoff saw, engineered for long service life and consistent performance.
- Optimized power transmission from engine to blade, helping maintain cutting speed and reduce belt slippage under heavy load.
- Ball bearing–style clutch drum pulley for smoother operation and reduced wear on the belt and drive components in the K750, K760, K770, and K970 platform.
- Complete solution in one kit, simplifying routine drive service and minimizing downtime for concrete and asphalt cutting contractors.
| Component | Brand | Part Number | Quantity |
| Clutch Drum Pulley (Ball Bearing Style) | K750, K760, K770, K970 | Husqvarna | 590805901 | 1 |
| Clutch Assembly | K750, K760, K770 | Husqvarna | 503744406 | 1 |
| Drive Belt | K770 | Husqvarna | 544908406 | 1 |
| Pulley Retarder | Husqvarna | 588470403 | 1 |
Compatible Equipment Models:
Fits select models from Husqvarna:
- K750 concrete / disc cutter (clutch drum pulley and clutch assembly compatibility).
- K760 concrete / disc cutter (clutch drum pulley and clutch assembly compatibility).
- K770 cutoff saw (clutch drum pulley, clutch assembly, drive belt, and pulley retarder).
- K970 series saws where the ball bearing–style clutch drum pulley configuration is specified.
Husqvarna
Front Pulley and Belt Kit - Husqvarna K770 - Genuine OEM Kit
$116.95
DHS Quality Parts
Maintenance Kit - Husqvarna K770 - DHS Quality Parts Kit
$74.95
