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- 1137 120 1604 – STIHL Fleece Air Filter (Genuine OEM Part)
Description
1137 120 1604 – STIHL Fleece Air Filter (Genuine OEM Part)
The STIHL 1137 120 1604 is a genuine OEM fleece air filter designed to protect the engine by filtering dust, debris, and fine particles from the intake air on compatible STIHL chainsaws. This air filter helps maintain proper airflow while preventing contaminants from entering the carburetor and engine, supporting consistent performance and long engine life.
Manufactured to STIHL’s original equipment specifications, this fleece air filter is made from high-quality filtration material that delivers effective particle capture without restricting airflow. Using a genuine STIHL air filter helps preserve factory engine performance, fuel efficiency, and overall reliability.
Product Details
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Manufacturer Part Number: 1137 120 1604
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Brand: STIHL
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Part Type: Air Filter
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Filter Type: Fleece
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System: Air intake system
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Function: Filters intake air and protects engine components
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OEM Status: Genuine STIHL OEM replacement
Function
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Traps dust, dirt, and fine debris before air enters the engine
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Maintains proper airflow for efficient combustion
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Helps prevent premature engine and carburetor wear
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Supports consistent engine performance and fuel efficiency
Compatible With STIHL Chainsaws
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MS 194 T (Air filter, Manifold)
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MS 193 T (Air filter, Manifold)
How It’s Used
This fleece air filter installs within the air filter housing ahead of the carburetor and intake manifold. It cleans incoming air before it enters the engine, helping ensure efficient combustion and protecting internal components from contamination.
Proper installation and routine inspection are essential for optimal engine operation.
Suggested Maintenance
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Inspect the air filter regularly, especially in dusty conditions
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Clean or replace the filter according to STIHL recommendations
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Replace the filter if clogged, damaged, or excessively dirty
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Ensure the filter is seated correctly to prevent unfiltered air entry
The STIHL 1137 120 1604 Fleece Air Filter is used in OEM-specified air intake systems where effective filtration, correct airflow, and engine protection are critical.
