Description
Overview:
The Bolt for Husqvarna 525-series machines (MPN 577 81 54-01) is a genuine Husqvarna fastener used to secure key components on petrol and battery-powered brushcutters and related tools. Made from durable metal and built to OEM standards, it provides a tight, reliable hold where vibration resistance and long service life are essential. It is suitable for routine maintenance and repair on popular models such as the Husqvarna 525L and 525RX, helping keep guards, covers and assemblies firmly in place. As a Genuine Part, it matches the original specification for fit and compatibility across listed models, supporting safe and consistent performance of your equipment during regular domestic, commercial, and landscaping work.
Key Features:
- Genuine Husqvarna part for precise fit and compatibility across listed models
- Durable construction suited to high-vibration garden and construction environments
- Engineered to OEM tolerances for dependable clamping force and alignment
- Helps maintain machine stability by keeping assemblies securely fastened
- Easy to install with standard hand tools during routine servicing
- Suitable for regular maintenance or like-for-like replacement of worn or missing hardware
- Supports reliable operation of brushcutters and related pole and hedge tools
Typical Applications:
Used to secure components such as guards, covers, brackets, clamps and attachment points on Husqvarna brushcutters and related machines. Ideal for workshop repairs, field replacements, and preventative maintenance where a correct-specification OEM bolt is required to withstand vibration, frequent starts and stops, and outdoor use.
Also known as:
Cap screw, machine screw, mounting bolt, retaining bolt, equipment bolt, hardware fastener, securing bolt, attachment bolt. Commonly referenced as an OEM bolt for Husqvarna 525-series tools where a like-for-like replacement is needed.
Fits Models:
325HE3, 325HE4, 524 L, 524L, 525 LS Mark II, 525 LST Mark II, 525BX, 525HE3, 525HE4, 525HF3S, 525L, 525LK, 525LS, 525LS Mark II, 525LST, 525LST Mark II, 525P4S, 525P5S, 525PT5S, 525RJD, 525RJX, 525RK, 525RS, 525RX, 525RX Mark II, 525RXT, 525RXT Mark II, 525RXTMarkII, 536LiPT5
Alternate Part Numbers:
577 81 54-01, 577815401
Product Specifications
| L&S Part No. | 577 81 54 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 577815401 |
| Unit of Sale | 1 |
| Applications | 325HE3, 325HE4, 524 L, 524L, 525 LS Mark II, 525 LST Mark II, 525BX, 525HE3, 525HE4, 525HF3S, 525L, 525LK, 525LS, 525LS Mark II, 525LST, 525LST Mark II, 525P4S, 525P5S, 525PT5S, 525RJD, 525RJX, 525RK, 525RS, 525RX, 525RX Mark II, 525RXT, 525RXT Mark II, 525RXTMarkII, 536LiPT5 |
| Machine Type | Brushcutters |
| Fits Brands | Husqvarna |
| Fits Models | 325HE3 | 325HE4 | 525HF3S | 525P4S | 525P5S | 525PT5S | 536LiPT5 | 525BX | 525L | 525LK | 525LS | 525LST | 525RJD | 525RJX | 525RK | 525RS | 525RX | 525RXT | 524 L | 525HE3 | 525HE4 | 525 LS Mark II | 525 LST Mark II | 525RX Mark II | 525RXT Mark II |
