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Description
1146 140 4403 Air Fleece | Genuine STIHL OEM Replacement
The STIHL 1146 140 4403 Air Fleece is a genuine STIHL OEM air-filter component designed for compatible MS 150 C-E and MS 151 C-E chainsaws. It is used within the air filter and carburetor box cover assembly to help filter incoming air before it reaches the engine.
Features That Make a Difference
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Genuine STIHL OEM replacement part
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Part Number: 1146 140 4403
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Alternate Part Number: 11461404403
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Product Type: Air Fleece
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Designed for compatible STIHL MS 150 C-E and MS 151 C-E chainsaws.
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Used in the air filter / carburetor box cover assembly.
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Helps prevent dirt and debris from entering the engine's intake system.
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OEM-engineered for proper fit within the applicable air-filter assembly.
Benefits
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Replaces a dirty, worn, damaged, or missing air-filter fleece.
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Helps maintain clean airflow to the engine.
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Helps reduce the amount of dust and debris reaching the engine.
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Supports proper engine air filtration when correctly installed.
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Genuine STIHL construction provides proper fit and compatibility.
Specifications
| Specification | Details |
|---|---|
| Part Number | 1146 140 4403 |
| Alternate Part Number | 11461404403 |
| Product | Air Fleece |
| Brand | STIHL |
| Product Type | Air Filter Component |
| Assembly | Air Filter / Carburetor Box Cover |
| Applications | MS 150 C-E / MS 151 C-E |
| Part Type | Genuine OEM Replacement |
Compatibility
The 1146 140 4403 Air Fleece is listed for:
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MS 151 C-E — Air filter / Carburetor box cover
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MS 150 C-E — Air filter / Carburetor box cover
Always verify your exact chainsaw model and parts diagram before ordering.
What Does the Air Fleece Do?
The air fleece is part of the chainsaw's air-filtration system. It helps capture airborne dust and debris before the air enters the engine.
Clean, properly installed filtration is important for maintaining the engine's intended airflow and helping protect internal engine components from contaminants.
When Should the Air Fleece Be Replaced?
Inspect the air fleece regularly and replace it when it is:
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Excessively dirty.
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Damaged or torn.
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Deformed.
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No longer fitting correctly.
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Saturated with contaminants.
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Missing from the air-filter assembly.
A restricted or damaged filter component can affect airflow and engine performance.
Maintenance
Follow the maintenance instructions specified for your STIHL chainsaw.
When servicing the air-filter system:
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Shut off the chainsaw.
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Allow the engine to cool.
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Remove the appropriate cover according to the owner's manual.
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Inspect the air-filter components.
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Replace damaged or excessively contaminated fleece.
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Make sure the air-filter assembly is correctly installed before operating the saw.
Important Compatibility Note
This part is specifically listed for the MS 150 C-E and MS 151 C-E air-filter/carburetor-box-cover assemblies. Always compare the part number with your equipment's current parts diagram before ordering.
Why Buy from Barry’s Power Equipment?
Barry’s Power Equipment provides quality OEM and replacement parts for lawn, garden, and outdoor power equipment.
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Genuine OEM replacement parts
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Quality products for residential and commercial equipment
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Competitive Pricing
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Fast Shipping
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Expert Customer Support
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Reliable parts for professional equipment repair and maintenance
Keep the air-filtration system on your compatible STIHL chainsaw operating properly with the STIHL 1146 140 4403 Air Fleece, a genuine OEM replacement for MS 150 C-E and MS 151 C-E models.
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