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4226 149 0600 STIHL Muffler Gasket – Genuine OEM Part

4226 149 0600 STIHL Muffler Gasket – Genuine OEM Part

Original price was: $8.00.Current price is: $2.40.

SKU: 4226 149 0600 Category: Tag:

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

  • OEM Part Number: 4226 149 0600

  • Brand: STIHL (Genuine OEM)

  • Part Type: Muffler Gasket

  • Application: Exhaust system sealing

  • Condition: New Genuine OEM Part

Function

This OEM muffler gasket is designed to:

  • Seal the connection between the muffler and engine cylinder

  • Prevent exhaust leaks and loss of back pressure

  • Reduce exhaust noise and vibration

  • Replace worn, damaged, or burned gaskets

  • 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:

  • OEM part number 4226 149 0600

  • Application matches your STIHL model

  • 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:

  • HS 74 (Rewind starter, Ignition system)

(Exact application depends on configuration and production version — verify using OEM parts diagram.)

Installation Notes

  • Remove the muffler mounting fasteners

  • Remove the old gasket and clean the mating surfaces

  • Install the new OEM gasket in correct orientation

  • Reinstall the muffler and torque fasteners evenly to specification

  • Check for exhaust leaks after installation

⚠️ Muffler components become extremely hot — allow engine to cool completely before service. Professional installation is recommended.

Maintenance Tips

  • Inspect muffler gaskets during routine service

  • Replace gaskets whenever the muffler is removed

  • Keep exhaust components clean and securely fastened

  • Address exhaust leaks promptly to prevent engine damage

  • Use only genuine STIHL OEM exhaust gaskets for proper sealing

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