Description
Overview:
This adaptor is a Genuine Stihl part for the MS 171 and MS 181 series chainsaws, specified by OEM number 1139 893 2500. It is a small but vital component that links mating parts within the saw's assembly, helping to keep everything correctly aligned and securely joined for smooth, reliable running. Built from durable, OEM-grade materials to cope with vibration, heat, oil, and fuel exposure, it restores the proper interface between components when the original piece has worn, cracked, or become distorted. Use it as a like-for-like replacement to maintain factory fit and performance, reduce unwanted movement, and protect surrounding parts from premature wear. Suitable for routine servicing or repairs, it supports dependable operation across everyday cutting, pruning, and light forestry tasks.
Key Features:
- Genuine Stihl OEM part for assured compatibility and reliability
- Direct replacement for OEM No. 1139 893 2500 (MPN 11398932500)
- Precise fit for the MS 171, MS 181, and MS 211 families
- Durable construction resists vibration, temperature changes, oil, and fuel
- Helps maintain smooth operation by securing a stable component interface
- Reduces play and misalignment that can affect performance over time
- Straightforward, like-for-like swap during routine maintenance or repair
- Supports long service life when fitted with standard workshop practices
Typical Applications:
Used during servicing or repairs to replace a worn or damaged adaptor within Stihl mid-range homeowner/professional chainsaws. Ideal when refurbishing a saw, resolving fitment issues after heavy use, or preventing further wear on connected parts. Suitable for landscaping, grounds maintenance, farm and estate work, and DIY cutting tasks.
Also known as:
Adaptor coupling, mounting adaptor, interface fitting, transition piece, joiner piece, linking sleeve, alignment adaptor, replacement interface part.
Fits Models:
MS 171, MS 171 C, MS 181, MS 181 C, MS 211, MS 211 C
Alternate Part Numbers:
1139-893-2500, 11398932500
Product Specifications
| L&S Part No. | 1139 893 2500 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11398932500 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl OEM part ensures compatibility with MS 171, MS 181 - Direct replacement for OEM No. 1139 893 2500 - Fits MS 171, MS 181, MS 211 chainsaw models - Durable against vibration, heat, oil, and fuel - Maintains smooth operation by securing component alignment |

