Description
Overview:
The Oil Seal 12 x 20 x 4 mm for Stihl MS201 is a genuine Stihl spare part designed to keep vital fluids where they belong in your chainsaw. Built from oil‐resistant sealing materials with a robust construction, it maintains a tight barrier around rotating shafts to limit leakage and protect internal components from dirt and moisture. Correct sealing helps preserve compression, lubrication and overall running quality. This size is commonly used in compact engine assemblies and oil systems on professional and domestic saws. It is suitable for Stihl chainsaws in the MS 201 series, including MS 201 and MS 201 C. Supplied to OEM specification under Stihl part number 9640 003 1180 for a precise fit and reliable performance.
Key Features:
- Genuine Stihl part for assured compatibility and quality
- Dimensions: 12 x 20 x 4 mm for an accurate, snug fit
- Helps prevent oil loss and ingress of dust and debris
- Supports engine efficiency by maintaining proper sealing around rotating shafts
- Durable, oil‐resistant construction for long service life
- Stable sealing lip profile for consistent performance under vibration
- Aids smoother running and reduces the risk of premature wear
- Suitable for routine maintenance or leak repairs
- Designed to meet OEM tolerance and material standards
- Straightforward like-for-like replacement when servicing the MS 201 series
Typical Applications:
Used in chainsaw engine and oil system assemblies where a rotating shaft passes through a housing, such as pump drives or crankcase interfaces. Ideal when diagnosing oil seepage, restoring sealing after strip-downs, or during preventive maintenance on Stihl MS 201 series saws used in arborist work, forestry, landscaping and grounds maintenance.
Also known as:
Shaft seal, radial oil seal, oil lip seal, seal ring, rotary seal, gasket (informal usage), engine oil seal.
Fits Models:
MS 201, MS 201 C, MS 201 T, MS 201 TC, MS201, MS201C, MS201T, MS201TC
Product Specifications
| L&S Part No. | 9640 003 1180 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 96400031180 |
| Unit of Sale | 1 |
| Applications | MS 201, MS 201 C, MS 201 T, MS 201 TC, MS201, MS201C, MS201T, MS201TC |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS201, MS201C, MS201T, MS201TC |
