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- 4149 140 2800 STIHL Filter Housing – Genuine OEM Part
Description
4149 140 2800 STIHL Filter Housing – Genuine OEM Part
The STIHL Filter Housing (4149 140 2800) is a genuine OEM air filter housing assembly designed for use on select STIHL trimmers and long-reach hedge trimmers up to specific engine serial numbers (serial number ranges apply).
This housing supports the air filter and intake system by providing a sealed enclosure that helps prevent dirt, dust, and debris from entering the engine. Replacing a damaged, cracked, or worn filter housing helps maintain proper air filtration, protects the carburetor, and ensures reliable engine performance.
Manufactured to STIHL factory specifications, this OEM filter housing provides the correct fit, secure mounting, and long-lasting durability.
Product Details
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OEM Part Number: 4149 140 2800
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Brand: STIHL (Genuine OEM)
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Part Type: Filter Housing / Air Filter Housing
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Application: Air intake / filter mounting area (varies by model)
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Condition: New Genuine OEM Part
Function
This OEM filter housing is designed to:
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Support and enclose the air filter assembly
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Help prevent dirt and debris from entering the intake system
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Maintain proper airflow and engine performance
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Replace cracked, broken, or worn filter housings
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Protect the carburetor and engine from contamination
⚠️ A damaged filter housing can cause air leaks, poor filtration, rough running, and premature engine wear.
Verify Fitment (Recommended)
Before ordering, confirm:
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OEM part number 4149 140 2800
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Your STIHL model is listed below
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Your engine serial number matches the range shown (up to)
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Part location matches your OEM parts 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 up to serial number 514399784
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HL 94 KC-E — 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 — Engine up to serial number 514368761
Trimmers / Brushcutters
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FS 94 R — Engine up to serial number 514309587
Installation Notes
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Turn off engine and allow it to cool completely
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Remove the air filter cover and air filter element
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Detach the old filter housing from the intake assembly
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Install STIHL OEM filter housing 4149 140 2800
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Reinstall the air filter and cover securely
⚠️ Ensure all seals and mounting points are properly seated to prevent air leaks.
Maintenance Tips
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Inspect the filter housing regularly for cracks or loose fitment
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Keep the air filter clean to prevent excessive dirt buildup
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Replace damaged housings to protect the carburetor and engine
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Use genuine STIHL OEM parts for correct fit and long-term durability

