Description
Overview:
This Genuine Stihl piston ring is a precision replacement component for selected Stihl chainsaws, including MS 250 and MS 250 C. Sized at 42.5 mm diameter by 1.2 mm thickness, it restores a tight seal between the piston and cylinder to maintain correct engine compression. Manufactured to OEM standards using durable, wear‐resistant materials, it is designed for reliable operation under high temperature and load. A correct, well‐seated ring helps with easier starting, strong cutting performance and consistent idle. Purpose‐made for Stihl two‐stroke engines, it fits as specified without modification and is suitable for routine servicing or a top‐end refresh. Part number: 1123 034 3006. A sound piston ring is essential for power, fuel efficiency and long service life in everyday chainsaw use.
Key Features:
- Genuine Stihl OEM part for assured compatibility and quality
- Correct dimensions: 42.5 mm diameter x 1.2 mm thickness
- Maintains optimal cylinder sealing for dependable compression
- Helps restore power, throttle response and fuel efficiency
- Precision‐made for consistent fit and performance
- Durable construction for long service life in tough conditions
- Smooth running with reduced blow‐by when installed correctly
- Suitable for preventative maintenance or top‐end rebuilds
- Easy to fit with standard workshop tools, minimising downtime
Typical Applications:
Used during engine overhauls or when performance drops due to wear. Ideal for replacing a tired ring on working chainsaws to improve starting, restore cutting power and maintain reliability. Commonly fitted after a cylinder hone or piston replacement, or as part of scheduled maintenance on frequently used saws.
Also known as:
Engine ring, cylinder ring, compression ring.
Fits Models:
021, 023, 025, MS 230, MS 230 C, MS 250, MS 250 C, MS230, MS230C, MS250, MS250C
Alternate Part Numbers:
1123-034-3006, 11230343006
Product Specifications
| L&S Part No. | 1123 034 3006 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11230343006 |
| Unit of Sale | 1 |
| Applications | 021, 023, 025, MS 230, MS 230 C, MS 250, MS 250 C, MS230, MS230C, MS250, MS250C |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS230, MS230C | MS250, MS250C | 021, 023, 025 |


