Description
Overview:
This Muffler/Exhaust Gasket is a Genuine Stihl part designed for the MS 231 and MS 251 chainsaws. It sits between the exhaust outlet and muffler body to create a gas‐tight seal, preventing leaks, unwanted fumes, and performance loss. Made from a heat‐resistant composite designed to cope with high temperatures and vibration, it helps maintain correct back pressure and reliable running. The gasket is precision cut for an accurate fit on the specified models and is ideal for routine servicing or when refitting a muffler. Genuine Stihl part (MPN 1143 149 0601) ensures consistent quality and compatibility with your saw's original components, helping to reduce noise leakage, protect surrounding parts from hot gases, and keep emissions directed safely through the exhaust system.
Key Features:
- Genuine Stihl part for assured fit and performance (MPN 1143 149 0601)
- Heat‐resistant construction for long service life under high exhaust temperatures
- Forms a tight, reliable seal to prevent exhaust leaks and loss of power
- Helps maintain correct back pressure for smooth running and stable idle
- Reduces risk of hot gas blow‐by that can damage nearby components
- Precision fit for quick, straightforward installation with minimal downtime
- Suitable for routine maintenance, rebuilds, and muffler refits
- Designed specifically for Stihl MS 231/MS 251 platforms for dependable compatibility
Typical Applications:
Used when replacing or refitting the muffler during routine servicing, after carbon clean‐outs, following exhaust removal, or during engine rebuilds. Ideal for restoring a proper exhaust seal on Stihl domestic and professional chainsaws used in firewood cutting, landscaping, grounds maintenance, and site work.
Also known as:
Exhaust gasket, muffler gasket, silencer gasket, exhaust seal, muffler seal, exhaust flange gasket, exhaust port gasket, exhaust manifold gasket (chainsaw application), sealing gasket for muffler.
Fits Models:
MS 231, MS 231 C, MS 251, MS 251 C, MS231, MS231C, MS251, MS251C
Product Specifications
| L&S Part No. | 1143 149 0601 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11431490601 |
| Unit of Sale | 1 |
| Applications | MS 231, MS 231 C, MS 251, MS 251 C, MS231, MS231C, MS251, MS251C |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS231, MS251 |
