Ferilter FS55R Air Filter & Tune Up Kit for STIHL Trimmers

Upgrade maintenance for STIHL trimmers with the Ferilter FS55R Tune Up Kit. This all-in-one set brings essential wear parts together, making routine service simpler and more dependable. Designed to fit a broad range of STIHL models, the kit supports easier starts, cleaner air intake, and steady fuel flow during regular yard work.

Overview and real world use

Whether you are tidying a small suburban lawn or tackling a larger outdoor space, a well maintained trimmer performs more smoothly. This kit combines components chosen to work together, delivering a balanced upgrade that can help your trimmer respond more readily to throttle input and maintain consistent operation after long storage or heavy use.

What’s included

• 2 air filters
• 2 fuel lines
• 2 fuel filters
• 2 primer bulbs
• 2 spark plugs

Compatibility and fitment highlights

• Fits STIHL FS38 through FS55R trimmers and FS55 series variations
• Compatible with KM55 and associated combi motors
• Designed for STIHL HL45 hedge trimmers

In everyday use, the kit supports practical maintenance tasks such as renewing air intake to help with cleaner combustion, replacing aged fuel lines to sustain steady fuel flow, and restoring reliable priming for easier starts. The parts are selected to work together without the need for specialized tools, offering a straightforward path to a refreshed engine feel.

Quality, value, and guidance

Ferilter aims to provide a practical alternative to OEM parts, pairing reliable materials with a value-focused price point. While individual results can vary, the kit is built to be a dependable option for routine tune ups and seasonal maintenance. Always consult the owner manual for installation steps and confirm model fitment against the official compatibility list before purchase.