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- 4149 029 2301 STIHL Cylinder Gasket – Genuine OEM Part
Description
4149 029 2301 STIHL Cylinder Gasket – Genuine OEM Part
The STIHL Cylinder Gasket (4149 029 2301) is a genuine OEM engine gasket designed for use between the cylinder and crankcase on select STIHL trimmers, Kombi tools, and hedge trimmers (serial number ranges apply).
This cylinder gasket seals the engine crankcase-to-cylinder joint to prevent air leaks, compression loss, and crankcase pressure issues. Replacing a damaged, leaking, or worn gasket helps maintain correct engine compression, proper fuel/air mixture control, and reliable performance.
Manufactured to STIHL factory specifications, this OEM cylinder gasket provides correct fitment, proper sealing, and long-lasting durability.
Product Details
OEM Part Number: 4149 029 2301
Brand: STIHL (Genuine OEM)
Part Type: Cylinder Gasket / Crankcase-to-Cylinder Gasket
Application: Engine Cylinder / Crankcase (varies by model)
Condition: New Genuine OEM Part
Function
This OEM cylinder gasket is designed to:
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Seal the joint between the cylinder and crankcase
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Prevent air leaks that can cause lean running
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Maintain proper crankcase pressure for correct fuel delivery
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Help restore compression and stable engine performance
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Replace damaged, torn, or leaking cylinder gaskets
⚠️ A leaking cylinder gasket can cause hard starting, high idle, poor performance, overheating, and possible engine damage.
Verify Fitment (Recommended)
Before ordering, confirm:
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OEM part number 4149 029 2301
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Your STIHL model is listed below
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Your machine serial number matches the range shown
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Part location matches your engine / cylinder diagram
⚠️ Always verify fitment by OEM part number and serial number for best accuracy.
Compatibility (Fits STIHL Models)
(Serial number range applies)
Hedge Trimmers / Long-Reach Units
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HL 91 K (Engine from serial number 516095589)
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HL 94 (Engine up to serial number 514368761)
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HL 94 K (Engine up to serial number 514368761)
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HL 94 KC-E (Engine up to serial number 514368761)
Trimmers / Brushcutters
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FS 94 R (Engine up to serial number 514309587)
Kombi Tools
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KM 94 R (Engine up to serial number 514291126)
Installation Notes
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Turn off engine and allow it to cool
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Drain fuel and remove engine covers as required
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Remove cylinder mounting fasteners
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Remove old gasket and clean sealing surfaces carefully
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Install STIHL OEM cylinder gasket 4149 029 2301
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Reinstall cylinder and torque fasteners evenly to OEM specification
⚠️ Do not use excessive sealant unless the service manual specifically calls for it.
Maintenance Tips
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Inspect gasket surfaces during engine service
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Replace gasket whenever the cylinder is removed
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Check for air leaks if engine runs lean or idles too high
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Use genuine STIHL OEM gaskets for correct fit and sealing
