Description
Overview:
This Chain Sprocket 3/8 inch (9.5 mm) is a genuine Stihl part for compact professional and homeowner chainsaws, including the MS 19 C and MS 192 T. Made from hardened steel with a tough wear surface, it transfers drive from the clutch to the chain for smooth, reliable cutting. The precisely machined profile maintains correct chain pitch and alignment, helping reduce vibration and premature wear on the bar and chain. It is a direct replacement for OEM No. 1137 640 2005 and is suitable for routine servicing or restoring performance when a sprocket shows signs of hooking or tooth wear. Designed for easy fitting with standard workshop tools, it keeps your saw working efficiently in pruning, light felling, and general maintenance tasks.
Key Features:
- Genuine Stihl part for assured fit and performance
- 3/8 inch (9.5 mm) pitch for correct chain engagement and alignment
- Hardened steel construction for long service life under regular use
- Precision-machined teeth for smooth power transfer and reduced chain skip
- Direct replacement for OEM No. 1137 640 2005
- Helps protect bar and chain by maintaining correct drive geometry
- Easy to install, aiding quick routine maintenance and reduced downtime
- Reliable in professional landscaping, arborist work, and DIY tasks
Typical Applications:
Routine replacement when the existing sprocket is worn or damaged, restoring smooth chain drive and cutting efficiency. Suitable for pruning, crown reduction, small felling, property maintenance, carpentry timber prep, and firewood processing. Ideal for arborists, landscapers, grounds teams, builders, and homeowners who need dependable chain drive performance from compact Stihl top-handle and rear-handle saws.
Also known as:
Drive sprocket, chain drive gear, spur sprocket, chain wheel, drive gear, chain drive cog. These terms describe the component that meshes with the saw chain to transmit power from the clutch assembly to the cutting chain.
Fits Models:
MS 19 C, MS 192 T, MS 192 TC, MS 193 C, MS 193 T, MS 193 TC, MS192C, MS192T, MS192TC, MS193C, MS193T, MS193TC, MS19C
Alternate Part Numbers:
1137-640-2005, 11376402005
Product Specifications
| L&S Part No. | 1137 640 2005 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11376402005 |
| Unit of Sale | 1 |
| Applications | MS 19 C, MS 192 T, MS 192 TC, MS 193 C, MS 193 T, MS 193 TC, MS192C, MS192T, MS192TC, MS193C, MS193T, MS193TC, MS19C |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS192C, MS192T, MS192TC | MS193C, MS193T, MS193TC |
