Description
Overview:
This genuine Stihl tension spring is a precision-made steel component used to maintain correct mechanical tension within compatible Stihl chainsaws. Built for consistent performance, it helps the saw's linked mechanisms operate smoothly under load, supporting reliable cutting and safe handling. Designed specifically for the Stihl MS 231 and MS 251 series, it offers an accurate, like-for-like replacement that restores function when the original spring is worn, stretched, or broken. With an overall length of 90 mm (3.54 inches), it fits the intended mounting points without modification, aiding quick maintenance. Suitable for both professional users and home owners, this OEM spring helps preserve the performance and service life of your saw by keeping tension stable where the manufacturer intended.
Key Features:
- Genuine Stihl part for assured compatibility and quality
- Durable steel construction for long service life in workshop and site use
- Overall length approx. 90 mm (3.54 inches) for precise fitment in specified models
- Maintains even tension to support smooth, efficient chainsaw operation
- Accurate fit reduces stress and premature wear on mating components
- Straightforward like-for-like replacement; no modifications required
- Helps restore performance after fatigue, deformation, or breakage of the old spring
- Suitable for routine servicing or reactive repair to keep equipment reliable
Typical Applications:
Used during maintenance and repair of Stihl MS 231/MS 251 series chainsaws to replace a fatigued or damaged tension spring within the relevant mechanism. Helps keep controls responsive and components correctly tensioned for dependable cutting, whether on-site, in the workshop, or for garden and property upkeep.
Also known as:
Chainsaw tension spring, extension spring, return spring, tensioner spring, replacement spring for Stihl MS231/MS251 series, OEM spring.
Fits Models:
MS 231, MS 231 C, MS 251, MS 251 C, MS231, MS231C, MS251, MS251C
Alternate Part Numbers:
1143-162-7901, 11431627901
Product Specifications
| L&S Part No. | 1143 162 7901 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11431627901 |
| Unit of Sale | 1 |
| Size | Overall Length: 90mm |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part ensures compatibility with MS 231/MS 251 series - Durable steel construction for extended service life - 90 mm length for precise fitment without modification - Maintains tension for smooth chainsaw operation - Suitable for professional and homeowner use |
| Fits Models | MS231, MS251 |
