Description
Overview:
This spur gear is a genuine Stihl replacement for the drive system in selected petrol hedge trimmers, including the HS 46 and HS 56 C. Made from durable metal, it features straight-cut teeth for reliable power transfer from the engine to the cutter blades. It replaces worn or damaged gears in the gear head to restore smooth running, consistent cutting speed, and reduced vibration. As a Genuine Part, it matches the original dimensions and specification for correct meshing with the mating gear and long service life when used with the proper lubricant. Supplied as a direct replacement for OEM No. 4242 640 7507 (MPN: 42426407507), it helps keep your trimmer performing efficiently in routine maintenance or repair.
Key Features:
- Genuine Stihl part for assured fit and compatibility with the original gear train
- Direct replacement for OEM No. 4242 640 7507 to simplify identification and ordering
- Metal construction for strength and durability under regular, demanding use
- Restores smooth drive to the cutter blades, helping reduce noise, slippage, and uneven cuts
- Precision tooth profile to maintain correct timing and blade performance
- Designed for the HS 46/HS 46 C/HS 56/HS 56 C platform for consistent results
- Straightforward like-for-like swap in the gear head using standard workshop tools
- Suitable for preventative maintenance to avoid further wear on mating components
Typical Applications:
Used to repair hedge trimmers that have lost drive or exhibit excessive noise due to gear wear, chip-out, or damage after blade jams. Ideal for routine servicing in landscaping, grounds care, local authority maintenance, and hire fleets, as well as home users who want to restore reliable cutting performance and extend the working life of their Stihl trimmer.
Also known as:
Hedge trimmer drive gear, gear wheel, cutter head gear, hedge cutter gear, spur drive gear, cutter drive gear, trimmer gearbox gear.
Fits Models:
HS 46
HS 46 C
HS 56
HS 56 C
Alternate Part Numbers:
4242-640-7507, 4242 640 7504, 42426407504, 42426407507
Product Specifications
| L&S Part No. | 4242 640 7507 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42426407507 |
| 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 |
