Description
Overview:
The Gearbox Cover for Stihl HS56 hedge trimmers is a genuine Stihl replacement part designed to protect and house the cutter head gearbox. Built from a robust metal housing, it shields the gear set and bearings from impacts, debris, and moisture while helping to retain grease inside the gearbox for smooth running. This cover restores the integrity of the drive end of the machine, supporting reliable blade movement under load. Engineered specifically for the Stihl HS56, it offers the correct geometry and mounting points for a precise fit. Supplied under OEM No. 4242 640 5805, it is a direct replacement for a cracked, worn, or corroded cover and is suitable for routine servicing or repair where the original casing has been damaged. Genuine Stihl part for assured compatibility and quality.
Key Features:
- Genuine Stihl part for the HS56 for correct fit and performance
- Durable metal construction for impact resistance and long service life
- Protects gears and bearings from debris ingress and wear
- Helps contain gearbox grease for consistent lubrication
- Accurate moulding maintains gearbox alignment and smooth blade drive
- Pre-formed fixing points match original screws for quick fitting
- Suitable for preventative maintenance or like-for-like replacement
- Direct replacement by OEM No. 4242 640 5805
- Reliable upgrade when the original cover is cracked or corroded
- Supports efficient, low-vibration cutting by keeping the gearbox secure
Typical Applications:
Used during repairs and routine maintenance of Stihl HS56 hedge trimmers to replace a damaged or leaking gearbox cover. Ideal after impact, heavy use, or corrosion, and when refurbishing the cutter head to restore protection, retain grease, and ensure dependable transmission of power to the blades in domestic, commercial, and landscaping work.
Also known as:
Gear head cover, gear case cover, gearbox housing cover, front gearbox housing, cutter head cover, gear case lid, HS56 gear housing, hedge trimmer gearbox casing, Stihl HS56 cutter head casing.
Fits Models:
HS56
Alternate Part Numbers:
4242-640-5805, 42426405805
Product Specifications
| L&S Part No. | 4242 640 5805 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42426405805 |
| Unit of Sale | 1 |
| Machine Type | Hedgetrimmers |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part for HS56 hedge trimmers - Durable metal construction for impact resistance - Protects gears and bearings from debris - Helps contain grease for smooth operation - Pre-formed fixing points for quick fitting |
| Fits Models | HS56 |
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