Description
Overview:
This Gear Housing for Stihl HS46 is a genuine Stihl spare, OEM number 4242 640 0502. It is a cast metal housing that encloses and supports the hedge trimmer's reduction gears and bearings, keeping the blade drive aligned and well protected. By sealing the gear train and retaining lubricant, it helps the cutting mechanism run smoothly and reduces wear. Designed for Stihl petrol hedge trimmers such as the HS46 and HS56C, it is a direct-fit replacement that restores correct operation when the original housing is cracked, worn, or leaking. Built for regular use by landscapers, grounds teams, and home users, this part helps maintain reliability and extends service life of the machine.
Key Features:
- Genuine Stihl part (OEM 4242 640 0502) for assured compatibility and fit
- Rigid cast metal construction for impact resistance and long service life
- Protects gears and bearings from debris ingress and moisture
- Maintains correct alignment of the drive system to reduce vibration and noise
- Helps retain grease within the gearbox for consistent lubrication
- Precisely machined mounting faces for a secure, leak‐resistant seal
- Direct replacement; no modification required when fitted to listed models
- Suitable for routine overhaul to prevent costly downstream damage
- Supports efficient cutting performance under everyday professional use
- Fits common Stihl hedge trimmers used across gardens, estates, and commercial sites
Typical Applications:
Used to replace a damaged or worn gear housing on Stihl hedge trimmers. Typical scenarios include impact damage, stripped threads, cracked casings, or lubricant leaks causing noisy operation or excess play in the blade drive. Ideal during a gearbox service when refreshing seals, grease, and bearings to restore smooth, reliable cutting performance and extend the life of the tool.
Also known as:
Gear case, gear cover, gearbox housing, reduction gear housing, cutter head housing, drive housing, transmission housing.
Fits Models:
HS46, HS46C, HS56, HS56C
Product Specifications
| L&S Part No. | 4242 640 0502 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42426400502 |
| Unit of Sale | 1 |
| Applications | HS 46, HS46, HS46 C, HS46C, HS56, HS56C |
| Machine Type | Hedgetrimmers |
| Fits Brands | Stihl |
| Fits Models | HS 46, HS46 C | HS56 |
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