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Description
1127 120 1621 – STIHL Air Filter Assembly (New Type) (Genuine OEM Part)
The STIHL 1127 120 1621 is a genuine OEM air filter assembly (new type), designed to deliver complete air filtration and proper sealing for compatible STIHL chainsaws. This assembly includes the filter housing and filtration components, ensuring clean intake air reaches the engine for optimal combustion and performance.
Manufactured to STIHL’s original equipment specifications, this updated air filter assembly provides improved filtration efficiency, reliable sealing, and consistent airflow. Using a genuine STIHL air filter assembly helps protect internal engine components from dust and debris, extending engine life and maintaining factory-level performance.
Product Details
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Manufacturer Part Number: 1127 120 1621
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Brand: STIHL
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Part Type: Air Filter Assembly (New Style)
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System: Air intake / filtration system
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Function: Complete air filtration and engine protection
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Material: High-quality polymer housing with OEM filter media
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OEM Status: Genuine STIHL OEM replacement
Function
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Filters intake air before it enters the carburetor
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Prevents dust and debris from damaging engine components
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Maintains proper airflow for efficient engine operation
Compatible With STIHL Chainsaws
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MS 290 (029)
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MS 310 (029 Super)
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MS 390 (039)
How It’s Used
This air filter assembly installs inside the air filter compartment of the chainsaw. During operation, incoming air passes through the filter media within the assembly, where contaminants are trapped before reaching the carburetor and engine.
Proper installation ensures effective filtration, correct airflow, and stable engine performance.
Suggested Maintenance
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Inspect the air filter assembly regularly, especially in dusty conditions
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Clean or replace the filter element as recommended by STIHL
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Ensure the housing seals properly to prevent unfiltered air entry
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Replace the assembly if damaged or if filtration performance declines
The STIHL 1127 120 1621 Air Filter Assembly (New Type) is used in OEM-specified air intake systems where complete filtration, correct fitment, and long-term engine protection are essential.
