Description
Overview:
The Crankcase Fan Side for Stihl MS441 and MS441C chainsaws (MPN 1138 020 2606) is a Genuine Stihl OEM component that forms one half of the engine housing on the flywheel/fan side. Manufactured from robust die‑cast alloy for strength and heat resistance, it supports the crankshaft bearings and seals, aligns the cylinder and crank shaft, and provides mounting points for the flywheel and starter mechanism. By maintaining precise tolerances and sealing surfaces, it helps preserve compression, cooling airflow and overall engine reliability. This part is engineered for a direct fit on the MS441 platform, making it suitable for professional forestry, arborist and grounds maintenance users, as well as DIY owners who need a durable, correct-fit replacement to restore performance after casing damage or wear. This is a Genuine Stihl part.
Key Features:
- Genuine Stihl OEM part for assured fit, material quality and durability
- Die‑cast alloy construction for strength, heat stability and long service life
- Factory-correct geometry helps maintain crank alignment and sealing integrity
- Supports flywheel/fan side components and starter pawl interface
- Protects internal engine parts from impact, debris and vibration
- Helps prevent air leaks that can cause poor running or overheating
- Direct replacement for the original housing on MS441/MS441C
- Compatible with OEM bearings, seals and fasteners (typically fitted separately)
- Smooth machined faces for reliable gasket/seal contact
- Suitable for professional repair and regular maintenance schedules
Typical Applications:
Used to replace a damaged or worn flywheel-side crankcase on Stihl MS441/MS441C saws. Common during full engine rebuilds, repairs after impact or casing cracks, and when resolving persistent air leaks, bearing seat wear, or misalignment that affects starting, idle stability, or cutting performance. Ensures the engine remains correctly sealed and supported for dependable daily use in forestry, landscaping and heavy-duty cutting tasks.
Also known as:
Flywheel-side crankcase, fan-side crankcase half, engine casing (fan side), crankcase housing (LH side on many models), or MS441 crankcase half. Often referred to as the fan housing side due to its interface with the flywheel/fan and starter assembly.
Fits Models:
MS441, MS441C
Alternate Part Numbers:
1138 020 2606, 1138-020-2606, 11380202606
Product Specifications
| L&S Part No. | 1138 020 2606 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11380202606 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS441, MS441C |
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