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- 1142 140 4402 – STIHL HD2 Air Filter (Genuine OEM Part)
Description
1142 140 4402 – STIHL HD2 Air Filter (Genuine OEM Part)
The STIHL 1142 140 4402 is a genuine OEM HD2 air filter designed to provide superior engine protection and airflow for high-performance STIHL chainsaws. Featuring STIHL’s HD2 (Heavy Duty) filtration technology, this air filter captures fine dust and debris while maintaining optimal airflow, making it ideal for professional and demanding cutting conditions.
Manufactured to STIHL’s original equipment specifications, the HD2 air filter is constructed from durable, oil- and water-resistant synthetic material. It is washable and reusable, offering extended service life compared to standard fleece filters. Using a genuine STIHL HD2 air filter helps preserve engine performance, fuel efficiency, and long-term reliability.
Product Details
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Manufacturer Part Number: 1142 140 4402
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Brand: STIHL
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Part Type: Air Filter
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Filter Type: HD2 (Heavy Duty)
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System: Air intake system
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Function: Filters intake air and protects the engine
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Material: High-performance HD2 synthetic filter material
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OEM Status: Genuine STIHL OEM replacement
Function
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Traps fine dust, dirt, and debris before air enters the engine
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Maintains high airflow for efficient combustion
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Extends engine life by reducing internal wear
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Supports longer service intervals compared to standard filters
Compatible With STIHL Chainsaws
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MS 462 (Carburetor bracket, Air filter, Shroud)
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MS 462-R (Carburetor bracket, Air filter, Shroud)
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MS 462 C-M (Carburetor bracket, Air filter, Shroud – M-Tronic)
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MS 462 C-M R (Carburetor bracket, Air filter, Shroud – M-Tronic)
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MS 462 C-M R Rescue (Carburetor bracket, Air filter, Shroud – M-Tronic)
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MS 400.1 C-M (Air baffle, Carburetor bracket, Shroud)
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MS 400.1 C-M R (Air baffle, Carburetor bracket, Shroud)
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MS 400.1 C-M VW Arctic (Air baffle, Carburetor bracket, Shroud)
How It’s Used
This HD2 air filter installs in the air filter housing ahead of the carburetor. It cleans incoming air before it enters the engine, ensuring efficient combustion and protecting internal components from contamination.
The HD2 filter can be cleaned with warm soapy water or STIHL-approved cleaner and reused once fully dry.
Suggested Maintenance
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Inspect the air filter regularly, especially in dusty environments
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Clean the HD2 filter according to STIHL recommendations
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Allow the filter to dry completely before reinstalling
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Replace the filter if damaged or excessively worn
The STIHL 1142 140 4402 HD2 Air Filter is used in OEM-specified air intake system applications where high filtration efficiency, durability, and professional-grade engine protection are essential.
