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- 4226 149 0600 STIHL Muffler Gasket – Genuine OEM Part
Description
4226 149 0600 STIHL Muffler Gasket – Genuine OEM Part
The STIHL Muffler Gasket (4226 149 0600) is a genuine OEM replacement gasket designed for use on select STIHL hedge trimmers. This gasket forms a critical seal between the muffler and the engine cylinder, preventing exhaust leaks and ensuring proper exhaust flow and engine performance.
A properly sealed muffler gasket helps maintain correct back pressure, reduces exhaust noise, and prevents hot exhaust gases from escaping toward sensitive engine components. A worn, damaged, or leaking gasket can cause loss of power, increased noise, overheating, or exhaust residue buildup.
Manufactured to STIHL factory specifications, this OEM muffler gasket ensures correct fitment, reliable sealing, and long-term durability under professional operating conditions.
Product Details
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OEM Part Number: 4226 149 0600
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Brand: STIHL (Genuine OEM)
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Part Type: Muffler Gasket
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Application: Exhaust system sealing
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Condition: New Genuine OEM Part
Function
This OEM muffler gasket is designed to:
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Seal the connection between the muffler and engine cylinder
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Prevent exhaust leaks and loss of back pressure
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Reduce exhaust noise and vibration
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Replace worn, damaged, or burned gaskets
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Maintain proper engine performance and efficiency
⚠️ A leaking muffler gasket may cause power loss, excessive noise, overheating, or exhaust gas damage.
Verify Fitment (Recommended)
Before ordering, confirm:
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OEM part number 4226 149 0600
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Application matches your STIHL model
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Fitment corresponds to your STIHL illustrated parts diagram
⚠️ Exhaust components may vary by production version — always verify by OEM part number.
Compatibility
This OEM muffler gasket fits select STIHL hedge trimmer models, including:
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HS 74 (Rewind starter, Ignition system)
(Exact application depends on configuration and production version — verify using OEM parts diagram.)
Installation Notes
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Remove the muffler mounting fasteners
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Remove the old gasket and clean the mating surfaces
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Install the new OEM gasket in correct orientation
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Reinstall the muffler and torque fasteners evenly to specification
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Check for exhaust leaks after installation
⚠️ Muffler components become extremely hot — allow engine to cool completely before service. Professional installation is recommended.
Maintenance Tips
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Inspect muffler gaskets during routine service
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Replace gaskets whenever the muffler is removed
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Keep exhaust components clean and securely fastened
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Address exhaust leaks promptly to prevent engine damage
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Use only genuine STIHL OEM exhaust gaskets for proper sealing
