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Description
4226 649 0301 STIHL Gasket – Genuine OEM Part
The STIHL Gasket (4226 649 0301) is a genuine OEM replacement sealing gasket designed for use in the blade drive gear and gear housing assemblies of select STIHL hedge trimmers and long-reach hedge trimmer attachments.
This gasket provides a critical seal between gear housing components, helping prevent grease leakage, contamination, and loss of lubrication. Proper sealing is essential for smooth gear operation, long service life, and reliable cutting performance. A worn or damaged gasket can lead to lubricant loss, overheating, and premature gear wear.
Manufactured to STIHL factory specifications, this OEM gasket ensures correct thickness, fitment, and dependable sealing under professional operating conditions.
Product Details
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OEM Part Number: 4226 649 0301
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Brand: STIHL (Genuine OEM)
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Part Type: Gasket
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Application: Blade drive gear / gear housing sealing
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Condition: New Genuine OEM Part
Function
This OEM gasket is designed to:
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Seal blade drive gear and gear housing assemblies
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Prevent grease leakage and contamination
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Maintain proper lubrication and internal gear protection
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Replace worn, cracked, or damaged gaskets
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Support smooth operation and long component life
⚠️ A damaged gasket may cause grease loss, overheating, and premature gear failure.
Verify Fitment (Recommended)
Before ordering, confirm:
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OEM part number 4226 649 0301
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Application matches your blade drive gear or gear housing configuration
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Fitment corresponds to your STIHL illustrated parts diagram
⚠️ Gear housing and blade drive components may vary by production version — always verify by OEM part number.
Compatibility
This OEM gasket fits select STIHL hedge trimmers and long-reach hedge trimmer attachments, including:
Long-Reach Hedge Trimmers / Kombi Attachments (Blade Drive Gear)
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HL 45 / HL 45-D (Blade drive gear – 24.2005)
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HL 73 / HL 73 K (Blade drive gear)
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HL 75 / HL 75 K (Blade drive gear 0°, 30°, 0°–90° – 24.2005)
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HL 0° / HL 0°–90° (Blade drive gear 0°, 30°, 0°–90°)
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HL 100 / HL 100 K (Blade drive gear 0°, 30°, 0°–90° – 24.2005)
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HL-KM / HL-KM 0° / HL-KM 30° / HL-KM 0°–90° (Blade drive gear)
Angle Drive Attachments
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FH 0°–90° (Blade drive gear 0°–90°)
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FH-KM 0°–90° (Blade drive gear 0°–90°)
Hedge Trimmers (Gear Housing)
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HS 74 (Gear housing, Cutter bar 420 mm / 17")
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HS 75 (Gear housing)
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HS 80 (Gear housing)
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HS 85 (Gear housing)
(Exact application depends on configuration and production version — always verify using OEM parts diagram.)
Installation Notes
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Remove the blade drive gear or gear housing cover as required
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Clean all mating surfaces thoroughly
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Remove the old gasket and inspect for residue or damage
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Install the new OEM gasket in correct orientation
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Reassemble gear housing and tighten fasteners to STIHL specifications
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Check for grease leaks after operation
⚠️ Gear housings contain lubrication — ensure proper sealing and torque during reassembly.
Maintenance Tips
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Inspect gaskets during routine gear housing service
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Replace gasket whenever gear housing is opened
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Keep gear assemblies properly lubricated
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Address grease leaks promptly to prevent gear damage
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Always use genuine STIHL OEM sealing components for best reliability
