Stihl HS81 Fan Cover 4237 080 1812

STIHL Fan Housing / Cooling Shroud – OEM 4237 080 1812

Genuine STIHL Fan Cover for HS 81, HS 82 & HS 86 Hedge Trimmers

Protect your engine and maintain optimal cooling performance with this genuine STIHL fan housing (OEM part number 4237 080 1812). Designed for STIHL petrol hedge trimmers, this cooling shroud / flywheel cover safeguards the fan assembly while directing airflow to keep your engine running efficiently in demanding conditions.

🔧 Product Overview

The STIHL 4237 080 1812 fan housing is a critical protective component that covers the flywheel cooling fan, preventing debris, dirt, and accidental contact from causing damage. At the same time, it helps channel airflow around the engine, ensuring proper cooling and consistent performance.

Manufactured from high-impact, heat-resistant polymer in STIHL’s signature orange finish, this OEM part is built to withstand professional landscaping, arborist, and commercial hedge trimming environments. Its precision-molded design ensures a direct factory fit, allowing for quick installation using existing mounting points.

Whether you’re replacing a cracked, warped, or missing cover, this STIHL Hs81 hedge trimmer fan shroud restores safe operation, proper airflow, and long-term engine reliability.

✅ Key Features

• Genuine STIHL OEM Part – Guaranteed fit, quality, and durability
• Part Number: 4237 080 1812 (also listed as 42370801812 / 4237-080-1812)
• Heavy-Duty Polymer Construction – Impact, heat, fuel, and UV resistant
• Engine Protection – Shields flywheel fan from debris and damage
• Optimized Cooling Airflow – Maintains proper ventilation for engine longevity
• Precision OEM Fit – Aligns perfectly with original mounting points
• Easy Installation – Reuses existing screws and fittings
• OEM STIHL Orange Finish – Matches original equipment appearance
• Compatible with ErgoStart Models – Supports reliable starting performance

⚙️ Compatibility

This STIHL fan housing / cooling shroud fits a range of STIHL hedge trimmers, including:

• STIHL HS 81 RC-E
• STIHL HS 81 TC-E
• STIHL HS 81 TC-E Z
• STIHL HS 82 RC-E
• STIHL HS 82
• STIHL HS 86

(Also commonly searched as HS81, HS82, HS86, HS81RCE, HS82RCE – always confirm part number before purchase.)

🛠️ Typical Applications

• Replacing cracked, damaged, or missing fan housings
• Restoring proper engine cooling airflow
• Protecting internal components during hedge trimming
• Routine servicing and refurbishment of hedge trimmers
• Professional landscaping, grounds maintenance, and garden care

🔄 Also Known As

• STIHL fan cover
• Cooling shroud / air shroud
• Flywheel housing / blower housing
• Engine cover / side cover
• Cooling duct cover

🌲 Why Choose Genuine STIHL Parts?

Using a genuine STIHL fan housing 4237 080 1812 ensures:

• Perfect OEM fit and finish
• Maximum durability in demanding environments
• Proper airflow for engine cooling and performance
• Reliable long-term operation compared to aftermarket parts

📦 Product Specifications

• Manufacturer: STIHL
• Part Number: 4237 080 1812
• Alternate Formats: 42370801812 / 4237-080-1812
• Part Type: Fan Housing / Cooling Shroud / Flywheel Cover
• Material: High-impact, heat-resistant polymer
• Unit of Sale: 1
• Machine Type: Hedge Trimmers
• Fits Brand: STIHL

🚚 Built for Professional & Domestic Use

This STIHL HS81 / HS82 / HS86 fan housing replacement is ideal for professional landscapers, contractors, and homeowners who need reliable, long-lasting hedge trimmer performance.

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