Description
Overview:
This genuine Stihl chain drive sprocket is a steel replacement part that transfers power from the clutch to the cutting chain for smooth, efficient cutting. Built for reliability in regular use, it features a 1/4 inch (6.35 mm) pitch and 8-tooth profile to match compatible bar and chain setups. Designed for Stihl chainsaws, including the 021 and 023, it helps maintain correct chain speed and alignment, reducing wear on the chain and bar. Suitable for both professional users and DIY owners, it is a straightforward swap during routine servicing when a worn sprocket is causing slip, vibration, or poor cutting performance. Genuine Part with manufacturer reference 1123 640 2077 for assured fit and compatibility.
Key Features:
- Genuine Stihl OEM part for precise fit and dependable performance
- 1/4 inch (6.35 mm) pitch, 8-tooth drive for consistent power transfer
- Durable steel construction to resist wear under regular cutting loads
- Direct-fit replacement to restore correct chain tracking and speed
- Helps reduce chain skip and premature wear when matched to the correct bar and chain
- Easy to install during routine maintenance with standard workshop tools
- Suitable for professional, landscaping, arborist, and domestic chainsaw tasks
- Manufacturer Part Number (MPN): 1123 640 2077
Typical Applications:
Used to replace a worn or damaged sprocket on compatible Stihl chainsaws, restoring smooth chain drive and cutting efficiency. Ideal for general felling, pruning, firewood processing, storm cleanup, garden maintenance, and light construction site tasks where reliable chain drive is essential.
Also known as:
Sprocket drum, spur sprocket, chain drive gear, clutch drum, drive wheel, chain gear, chain drive sprocket.
Fits Models:
021, 023, 025, MS 210, MS 210 C, MS 230, MS 230 C, MS 250, MS 250 C
Alternate Part Numbers:
1123-640-2077, 11236402077
Product Specifications
| L&S Part No. | 1123 640 2077 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11236402077 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl OEM part for precise fit - 1/4 inch pitch, 8-tooth drive - Durable steel construction resists wear - Direct-fit replacement for correct chain tracking - Fits Stihl models 021, 023, 025, MS 210, MS 230, MS 250 |
| Fits Models | MS230, MS230C | MS250, MS250C | 021, 023, 025 |
