Description
Overview:
This Exhaust Muffler Gasket is a genuine replacement part for Stihl petrol chainsaws, engineered to seal the joint between the exhaust muffler and the engine. Built from durable, heat‐resistant gasket material, it withstands high exhaust temperatures and vibration to keep your saw running efficiently. By preventing leaks at the muffler connection, it helps maintain correct backpressure, stable idle, and reliable power delivery. It is a direct replacement for OEM No. 1123 149 0500 and fits popular models including MS230 and MS250. The gasket's precise fit makes it straightforward to install during routine maintenance or after muffler removal. Genuine Part status ensures factory-matched performance and consistent sealing, supporting long service life for your chainsaw in demanding cutting conditions.
Key Features:
- Genuine Part for dependable fit and performance on listed Stihl chainsaws
- Direct replacement for OEM No. 1123 149 0500 for simple, like‐for‐like installation
- Heat‐resistant composite construction resists exhaust temperatures and vibration
- Provides a tight seal between muffler and cylinder to prevent exhaust leaks
- Helps maintain correct backpressure, throttle response, and idle stability
- Reduces risk of hot gas blow‐by that can mark plastics or mating surfaces
- Factory-style profile for proper clamp load and consistent sealing
- Quick to fit during muffler, spark arrestor, or top‐end servicing with basic tools
Typical Applications:
Used whenever the muffler is removed or replaced, during routine servicing, after impact or overheating, or to cure exhaust leaks that affect performance and noise. Suitable for MS230/MS250 family chainsaws in landscaping, forestry, firewood cutting, and site work where a reliable exhaust seal is essential for safe, efficient operation.
Also known as:
Silencer gasket, muffler flange gasket, exhaust joint gasket, cylinder exhaust gasket, exhaust port seal, exhaust connection gasket, silencer joint seal.
Fits Models:
021, 023, 025, MS230, MS230C, MS250, MS250C
Alternate Part Numbers:
1123 149 0500, 11231490500
Product Specifications
| L&S Part No. | 355 553 |
|---|---|
| Part Type | Genuine Part |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Key Features | - Genuine replacement for Stihl chainsaws, fits models MS230, MS250 - Direct replacement for OEM No. 1123 149 0500 - Heat-resistant material withstands high exhaust temperatures - Ensures tight seal to prevent exhaust leaks - Supports stable idle and reliable power delivery |
| Fits Models | 021, 023, 025 | MS230, MS230C | MS250, MS250C |

