Description
Overview:
The Chain Sprocket Cover is a genuine Stihl replacement part designed for the MS 181 and MS 181 C chainsaws. Built from a tough, impact‐resistant polymer, it encloses and protects the drive sprocket and clutch area from debris, knocks, and everyday wear. By keeping chips and dirt away from moving parts, it helps your saw run smoothly and safely, while supporting correct bar clamping and chain alignment. This OEM cover is engineered for an accurate fit and dependable performance on compatible compact Stihl homeowner and light‐duty professional saws. It is a straightforward, like‐for‐like replacement for worn, cracked, or damaged covers, restoring the protection and function of the drive side of your chainsaw.
Key Features:
- Genuine Stihl OEM part for reliable fit and function (Part No. 1139 640 1701)
- Durable, impact‐resistant polymer housing resists knocks, chain oil, and moisture
- Shields the drive sprocket and clutch from debris to reduce wear and improve safety
- Helps maintain stable bar clamping and consistent chain tracking
- Designed for smooth chip shedding to keep the sprocket area cleaner during use
- Compatible with existing saw fixings on the listed models for an easy swap
- Straightforward installation with basic hand tools
- Built to OEM standards for long service life in regular cutting tasks
Typical Applications:
Routine replacement when the original cover is cracked, worn, or damaged by a chain derailment. Suitable for general felling, pruning, firewood cutting, and grounds maintenance where reliable protection of the sprocket and clutch area is required.
Also known as:
Clutch cover, drive side cover, side casing, chaincase, chain drive cover, bar side cover, sprocket side plate.
Fits Models:
MS 171, MS 171 C, MS 181, MS 181 C, MS 211, MS 211 C
Alternate Part Numbers:
1139 640 1701, 11396401701
Product Specifications
| L&S Part No. | 1139 640 1701 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11396401701 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl OEM part for MS 181 and MS 181 C chainsaws - Impact-resistant polymer protects drive sprocket and clutch - Shields from debris, reducing wear and improving safety - Maintains stable bar clamping and chain alignment - Compatible with MS 171, MS 181, MS 211 models |
| Fits Models | MS171, MS171C | MS181, MS181C | MS211, MS211C |
