Description
Overview:
The Air Filter HD2 (1144 140 4402) is a genuine Stihl replacement element for high‐performance chainsaws, including the MS 651 and MS 661. It uses fine‐pore HD2 media housed in a robust black plastic frame with a pleated white insert and a reliable sealing edge. The filter protects the engine by stopping dust, chips and abrasive particles while allowing strong, consistent airflow to the intake. This supports stable running, clean combustion and reduced internal wear. Designed for demanding forestry and construction tasks, it is well suited to large Stihl saws working in dusty conditions. The cartridge is straightforward to access beneath the top cover, making routine cleaning and refitting quick, and helping you keep your saw performing at its best. Genuine Stihl part.
Key Features:
- Genuine Stihl component for accurate fit and dependable sealing
- HD2 fine‐pore media helps block fine dust while maintaining airflow
- Durable, impact‐resistant frame for long service life
- Supports consistent power delivery and throttle response
- Helps protect piston, cylinder and bearings from abrasive wear
- Easy to access for cleaning and refitting to extend maintenance intervals
- Suitable for tough, dusty worksites and prolonged use
- Compatible with selected large‐frame Stihl chainsaws
Typical Applications:
Routine intake filtration for Stihl professional chainsaws used in felling, cross‐cutting, milling, firewood processing and site clearance. Ideal where airborne dust and chips are present, such as forestry, arboriculture, construction sites and timber yards, helping maintain performance and reduce engine wear.
Also known as:
Air cleaner element, HD2 filter cartridge, engine intake filter, chainsaw air element, filter insert for Stihl large chassis saws, replacement air filter for Stihl petrol chainsaws.
Fits Models:
MS 500i
MS 651
MS 661
MS 661 C
MS 661 C M
MS 661 C M W
Alternate Part Numbers:
1144 140 4400, 1144-140-4400, 1144-140-4402, 11441404400, 11441404402
Product Specifications
| L&S Part No. | 1144 140 4402 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11441404402 |
| Unit of Sale | 1 |
| Applications | MS 500i, MS 651, MS 661, MS 661 C, MS500i, MS651, MS661, MS661C, MS 661 C M, MS 661 C M W, MS500I, MS661CM, MS661CMW |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS651 | MS661, MS661C | MS500i |
