Description
Overview:
The Spring for Stihl MS311, MS391 (MPN 1140 791 3102 / 11407913102) is a genuine Stihl replacement spring for petrol chainsaws. Made from durable spring steel, it maintains the correct tension within key mechanisms so moving parts return reliably to their rest positions. Built to the original specification for the MS311 and MS391, it provides a precise fit and consistent performance, with compatibility across additional Stihl models listed below. Fit this part when a spring is worn, bent, or broken to restore smooth operation and prevent accelerated wear elsewhere in the mechanism. It is a straightforward replacement using standard hand tools, helping keep downtime low and ensuring your saw runs as intended.
Key Features:
- Genuine Stihl part for exact fit and reliable performance
- Matches OEM specification (1140 791 3102 / 11407913102)
- Provides stable, consistent tension for smooth mechanism return
- Durable construction to withstand repeated cycling under load
- Helps prevent knock-on wear in linkages caused by weak springs
- Easy to install during routine service or repair
- Compatible with multiple Stihl chainsaw models shown below
Typical Applications:
Used during servicing or repair when a chainsaw mechanism fails to return properly, feels slack, or shows erratic operation due to a fatigued or broken spring. Suitable for restoring correct tension in the relevant assembly on compatible Stihl models, helping maintain safe, predictable control and extending component life in regular cutting, felling, firewood processing, and maintenance work.
Also known as:
Tension spring, return spring, OEM spec spring, replacement chainsaw spring for Stihl petrol models, MS-series spring, service spring for control mechanisms.
Fits Models:
MS 311
MS 362
MS 362 C
MS 391
MS 400 C
MS311
MS362
MS362C
MS391
MS400C
Alternate Part Numbers:
1140-791-3102, 11407913102
Product Specifications
| L&S Part No. | 1140 791 3102 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11407913102 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part ensures exact fit for MS311, MS391 - Made from durable spring steel for long-lasting use - Provides stable tension for smooth mechanism return - Compatible with multiple Stihl models including MS362, MS400C - Easy installation with standard hand tools |
| Fits Models | MS362, MS362C | MS311 | MS391 | MS400C |
