This Genuine Stihl Filter Housing is a direct replacement cover for the air filter assembly on selected Stihl brushcutters and KombiEngines, including FS 38 and FS 45. Moulded from durable plastic, it protects the air filter and intake area from dust and debris while helping to maintain a reliable seal around the filter element. A secure, undamaged housing is important for clean airflow, easy starting, and consistent engine performance. Designed to match the original fit and finish, it installs using the existing fixings on the machine with no modifications required. Built for everyday use in gardens, landscaping and light site work, it is a practical maintenance part that helps keep your Stihl two‐stroke equipment running smoothly.

Key Features:
– Genuine Stihl part for assured compatibility and fit
– Protects the air filter and intake from dust and debris
– Helps maintain correct airflow for performance and engine life
– Durable moulded plastic construction for everyday working conditions
– Direct-fit replacement using original screws/clips
– Supports easy starting and stable idling by preserving clean intake air
– Maintains proper sealing around the filter element
– Suitable for routine maintenance and quick repairs to cracked or missing covers
– Designed for use on popular Stihl brushcutter and KM models
– Built to withstand frequent handling during filter checks and changes

Typical Applications:
Used when the original air filter cover is cracked, lost or worn. Common in garden maintenance, edging, strimming, and light landscaping where dust and grass fines are present. Ideal for seasonal servicing to restore correct intake protection and airflow on Stihl brushcutters and KM multi-tool powerheads.

Also known as:
Filter cover, air filter cover, air cleaner cover, air bocover, intake cover, air cleaner case, filter casing, intake guard.

Fits Models:
FS 38, FS 45, FS 46, FS 55, FS 55 C, FS 55 R, KM 55, KM 55 C, KM 55 R, KM 55 RC

Alternate Part Numbers:
4140-140-2851, 41401402851

Product Specifications