Description
Overview:
This brake spring is a Genuine Stihl OEM part for the chain brake system on compact petrol chainsaws. Built from durable tempered spring steel, it provides the force needed to engage and return the chain brake mechanism, helping the saw stop the chain quickly in a kickback or when the front hand guard is activated. It is designed as a direct replacement for worn or broken springs to restore safe operation and reliable braking. Identified by Manufacturer Part Number (MPN) 1123 162 7900, it is a precise fit for popular models such as the MS 170 and MS 180. A sound brake spring is essential for safety and helps maintain correct brake band tension and consistent performance during regular use.
Key Features:
- Genuine Stihl part for assured compatibility and reliability (MPN 1123 162 7900)
- Tempered spring steel construction for strength and long service life
- Restores positive chain brake engagement and return action
- Accurate OEM dimensions for a straightforward, like-for-like replacement
- Stable performance under vibration and temperature changes typical of chainsaw use
- Helps maintain correct brake band tension for fast stopping response
- Supports safe operation in kickback events and routine stop/start work
- Suitable for professional and domestic users maintaining Stihl saws
Typical Applications:
Used to replace a fatigued, stretched, or broken chain brake spring during servicing or after impact/kickback events. Common in workshop maintenance of compact Stihl chainsaws for forestry, landscaping, fencing, carpentry, and firewood cutting. Helps ensure the brake engages quickly and returns reliably, keeping the saw compliant with safety expectations and ready for regular stop/start cutting tasks.
Also known as:
Chain brake return spring, brake band spring, inertia brake spring, clutch cover brake spring, saw brake torsion spring. Often referred to simply as a chainsaw brake spring for Stihl models. These terms describe the same component within the chain brake mechanism that provides the restoring force for engagement and release.
Fits Models:
017, 018, 019 T, 019T, MS 170, MS 170 C, MS 180, MS 180 C, MS 190 T, MS 191 T, MS170, MS170C, MS180, MS180C, MS190T, MS191T
Alternate Part Numbers:
1123-162-7900, 11231627900
Product Specifications
| L&S Part No. | 1123 162 7900 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11231627900 |
| Unit of Sale | 1 |
| Applications | 017, 018, 019 T, 019T, MS 170, MS 170 C, MS 180, MS 180 C, MS 190 T, MS 191 T, MS170, MS170C, MS180, MS180C, MS190T, MS191T |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS170, MS170C | MS180, MS180C | 017 | 018 | 019T | MS190T | MS191T |
