Description
Overview:
This screw is a genuine Husqvarna OEM fastener designed for the precise assembly of Husqvarna professional chainsaws, including the 545 and 550 XP. Manufactured from durable steel with a protective finish, it provides reliable clamping force to keep critical components secure under vibration and heavy use. Built to Husqvarna's exact specifications, it delivers a consistent fit and dependable performance during maintenance or full rebuilds. Suitable for a wide range of mid-size Husqvarna saws used by arborists, forestry workers, and homeowners, it helps maintain alignment, prevents loosening, and supports smooth running. OEM No. 525 79 81-02 (MPN 525798102). Genuine Husqvarna part for assured compatibility and long service life.
Key Features:
- Genuine Husqvarna part for accurate fit and compatibility with listed models
- OEM No. 525 79 81-02; Manufacturer Part Number (MPN): 525798102
- Precision-made threads for strong, repeatable fastening
- Durable steel construction with a protective finish for wear resistance
- Helps resist vibration-related loosening when installed to specification
- Maintains correct alignment of housings, covers, and internal assemblies
- Consistent dimensions to match original factory specification on Husqvarna saws
- Straightforward to install with standard workshop tools
- Suitable for routine servicing, repairs, and full overhauls
- Supports safe, reliable operation by securing key components in place
Typical Applications:
Used across chainsaw assemblies to fasten components such as covers, housings, guards, handle systems, and other structural or mechanical parts. Ideal for replacing worn, corroded, or missing fasteners during scheduled maintenance or repairs to restore stability and reliability on professional and domestic Husqvarna chainsaws.
Also known as:
Chainsaw screw, fixing screw, machine screw, fastener, OEM screw, bolt, set screw (fully threaded bolt), retaining screw. Commonly referenced in parts diagrams as a standard assembly fastener for various subassemblies on Husqvarna chainsaws.
Fits Models:
540XP Mark III, 545, 550XP, 550XP/XPG, 550XPG, 556, 560XP, 560XP Mark II, 560XP/XPG, 560XPG, 560XPG Mark II, 562XP, 562XP Mark II, 562XP/XPG, 562XPG, 562XPG Mark II, T540 XP Mark III, T540XP, T540XPII
Alternate Part Numbers:
525 79 81-02, 525798102
Product Specifications
| L&S Part No. | 525 79 81 02 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 525798102 |
| Unit of Sale | 1 |
| Applications | 540XP Mark III, 545, 550XP, 550XP/XPG, 550XPG, 556, 560XP, 560XP Mark II, 560XP/XPG, 560XPG, 560XPG Mark II, 562XP, 562XP Mark II, 562XP/XPG, 562XPG, 562XPG Mark II, T540 XP Mark III, T540XP, T540XPII |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Fits Models | 545 | 550XP, 550XPG | 556 | 560XP, 560XPG | 562XP, 562XPG | T540XP | T540XPII | T540 XP Mark III | 540XP Mark III | 560XPG Mark II | 560XP Mark II | 562XPG Mark II | 562XP Mark II |
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