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Description
4180 080 1809 – STIHL Fan Housing for FS 90, FS 110 & KM 90/110 (Genuine STIHL OEM Part)
The STIHL 4180 080 1809 Fan Housing is a genuine OEM replacement component designed for compatible STIHL FS-series brushcutters, trimmers, and KM KombiSystem powerheads. Engineered to STIHL's exact factory specifications, this fan housing protects the flywheel and recoil starter assembly while directing cooling airflow over the engine to maintain proper operating temperatures.
Manufactured from high-strength, impact-resistant polymer, the 4180 080 1809 Fan Housing is built to withstand vibration, impacts, UV exposure, and demanding professional landscaping conditions. As a genuine STIHL replacement part, it restores factory fit, appearance, and cooling efficiency.
Product Details
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Part Number: 4180 080 1809
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Brand: STIHL
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Part Type: Fan Housing
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Function: Protects the flywheel and directs cooling airflow around the engine
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Material: High-Strength Impact-Resistant Polymer
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Installation: Direct OEM Replacement
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OEM Status: Genuine STIHL OEM Part
Key Features
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Genuine STIHL OEM replacement fan housing
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Durable impact-resistant polymer construction
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Maintains proper engine cooling airflow
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Protects the flywheel and recoil starter assembly
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Weather- and UV-resistant materials
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Precision-molded for an exact factory fit
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Designed for professional outdoor power equipment
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Direct replacement with no modifications required
Function
The 4180 080 1809 Fan Housing surrounds the flywheel and cooling fan, directing airflow across the engine cylinder and cooling fins. It also protects internal components from dirt, debris, and accidental impact, helping ensure reliable engine performance and extended service life.
Compatible STIHL Models
The STIHL 4180 080 1809 Fan Housing is compatible with selected STIHL equipment, including:
Brushcutters & Trimmers
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STIHL FS 90
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STIHL FS 90 R
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STIHL FS 100
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STIHL FS 110
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STIHL FS 110 R
KombiSystem Powerheads
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STIHL KM 90
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STIHL KM 90 R
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STIHL KM 110
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STIHL KM 110 R
It may also fit additional STIHL models that specify OEM part number 4180 080 1809.
Always verify your equipment model, serial number, illustrated parts diagram, and original OEM part number before ordering.
Who Is This For?
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Professional landscapers
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Grounds maintenance crews
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Municipal maintenance departments
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Outdoor power equipment technicians
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Property owners
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STIHL equipment owners
Recommended Property Size
Ideal for:
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Residential properties
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Large estates
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Commercial landscapes
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Parks
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Schools
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Municipal grounds
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Professional vegetation management
Pros
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Genuine STIHL OEM quality
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Exact factory fit and finish
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Durable impact-resistant construction
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Maintains proper engine cooling
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Protects internal engine components
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Long service life
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Easy direct replacement
Cons
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Compatible only with equipment utilizing OEM part number 4180 080 1809
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Recoil starter components are sold separately
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Damaged cooling shrouds should be replaced promptly to maintain proper engine cooling
Comparison – STIHL 4180 080 1809 OEM Fan Housing vs Aftermarket Housings
STIHL 4180 080 1809 Genuine OEM Fan Housing
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Exact OEM dimensions and mounting points
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Premium impact-resistant polymer
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Optimized airflow for engine cooling
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Superior durability and fit
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Designed specifically for STIHL FS and KM equipment
Aftermarket Fan Housings
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May vary in molding accuracy and material quality
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Potential fitment or airflow issues
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Variable durability under commercial use
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May not provide the same factory appearance or cooling performance
Why Buy from Barry's Power Equipment?
Barry's Power Equipment is an authorized STIHL dealer supplying genuine OEM replacement parts trusted by professional landscapers, arborists, municipalities, and outdoor power equipment technicians.
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Genuine STIHL OEM replacement parts
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Fast nationwide shipping
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Competitive pricing
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Expert technical support
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Extensive inventory for STIHL, Scag, Wright, Toro, Exmark, Ariens, Gravely, Ferris, Kawasaki, Kohler, Honda, Briggs & Stratton, Cub Cadet, and John Deere equipment.
