Description
Overview:
This genuine Stihl tension spring (MPN 1139 162 7900) is a precision metal component for Stihl petrol chainsaws. It maintains the correct tension in moving linkages so controls return properly and mechanisms operate smoothly. Built from durable spring metal with closed coils to resist stretching, it is engineered for a reliable fit and performance over repeated cycles. Suitable for routine maintenance and repairs, it is ideal for keeping your saw responsive and safe to use. Designed for the Stihl MS 181 and MS 181 C, it also supports compatible models in the same family. Use it to replace a worn, weakened, or broken spring during servicing to restore consistent operation and reduce the risk of further wear on connected parts.
Key Features:
- Genuine Stihl OEM part for assured fit and function
- Durable metal construction resists fatigue and deformation under load
- Closed-coil tension design provides stable return force across repeated cycles
- Helps restore smooth control response and reliable mechanism operation
- Made to OE dimensions for consistent alignment with factory components
- Suitable for workshop or on-site repairs, minimising downtime
- Simple to install with standard hand tools; no modifications required
- Supports long service life when fitted and maintained correctly
Typical Applications:
Used during servicing or repair when a chainsaw's return action feels weak, sticky, or inconsistent. Ideal for replacing a stretched or broken spring in everyday maintenance of Stihl homeowner and professional saws. Suitable for trade workshops, arborists, landscapers, groundskeepers, and DIY users who need reliable chain saw control response.
Also known as:
Replacement spring, tensioning spring, control spring, linkage spring, chainsaw spring, Stihl spring, OE spring 1139 162 7900. These terms are often used when sourcing the correct return or tension spring for control linkages on compatible Stihl chainsaws.
Fits Models:
MS 171, MS 171 C, MS 181, MS 181 C, MS 211, MS 211 C
Alternate Part Numbers:
1139-162-7900, 11391627900
Product Specifications
| L&S Part No. | 1139 162 7900 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11391627900 |
| 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 |
