Description
Overview:
This genuine Husqvarna screw (Manufacturer Part Number 525 79 81-03) is an OEM fastener used across a wide range of Husqvarna chainsaws to secure key assemblies under vibration and load. Made from durable, hardened steel with a protective finish, it offers strong clamping force and reliable thread engagement to help maintain the integrity of your machine. It is engineered for accurate fitment in factory mating points, supporting safe, consistent performance during cutting tasks. Suitable for routine maintenance and repairs, it replaces worn or missing screws to restore proper assembly and torque retention. Designed for professional and domestic use alike, it is ideal for popular models such as the Husqvarna 545 and 555, as well as many other petrol and battery-powered Husqvarna saws. Genuine Husqvarna part.
Key Features:
- Genuine Husqvarna part for assured compatibility and quality
- Hardened steel construction for strength and long service life
- Factory-grade finish helps resist wear and corrosion in harsh conditions
- Precision fit supports correct torque and secure clamping under vibration
- Consistent performance meets OEM specifications
- Helps maintain safety by keeping guards and housings firmly fixed
- Suitable replacement for damaged or lost fasteners during servicing
- Easy to install with standard tools, no modifications required
- Supports reliable operation of the saw in professional and DIY settings
Typical Applications:
Used to fasten various assemblies on Husqvarna chainsaws, including external covers, guards, handles, housings, and other factory mounting points. Ideal during routine strip-downs, refurbishment, and part replacements where an original-spec fastener is required to restore secure fitment and prevent loosening under vibration.
Also known as:
Chainsaw fixing screw, OEM fastener, machine screw for Husqvarna, replacement bolt, service screw, bodywork screw, casing screw, equipment fastener.
Fits Models:
340i, 435i, 540IXP, 540i XP, 545, 545 Mark II, 545G Mark II, 550XP, 550XP Mark II, 550XP Mark II TrioBrake, 550XP/XPG, 550XPG, 550XPG Mark II, 550XPG Mark II TrioBrake, 555, 556, 560XP, 560XP Mark II, 560XP/XPG, 560XPG, 560XPG Mark II, 562XP, 562XP Mark II, 562XP/XPG, 562XPG, 562XPG Mark II, 565, 572XP, 572XP/XPG, 572XPG, 592 XP, 592XP, K535i
Alternate Part Numbers:
525 79 81-03, 525798103
Product Specifications
| L&S Part No. | 525 79 81 03 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 525798103 |
| Unit of Sale | 1 |
| Applications | 340i, 435i, 540IXP, 540i XP, 545, 545 Mark II, 545G Mark II, 550XP, 550XP Mark II, 550XP Mark II TrioBrake, 550XP/XPG, 550XPG, 550XPG Mark II, 550XPG Mark II TrioBrake, 555, 556, 560XP, 560XP Mark II, 560XP/XPG, 560XPG, 560XPG Mark II, 562XP, 562XP Mark II, 562XP/XPG, 562XPG, 562XPG Mark II, 565, 572XP, 572XP/XPG, 572XPG, 592 XP, 592XP, K535i |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Fits Models | 545 | 550XP, 550XPG | 555 | 556 | 560XP, 560XPG | 562XP, 562XPG | 565 | 572XP, 572XPG | 340i | 540i XP | 592 XP | K535I | 550XP Mark II | 435i | 545 Mark II | 545G Mark II | 550XPG Mark II | 550XPG Mark II Triobrake | 550XP Mark II Triobrake | 560XPG Mark II | 560XP Mark II | 562XPG Mark II | 562XP Mark II |
