Description
Overview:
This Chain Sprocket 3/8'' 7T is a Genuine Stihl OEM drive component for maintaining smooth, reliable chain movement on Stihl petrol chainsaws. Made from hardened steel for high wear resistance, it transfers engine power to the chain with consistent engagement. The 3/8'' (9.5 mm) pitch and 7-tooth profile match the specified cutting systems on Stihl machines, helping to preserve bar and chain life while keeping cutting performance stable. It is designed as a direct replacement for worn or damaged sprockets and suits routine servicing to keep your saw safe and productive. Ideal for professional users and DIY owners alike, it offers a precise fit on popular models such as the MS 261 and MS 261 C.
Key Features:
- Genuine Stihl OEM part for assured compatibility and performance
- 3/8'' (9.5 mm) pitch with 7 teeth for accurate, steady chain engagement
- Hardened steel construction for durability and long service life
- Smooth power transfer helps reduce vibration and premature bar/chain wear
- Direct-fit replacement on listed models; no modification required
- Supports reliable cutting performance and safe operation when maintained correctly
- Straightforward installation with routine workshop tools to minimise downtime
Typical Applications:
Suited to routine chainsaw maintenance and overhaul where chain drive wear is evident. Common in forestry, arboriculture, landscaping, firewood processing, grounds maintenance, farm and estate work, and general property upkeep. Helps restore consistent chain speed and cutting accuracy after sprocket wear.
Also known as:
Chain wheel, 7‐tooth sprocket, 3/8'' drive sprocket (9.5 mm), rim sprocket, chain drive cog, drive gear for chainsaw, chain drive wheel. These terms refer to the same drive component that engages the chain to transmit power from the engine.
Fits Models:
MS 261, MS 261 C, MS 271, MS 271 C, MS 291, MS 291 C, MS261, MS261C, MS271, MS271C, MS291, MS291C
Alternate Part Numbers:
1141-640-2003, 11416402003
Product Specifications
| L&S Part No. | 1141 640 2003 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11416402003 |
| Unit of Sale | 1 |
| Applications | MS 261, MS 261 C, MS 271, MS 271 C, MS 291, MS 291 C, MS261, MS261C, MS271, MS271C, MS291, MS291C |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS261, MS261C | MS271, MS271C, MS291, MS291C |
