Description
4790 140 4400 – Air Filter (Genuine STIHL OEM Part for Kohler Engine)
The STIHL 4790 140 4400 Air Filter is a genuine OEM replacement air filter designed for STIHL equipment powered by compatible Kohler engines. Engineered to provide maximum filtration efficiency, this premium air filter protects the engine by preventing dirt, dust, grass clippings, and other airborne contaminants from entering the combustion chamber while maintaining optimal airflow for peak performance.
Manufactured to STIHL and Kohler’s exact specifications, the 4790 140 4400 Air Filter features high-quality filter media that balances superior filtration with unrestricted airflow. Regular replacement of the air filter helps improve fuel efficiency, maintain engine power, reduce engine wear, and extend the life of your equipment.
Product Details
-
Manufacturer Part Number: 4790 140 4400
-
Brand: STIHL
-
Engine Manufacturer: Kohler
-
Part Type: Air Filter
-
OEM Status: Genuine STIHL OEM Part
-
Filter Media: High-efficiency pleated filter element
-
System: Air Intake / Engine Filtration
-
Function: Removes dirt and debris from incoming engine air
-
Installation: Direct OEM replacement
Key Features
-
Genuine STIHL OEM replacement part
-
Designed for compatible Kohler-powered STIHL equipment
-
High-efficiency filtration media
-
Maintains proper engine airflow
-
Protects against dirt, dust, and debris
-
Helps improve fuel efficiency and engine performance
-
Durable construction for long service life
-
Direct-fit OEM replacement
Function
The STIHL 4790 140 4400 Air Filter filters incoming air before it reaches the engine, preventing abrasive contaminants from entering the combustion chamber. A clean air filter promotes efficient combustion, reliable starting, smoother engine operation, and reduced internal engine wear.
Replacing a clogged or damaged air filter at recommended service intervals helps maintain maximum engine performance and prolong engine life.
Compatibility
The STIHL 4790 140 4400 Air Filter is used on select STIHL equipment equipped with compatible Kohler engines, including certain RB Series pressure washers and other STIHL commercial equipment powered by Kohler engines.
Always verify your equipment model, engine model, and illustrated parts diagram before ordering to ensure correct fitment.
Who Is This For?
Ideal for:
-
Professional pressure washing contractors
-
Commercial cleaning companies
-
Landscaping professionals
-
Equipment repair technicians
-
Municipal maintenance crews
-
Homeowners maintaining STIHL equipment
Pros
-
Genuine STIHL OEM quality
-
Designed specifically for Kohler-powered STIHL equipment
-
Superior filtration efficiency
-
Maintains optimal engine airflow
-
Helps extend engine life
-
Easy direct-fit installation
-
Long-lasting performance
Cons
-
Fits only compatible STIHL equipment with Kohler engines
-
Should be replaced periodically depending on operating conditions
-
Does not include the air filter cover or housing
Comparison – Genuine STIHL OEM vs Aftermarket Air Filters
Genuine STIHL 4790 140 4400
-
Exact OEM dimensions and fit
-
Premium filtration media
-
Maximum airflow and engine protection
-
Factory-approved quality
-
Long service life
Generic Aftermarket Air Filter
-
Fitment may vary
-
Lower-quality filter media
-
Reduced airflow or filtration efficiency
-
Shorter service life
-
Performance varies by manufacturer
Why Buy from Barry’s Power Equipment?
Barry’s Power Equipment is an authorized STIHL dealer offering genuine STIHL equipment, OEM replacement parts, and accessories.
-
Authorized STIHL Dealer
-
Genuine STIHL OEM parts
-
Fast shipping throughout the USA
-
Competitive pricing
-
Expert customer support
-
Trusted by professional contractors and homeowners
-
Extensive inventory of STIHL pressure washer, Kohler engine, and maintenance parts
Keep your engine protected and performing at its best with the STIHL 4790 140 4400 Air Filter. Designed for compatible Kohler-powered STIHL equipment, this genuine OEM replacement delivers superior filtration, reliable engine protection, and long-lasting performance for demanding residential and commercial applications.
