Description
Overview:
This is a Genuine Stihl gasket designed to restore and maintain a tight seal in small petrol-powered machines. Supplied under Manufacturer Part Number 4140 129 0906, it is made from gasket‐grade fibre composite chosen for reliable sealing under heat, vibration, fuel and oil exposure. The gasket helps prevent air and fluid leaks that can lead to hard starting, poor running or loss of power, so it is a sensible replacement whenever mating faces are disturbed. Suitable for popular Stihl handheld tools including trimmers, brushcutters, KombiSystem engines and MultiSystem power units. Typical users include gardeners, landscapers and grounds maintenance teams. It offers a direct OEM fit for models such as KM 55 and KM 55 C, ensuring straightforward installation and dependable performance in everyday use.
Key Features:
- Genuine Stihl part for assured compatibility and build quality
- Correct profile for the specified engines to achieve a reliable seal
- Durable fibre composite material resists fuel, oil and heat cycling
- Helps restore performance by preventing air and fluid leaks
- Supports easy starting, stable idling and consistent power delivery
- Ideal to fit whenever components are serviced or removed
- Straightforward to install with standard hand tools
- OEM specification gives consistent thickness and compression characteristics
- Suitable for regular professional use in demanding conditions
- Clearly marked part number for quick identification and reordering
Typical Applications:
Used during routine maintenance, engine rebuilds, or carburettor and intake servicing on Stihl handheld equipment. Fit when reassembling housings or manifolds to prevent air ingress and fuel/oil leaks. Suitable for trimmers, brushcutters, hedge trimmers and MultiSystem/KombiSystem power units used in gardens, estates, amenities and light commercial work.
Also known as:
Seal, sealing gasket, carburettor gasket, intake gasket, packing gasket, spacer gasket, motor gasket, engine gasket, washer (gasket type).
Fits Models:
FC 55, FC 55 DZ, FS 38, FS 45, FS 45 C, FS 45 L, FS 46, FS 46 C, FS 55, FS 55 C, FS 55 R, FS 55 RC, FS 55 T, HL 45, KM 55, KM 55 C, KM 55 R, KM 55 RC, MM 55, MM 55 C, MM 55-Z, MM 55 C MultiSystem, MM 55-Z MultiSystem
Alternate Part Numbers:
4140-129-0906, 41401290906
Product Specifications
| L&S Part No. | 4140 129 0906 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 41401290906 |
| Unit of Sale | 1 |
| Applications | FC 55, FC 55 DZ, FC55, FC55DZ, FS 38, FS 45, FS 45 C, FS 45 L, FS 46, FS 46 C, FS 55, FS 55 C, FS 55 R, FS 55 RC, FS 55 T, FS38, FS45, FS45C, FS45L, FS46, FS46C, FS55, FS55C, FS55R, FS55RC, FS55T, HL 45, HL45, KM 55, KM 55 C, KM 55 R, KM 55 RC, KM55, KM55C, KM55R, KM55RC, MM 55, MM 55 C, MM 55 C MultiSystem, MM 55-Z, MM 55-Z MultiSystem, MM55, MM55-Z, MM55C, MM55Z |
| Fits Brands | Stihl |
| Fits Models | FS38, FS45, FS46 | FS55, FS55C, FS55R | KM55, KM55C, KM55R, KM55RC | MM 55, MM 55 C MultiSystem | MM 55-Z MultiSystem | FC 55 DZ | HL45 |
