Description
Overview:
The Bearing Plug for Stihl chainsaws is a small, durable metal plug that protects and seals a bearing location within the body of the saw. This genuine Stihl part (OEM 1139 792 2901) is designed to maintain smooth running by shielding internal components from dust, chips, and moisture. Built for a precise fit, it supports the correct assembly and long-term reliability of your machine. It is commonly used during maintenance or repair when replacing worn parts or restoring factory sealing. Suitable for Stihl homeowner and light professional models, it integrates cleanly with the existing housing. Ideal for the Stihl MS 181 and MS 181 C, it helps preserve performance and extend service life by keeping contaminants away from critical moving parts.
Key Features:
- Genuine Stihl part for trusted compatibility and performance (OEM 1139 792 2901)
- Robust metal construction for long service life under regular chainsaw use
- Protective plug that helps keep debris and moisture away from internal bearings
- Precise, factory-style fit for the specified Stihl models
- Helps maintain smooth operation and reduce premature wear
- Simple to install during routine servicing or rebuilds
- Stable retention once fitted; designed for the correct seating depth and location
- Supports correct sealing to help maintain lubrication and component integrity
- Suitable for both professional and DIY maintenance tasks
- Backed by Stihl's OEM specification and quality control
Typical Applications:
Used when servicing or rebuilding compatible Stihl chainsaws to protect bearing areas and restore proper sealing. Common during replacement of worn plugs, after internal cleaning, or when reassembling crankcase or housing sections. Helps keep contaminants out, maintain smooth rotation of related components, and support reliable everyday cutting performance.
Also known as:
Bearing cap, bearing cover, closure plug, sealing plug, bearing hole plug. These terms may appear in parts diagrams or service notes and refer to the same protective plug that closes and shields a bearing location within the chainsaw housing.
Fits Models:
MS 171, MS 171 C, MS 181, MS 181 C, MS 211, MS 211 C
Alternate Part Numbers:
1139-792-2901, 11397922901
Product Specifications
L&S Part No. | 1139 792 2901 |
---|---|
Part Type | Genuine Part |
Manufacturer | Stihl |
OEM No. | 11397922901 |
Unit of Sale | 1 |
Applications | MS 171, MS 171 C, MS 181, MS 181 C, MS 211, MS 211 C, MS171, MS171C, MS181, MS181C, MS211, MS211C |
Machine Type | Chainsaws |
Fits Brands | Stihl |
Fits Models | MS171, MS171C | MS181, MS181C | MS211, MS211C |