Description
Overview:
This replacement knob fits the Husqvarna KV03 Trolley used with disc cutters. It is a hand-tightened control that secures and adjusts key settings on the trolley, helping you keep cuts straight and consistent. Made from hard‐wearing plastic with a grippable profile, it is suitable for daily site use and workshop maintenance. The knob is engineered for the Husqvarna KV03, so the fit and function align with the original layout of the trolley. Use it to restore smooth adjustment, confident clamping, and reliable operation when refurbishing trolleys used alongside cut‐off saws for concrete, masonry, and asphalt work. Supplied as a single replacement part, ready to fit on the corresponding stud or bolt on the trolley assembly.
Key Features:
- Designed to fit the Husqvarna KV03 trolley for disc cutters
- Durable, impact‐resistant plastic body for long service life in tough conditions
- Ergonomic, easy‐grip profile for confident hand tightening, even with gloves
- Helps secure adjustments and resist vibration during cutting tasks
- Clean, straightforward replacement with a like‐for‐like fit on the trolley
- Suitable for routine maintenance to keep adjustments smooth and repeatable
- Compact form factor to avoid snagging while in use or during transport
- Supports accurate alignment and dependable clamping on the KV03 setup
Typical Applications:
Securing and adjusting settings on the Husqvarna KV03 trolley during straight and guided cutting. Common on construction sites, road and civils work, landscaping, utilities, and hire fleets. Useful when maintaining trolleys used with cut‐off saws for cutting concrete slabs, kerbs, blocks, and asphalt, or when replacing worn or missing control knobs to restore correct operation.
Also known as:
Hand knob, star knob, clamping knob, thumb knob, tightening knob, adjustment knob, control knob, locking knob, grip knob. Often used to describe manual clamping and alignment controls on trolley and guide systems for disc cutters and other site machinery.
Fits Models:
KV03
Alternate Part Numbers:
506 31 95-01, 505 30 73-07, 505307307, 506319501
Product Specifications
| L&S Part No. | 505 30 73 07 |
|---|---|
| Manufacturer | Husqvarna |
| OEM No. | 506319501 |
| Unit of Sale | 1 |
| Machine Type | Disc Cutters |
| Fits Brands | Husqvarna |
| Key Features | - Fits Husqvarna KV03 trolley for disc cutters - Impact-resistant plastic for durability - Ergonomic grip for easy hand tightening - Ensures secure adjustments during cutting - Direct replacement for original trolley knob |
| Fits Models | KV03 |


