This OEM Stihl air filter (Part No. 4140 124 2800) is designed to fit a range of Stihl handheld tools including FS38, FS40, FS45, FS46, FS55, FS56, KM55, HL45, HS45, and FC55. It’s a felt-style filter engineered to trap dust, dirt, and debris while maintaining optimal airflow to the engine.
Regular replacement of this filter helps reduce engine wear, improve fuel efficiency, and ensure smooth starting and consistent performance. It’s ideal for use in dusty or high-debris environments where clean air intake is critical.
This part is a genuine Stihl component, offering precise fitment and long-lasting durability. It installs easily and is suitable for both residential and commercial use.
Sold individually.
Technical Specifications:
OEM Part Number: 4140 124 2800
Filter Type: Felt
Dimensions: Approx. 56mm x 62mm x 8mm
Fits Models: FS38, FS40, FS45, FS46, FS55, FS56, KM55, HL45, HS45, FC55