Genuine Stihl Air Filter

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Genuine Stihl HL94 Air Filter (4149 120 1800) for top engine performance. OEM fit, durable, and easy to install for long-lasting trimmer care.

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Genuine Stihl Air Filter – Part No. 4149 120 1800

Keep your Stihl HL94 Hedge Trimmer performing at its best with this Genuine Stihl Air Filter, designed to deliver maximum filtration and consistent engine performance. Manufactured from premium-quality materials, this essential component efficiently removes dust, dirt, and debris from the air intake, ensuring a clean airflow to the engine.

Whether you’re a professional landscaper or a dedicated gardener, this air filter is a critical maintenance part that protects your equipment, improves reliability, and extends its service life. Its perfect OEM fit allows for quick, hassle-free installation, so your hedge trimmer stays ready for precision cutting every time.

Key Features:

  • Authentic Stihl part for guaranteed quality and performance

  • Optimized air filtration to protect engine components

  • Helps maintain consistent power output

  • Prolongs hedge trimmer lifespan

  • Simple, secure installation with perfect fit

  • Durable build for long-term use

Compatible Models:
FS94, FS94 C, FS94R, FS94RC, HL91K, HL91KC, HL92C, HL92KC, HL94, HL94C, HL94K, HL94KC

Alternate Part Numbers:
4149-120-1800, 41491201800

Also Known As:
Replacement filter, trimmer air filter, Stihl filter

Typical Application:
Designed specifically for Stihl HL94 Hedge Trimmers (and compatible models), this air filter is essential for routine maintenance, ensuring your equipment runs smoothly and efficiently season after season.