Features & Benefits
- Compatible with Stihl MS651, MS661, MS661C chainsaws.
- Replaces OEM part numbers 1144 140 4402 and 1144 140 4400.
- Offers excellent air permeability and strong filtering effect.
- Enhances engine performance by ensuring clean air flow.
- Includes 1 air filter and 1 spark plug in the package.
- Contact us for any unsatisfactory issues; we're here to help.