STIHL 4180 141 0300 Air Filter | OEM FS91 FS111 FS131 KM131 HT105

STIHL 4180 141 0300 Air Filter

The STIHL 4180 141 0300 Air Filter is an OEM replacement air filter for select STIHL trimmers, brushcutters, KombiSystem powerheads, pole pruners, edgers, augers, and related handheld equipment. A clean air filter helps protect the engine from dirt and debris while supporting proper airflow and reliable performance.

This air filter is commonly searched as STIHL 4180 141 0300, STIHL 41801410300, STIHL FS 91 air filter, STIHL FS 111 air filter, STIHL FS 131 air filter, STIHL KM 131 R air filter, or OEM STIHL air filter replacement.

Always verify your exact STIHL model, serial number, version, and parts diagram before ordering. Do not order by model family alone because air filter fitment can vary by production version and diagram section.

Product Details

Key Features

• OEM STIHL air filter replacement
• Part number 4180 141 0300
• Also searched as 41801410300
• Helps protect the engine from dust, dirt, and debris
• Supports proper airflow for reliable engine performance
• Fits select STIHL FS, FC, HT, KM, BT, and FB series equipment
• Factory-style replacement when listed in your STIHL parts diagram

Fits Select STIHL Models

The following model list is based on supplied where-used fitment information. Always confirm your exact equipment version and STIHL parts diagram before ordering.

Diagram Section References

Depending on the model, this part may be shown in STIHL diagrams under sections such as Muffler, Air Filter, Rewind Starter, Fuel Tank, or Ignition System. Use your serial-number-specific diagram to confirm the correct part location.

When to Replace an Air Filter

• Air filter is dirty, clogged, damaged, or oil-soaked
• Engine is hard to start or does not accelerate properly
• Equipment loses power under load
• Filter media is torn, crushed, or no longer sealing correctly
• Your STIHL maintenance schedule calls for air filter replacement

Important Fitment Notes

• This listing is for STIHL part number 4180 141 0300
• Verify your exact model, serial number, and parts diagram before ordering
• Confirm the air filter shape, housing style, and original part number match your equipment
• Do not order by model name alone because equipment versions can vary
• Use only the correct air filter listed for your specific STIHL model and version

Installation and Service Notes

Shut the engine off and allow the unit to cool before servicing the air filter. Follow the STIHL instruction manual for your exact model.

• Remove the air filter cover carefully
• Clean loose debris from around the air filter housing before removing the old filter
• Do not allow dirt to enter the carburetor or intake area
• Install the new air filter so it seats and seals correctly
• Do not operate equipment without the air filter installed

Part Number / Search Terms

• STIHL 4180 141 0300
• STIHL 41801410300
• 4180 141 0300 air filter
• OEM STIHL air filter
• STIHL FS 91 air filter
• STIHL FS 91 R air filter
• STIHL FS 111 air filter
• STIHL FS 111 R air filter
• STIHL FS 131 air filter
• STIHL FS 131 R air filter
• STIHL KM 91 R air filter
• STIHL KM 111 R air filter
• STIHL KM 131 R air filter
• STIHL HT 102 air filter
• STIHL HT 105 air filter
• STIHL HT 131 air filter
• STIHL BT 131 air filter
• STIHL FB 131 air filter
• STIHL FC 91 air filter
• STIHL FC 111 air filter

Frequently Asked Questions

P&P Small Engines stocks OEM STIHL air filters, fuel filters, spark plugs, trimmer parts, KombiSystem parts, pole pruner parts, edger parts, chainsaw accessories, and professional outdoor power equipment.