Description
Overview:
This genuine Husqvarna washer (MPN 521 75 82-01) is a small but critical fixing for securing assemblies on professional and domestic brushcutters. Made from durable steel, it spreads clamping force evenly and helps prevent fasteners from loosening under vibration, protecting threads and maintaining alignment. It is engineered for a precise fit in Husqvarna machines, including the 525RXT Mark II and 525RX Mark II, to support reliable operation during cutting and trimming work. Use it as a direct replacement when servicing high‐vibration points such as cutting attachments, guards, or handle and gear head fixings. As a genuine Husqvarna part, it helps maintain original build quality and performance while making routine maintenance straightforward.
Key Features:
- Genuine Husqvarna OEM part for assured fit and performance (MPN 521 75 82-01)
- Strong steel construction for durability in high‐vibration use
- Accurate dimensions for the intended Husqvarna assemblies and fasteners
- Helps maintain clamping force and component alignment
- Supports stable operation of cutting heads, gear heads, and guards
- Easy to fit as a like‐for‐like replacement for the original washer
- Suitable for routine servicing to reduce wear and prevent loosening
- Compatible with a wide range of Husqvarna 525‐series machines
Typical Applications:
Used wherever a flat bearing surface is needed to distribute load under a bolt or nut on Husqvarna brushcutters. Common around cutting attachments, gear head fixings, guard brackets, shaft clamps, and handle mounts to improve stability, prevent fastener pull‐through, and reduce vibration‐related loosening during landscaping, trimming, and brush clearing.
Also known as:
Flat washer, spacer washer, shim washer, fixing washer, retaining washer, OEM washer for Husqvarna 525‐series machines.
Fits Models:
226R, 226RJ, 524 L, 524L, 525 LS Mark II, 525 LST Mark II, 525L, 525LK, 525LS, 525LST, 525P4S, 525P5S, 525PT5S, 525RJD, 525RJX, 525RK, 525RS, 525RX, 525RX Mark II, 525RXT, 525RXT Mark II
Alternate Part Numbers:
521 75 82-01, 521758201
Product Specifications
| L&S Part No. | 521 75 82 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 521758201 |
| Unit of Sale | 1 |
| Machine Type | Brushcutters |
| Fits Brands | Husqvarna |
| Key Features | - Genuine Husqvarna OEM part ensures precise fit and performance - Durable steel construction withstands high-vibration environments - Compatible with Husqvarna 525-series brushcutters - Distributes clamping force to prevent loosening - Suitable for cutting attachments, gear heads, and guards |
| Fits Models | 525P4S | 525P5S | 525PT5S | 226R | 226RJ | 525L | 525LK | 525LS | 525LST | 525RJD | 525RJX | 525RK | 525RS | 525RX | 525RXT | 524 L | 525 LS Mark II | 525 LST Mark II | 525RX Mark II | 525RXT Mark II |
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