Description
Overview:
The Bearing Plug for Stihl chainsaws is a genuine Stihl OEM component designed to protect and seal the bearing area within the saw's housing. Built from durable, wear‐resistant material that stands up to fuel, oil and heat, it helps prevent ingress of dust, chips and moisture, supporting smooth operation and longer service life. It is engineered for an accurate push‐fit into the intended location, ensuring reliable retention without modification. Ideal for routine servicing or rebuilds, this plug maintains the integrity of internal components in compact petrol chainsaws such as the Stihl MS 171 and MS 181. Genuine Part, OEM Part No. 1139 792 2903, for dependable compatibility and performance in everyday and heavy‐duty cutting work.
Key Features:
- Genuine Stihl OEM part for assured fit and reliability (1139 792 2903)
- Protects internal bearing area from dust, debris and moisture
- Durable, oil‐ and fuel‐resistant construction for long service life
- Precision dimensions for a secure, rattle‐free push‐fit
- Helps maintain smooth running and consistent performance
- Suitable for frequent use in demanding cutting conditions
- Straightforward replacement during routine service or repair
- Supports correct sealing to reduce premature wear of nearby components
- Compatible with selected Stihl MS 171/181/211 series chainsaws
Typical Applications:
Used during maintenance, overhaul or repair of Stihl petrol chainsaws to replace a worn, damaged or missing bearing plug. Common in arboriculture, landscaping, forestry and construction settings where saws are exposed to chips and fine dust. Helps maintain internal cleanliness and bearing protection for reliable, day‐to‐day cutting.
Also known as:
Bearing cap, bearing cover, closure plug, protective plug, sealing plug, housing plug. These terms describe small plugs used to close or shield a bearing area or similar internal cavity within portable power equipment.
Fits Models:
MS 171, MS 171 C, MS 181, MS 181 C, MS 211, MS 211 C
Alternate Part Numbers:
1139-792-2903, 11397922903
Product Specifications
| L&S Part No. | 1139 792 2903 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11397922903 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl OEM part number 1139 792 2903 - Protects bearing area from dust, debris, and moisture - Durable, oil- and fuel-resistant material - Precision push-fit for secure retention - Compatible with Stihl MS 171, 181, 211 chainsaws |
| Fits Models | MS171, MS171C | MS181, MS181C | MS211, MS211C |
