Description
Overview:
This Torsion Spring is a genuine Stihl OEM spare for MS 231 and MS 231 C chainsaws. Made from durable spring steel, it provides controlled rotational force to keep key mechanisms under the correct tension for smooth, reliable operation. It is used to replace a fatigued or damaged torsion spring during service, restoring the intended feel and function of the mechanism it supports and helping maintain safe running of the saw. Built to Stihl specifications for fit and performance, it installs in the designated location on the saw chassis without modification. Genuine Part status ensures consistent quality and compatibility. Manufacturer Part Number (MPN): 1143 182 4500.
Key Features:
- Genuine Stihl OEM part for correct fit and dependable performance
- Precision-wound spring steel for stable torsional force and long service life
- Helps maintain correct tension in the chainsaw's operating mechanism
- Restores responsiveness after wear, fatigue, or deformation of the original spring
- Manufactured to Stihl tolerances for consistent seating and alignment
- Compact, lightweight part designed for the specified mounting points
- Straightforward replacement with standard hand tools for most users
- Supports safe operation by helping mechanisms return and latch as intended
Typical Applications:
Used during routine maintenance or repair when a chainsaw mechanism no longer returns or holds tension correctly. Ideal for resolving symptoms such as sluggish return, poor engagement, or inconsistent feel following heavy use. Suitable for workshop servicing, site repairs, and proactive parts replacement to minimise downtime for trades, arborists, and homeowners.
Also known as:
Torsion return spring, coil spring, replacement spring, spiral torsion spring, return coil, OEM spring for control mechanisms.
Fits Models:
MS 231, MS 231 C, MS 241 C, MS 251, MS 251 C
Alternate Part Numbers:
1143-182-4500, 11431824500
Product Specifications
| L&S Part No. | 1143 182 4500 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11431824500 |
| Unit of Sale | 1 |
| Applications | MS 231, MS 231 C, MS 241 C, MS 251, MS 251 C, MS231, MS231C, MS241C, MS251, MS251C |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS231, MS251 | MS241C |
