Description
Overview:
The Gearbox Cover for Stihl HS46 (OEM 4242 640 5803) is a genuine Stihl replacement part for the hedge trimmer blade-drive gearbox. Built from durable materials for long service life, it shields the gears, bearings and grease cavity from dirt, moisture and impact, helping to maintain smooth running and reduce wear. It is designed for Stihl petrol hedge trimmers such as the HS 46 and HS 46 C, restoring protection to the front gear head when the original cover is cracked, worn or missing. The precise OE specification ensures the correct alignment and sealing surfaces, supporting reliable operation and consistent cutting performance. A straightforward swap using the original fixings, it is suitable for routine maintenance or repair to keep your hedge trimmer working as intended.
Key Features:
- Genuine Stihl part for exact fit and correct clearances (OEM 4242 640 5803)
- Protects gearbox internals from dust, debris and moisture to reduce wear
- Robust, long-lasting construction suited to regular domestic or trade use
- Helps maintain smooth cutting performance and efficient power transfer
- Direct replacement using existing screws and sealing surfaces where fitted
- Designed to match Stihl geometry for fast, no-modification installation
- Compatible across HS 46 / HS 46 C / HS 56 / HS 56 C families for easy identification
- Supports proper grease retention and safeguards moving parts
Typical Applications:
Replacement of a damaged or missing gearbox cover on Stihl hedge trimmers used in gardening, landscaping, grounds maintenance, and estate work. Ideal during servicing to restore protection after impacts or wear, to prevent ingress of contaminants, retain lubrication, and keep the gear head operating smoothly and safely in daily use.
Also known as:
Gearbox casing, gear housing, gearbox lid, gear head cover, gear case cover. These terms refer to the protective front cover of the hedge trimmer's gear head that encloses and shields the drive components and lubrication area.
Fits Models:
HS 46, HS 46 C, HS 56 C, HS46, HS46 C, HS46C, HS56, HS56C
Product Specifications
| L&S Part No. | 4242 640 5803 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42426405803 |
| Unit of Sale | 1 |
| Applications | HS 46, HS 46 C, HS 56 C, HS46, HS46 C, HS46C, HS56, HS56C |
| Machine Type | Hedgetrimmers |
| Fits Brands | Stihl |
| Fits Models | HS 46, HS46 C | HS56 |
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