Description
Overview:
This Screw Assembly is a genuine Stihl spare part designed for use with Stihl MS 311 and MS 391 chainsaws. Built from durable, high-strength steel, it provides reliable fastening of key components so the machine operates smoothly under load. The factory-specified dimensions and thread profile help ensure a secure fit in the intended mounting points, restoring correct alignment and preventing unwanted movement or vibration. As an OEM part, it matches the original hardware supplied with the saws, avoiding issues that can occur with non‐standard fasteners. Suitable for routine maintenance or repair, it is a straightforward replacement for a worn, missing, or damaged screw assembly. Manufacturer Part Number (MPN): 1140 790 6101. A practical choice for workshops, landscapers, arborists, and DIY owners who want to maintain equipment performance and reliability.
Key Features:
- Genuine Stihl part for MS 311 and MS 391, MPN 1140 790 6101.
- Precision-made steel fastener for consistent seating and secure clamping.
- Designed to fit the original mounting points with no modification required.
- Helps maintain correct alignment and reduces the risk of loosening from vibration.
- Durable construction suitable for regular use in professional and domestic settings.
- Simple like-for-like replacement to support quick maintenance turnaround.
- Compatible with Stihl service procedures and torque settings for these models.
- Supports reliable operation by keeping covers and assemblies firmly fixed.
Typical Applications:
Used during service or repairs to replace a fatigued or missing screw assembly on Stihl MS 311/MS 391 chainsaws. Commonly applied where secure fastening is essential, such as on housings, covers, guards, and bracketed components, helping to prevent rattles, misalignment, and premature wear during felling, logging, yard work, and general grounds maintenance.
Also known as:
OEM screw assembly, fixing screw, mounting screw, replacement fastener, Stihl screw set, hardware screw for chainsaw, service screw, chainsaw fixing hardware, OEM fastener for MS311/MS391.
Fits Models:
MS 311, MS 391, MS311, MS391
Alternate Part Numbers:
1140-790-6101, 11407906101
Product Specifications
| L&S Part No. | 1140 790 6101 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11407906101 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part for MS 311 and MS 391 chainsaws - Precision-made steel fastener ensures secure clamping - Fits original mounting points without modification - Maintains alignment, reducing vibration-related loosening - Compatible with Stihl service procedures and torque settings |
| Fits Models | MS311 | MS391 |

