Description
xStihl OEM fan housing engineered to replace worn or damaged housings on FS91 and compatible petrol brushcutters, part number 4180 080 1811.
This genuine Stihl replacement fan housing restores proper airflow and engine cooling for a range of Stihl brushcutter and KombiMotor models. Manufactured to original factory specifications, it fits multiple FS and KM series machines so you can maintain performance and prolong engine life. The housing is offered brand new and designed to match Stihl tolerances and mounting points for straightforward installation.
Which Stihl models use this fan housing?
The fan housing 4180 080 1811 is compatible with a number of petrol brushcutters and KombiMotor units. It directly fits FS89, FS89R, FS91, FS91R, FS111, FS111R, FS111RX, FS131, FS13R, KM19R, KM111R and KM131R. Confirm your model number on the machine label before ordering to ensure correct fitment.
- Direct OEM fit for FS91 and related FS series machines
- Compatible with specified KM KombiMotor models
- Multiple part numbers referenced: 4180 080 1811, 4180-080-1819, 41800801819
How does the replacement improve brushcutter performance?
Replacing a cracked or warped fan housing restores the fan’s ability to direct cooling air properly, preventing overheating and uneven engine temperatures. Using an original Stihl housing helps maintain factory airflow patterns which supports consistent running and ignition timing under load.
- Reestablishes correct cooling airflow to the cylinder and ignition components
- Reduces risk of heat-related wear and premature failures
- Ensures correct alignment for fan and bearing assemblies
What should I expect during installation and maintenance?
Installation is straightforward for someone familiar with small-engine assembly: remove the old housing, clean mating surfaces, and secure the new part using original fasteners. Routine checks of the housing for cracks or distortion are recommended during seasonal servicing to avoid unexpected breakdowns.
- Remove air filter and fan cover for access
- Inspect surrounding seals, fasteners, and flywheel key for wear
- Torque fasteners to factory specs and test run after installation
Why choose a genuine Stihl OEM replacement?
Genuine Stihl parts are produced to the same standards as the original components on your machine, minimizing fitment issues and ensuring materials and dimensions meet design criteria. Choosing OEM helps preserve resale value and simplifies future servicing since technicians expect factory parts.
- Manufactured to Stihl factory tolerances for reliable fit
- New, high-quality construction versus aftermarket unknowns
- Supported by Stihl-compatible service procedures and documentation
Who is this for: This fan housing is intended for owners, professional landscapers, and repair shops working with Stihl FS-series brushcutters or KM KombiMotor units that need a direct OEM replacement. If your machine shows signs of overheating, audible fan imbalance, or visible housing damage, this genuine Stihl part offers a dependable repair solution to restore proper cooling and prolong engine life.
Features:
- Genuine STIHL OEM Factory Part
- 100% Brand New and High Quality
FAQ
Q: Is this fan housing compatible with my FS91 brushcutter?
A: Yes — this OEM part 4180 080 1811 fits FS91 and several related FS models; confirm your model number before purchase.
Q: Will installing this housing require special tools?
A: No special tools are typically needed; standard hand tools used for small-engine service are sufficient for installation.
Delivery & Returns
xFree UK delivery on every order — packed within 1 business day, arriving in 2–4 business days.
Free 30-day returns — email us for a prepaid label; refunds land within 3–5 business days of the return arriving.
Why GardenLuxe
x- ✓ Proven best-sellers only — products UK gardens buy again and again
- ✓ Free UK delivery on every order
- ✓ Free 30-day returns with prepaid label
- ✓ Genuine products from reputable suppliers
- ✓ Human support — gardenluxe.co.uk@gmail.com
Care & Good To Know
x- Rugs & mats: hose down or machine wash per label; air-dry fully before storing.
- Shade cloth: use every grommet, tension with bungee ties, take down for winter storms.
- Fertilisers & plant food: always follow label dose rates; store sealed, dry and away from children and pets.
- Power tool parts: check bar length and pitch/gauge match your saw before fitting.
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