Description
Overview:
This Genuine Stihl air filter (OEM No. 1139 120 1602) is a fleece-media filter element designed for Stihl homeowner and light professional chainsaws. Built with a durable fleece filtration layer held in a rigid frame, it protects the engine by trapping fine sawdust and debris before they reach the intake. A clean filter helps maintain correct air-fuel mixture, steady idle, and reliable power, while reducing wear to internal engine parts. It is intended for regular maintenance on tools such as the Stihl MS 181 and MS 181 C, and is suitable for users ranging from DIY firewood cutters to tradespeople who need dependable day-to-day performance. The filter is quick to remove and refit, keeping downtime to a minimum.
Key Features:
- Genuine Stihl part for correct fit and dependable sealing
- Fleece filter media captures fine dust to protect the engine
- Helps maintain power, throttle response, and fuel efficiency
- Robust frame resists deformation during fitting and use
- Easy, tool-free access on compatible saws for fast changes
- Supports longer engine life by reducing abrasive intake contamination
- Suitable for routine maintenance intervals in dusty conditions
- OEM quality ensures consistent performance and reliability
Typical Applications:
Routine air intake maintenance on chainsaws used for cutting firewood, landscape work, pruning, small felling, and carpentry tasks. Ideal for sites with sawdust, dirt, or light masonry dust where maintaining airflow is essential for easy starting and stable running.
Also known as:
Air cleaner insert, intake filter element, fleece filter cartridge, chainsaw intake filter, engine air filter element, pre-filter element.
Fits Models:
MS 171, MS 171 C, MS 171 C BE, MS 181, MS 181 C, MS 181 C BE, MS 211, MS 211 C, MS 211 C BE
Alternate Part Numbers:
1139-120-1602, 11391201602, SL 1191, SL1191
Product Specifications
| L&S Part No. | 1139 120 1602 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11391201602 |
| Unit of Sale | 1 |
| Applications | MS 171, MS 171 C, MS 181, MS 181 C, MS 211, MS 211 C, MS171, MS171C, MS181, MS181C, MS211, MS211C, MS 181 C BE, MS 211 C BE, MS 171 C BE, MS181CBE, MS211CBE, MS171CBE |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS171, MS171C | MS181, MS181C | MS211, MS211C |
