Description
Overview:
This pump diaphragm is a genuine Stihl part for the carburettor fuel pump on the FS 94 series brushcutter and other compatible Stihl machines. It is a thin, flexible, fuel‐resistant diaphragm that drives fuel delivery from the tank to the carburettor, helping the engine start easily, idle steadily, and respond well to throttle. Made from durable materials suited to petrol two‐stroke equipment, it replaces worn or hardened diaphragms that can cause poor running or hard starting. Designed as a direct replacement for OEM No. 4149 121 4801, it fits selected brushcutters, long‐reach hedge trimmers and Kombi engines, including FS 94 and FS 94 C‐E models. Being a genuine Stihl component ensures the correct fit and function for reliable everyday use.
Key Features:
- Genuine Stihl part for assured compatibility and performance
- Direct replacement for OEM No. 4149 121 4801
- Fuel‐resistant diaphragm material for reliable use with modern pump petrol
- Helps restore smooth starting, stable idling, and clean acceleration
- Supports accurate metering and consistent fuel flow in the carburettor
- Durable construction for long service life in tough, outdoor conditions
- Sized to fit correctly without modification on listed models
- Simple to install during routine carburettor maintenance or rebuilds
- Cost‐effective fix for symptoms caused by a hardened or damaged diaphragm
- Suitable for professional users and DIY maintenance alike
Typical Applications:
Used during servicing of Stihl two‐stroke machines to cure hard starting, uneven idle, hesitation, or poor power caused by a tired carburettor diaphragm. Commonly fitted to brushcutters, long‐reach hedge trimmers and Kombi engines working in landscaping, grounds maintenance, estate management, and domestic garden care.
Also known as:
Fuel pump diaphragm, carburettor pump diaphragm, carb diaphragm, carburettor membrane, pump membrane, carb pump diaphragm.
Fits Models:
FS 23 C-E, FS 23 RC-E, FS 23 SC-E, FS 24 C-E, FS 24 RC-E, FS 24 SC-E, FS 25 C-E, FS 26 C-E, FS 26 RC-E, FS 26 SC-E, FS 94, FS 94 C-E, FS 94 C-E Z, FS 94 R-Z, FS 94 RC-E Z, FS25 C-E, FS25CE, FS94, FS94 C, FS94C, FS94R, FS94RC, HL 91 K-Z, HL 91 KC-E, HL 92 C-E, HL 92 KC-E, HL 94 C-E, HL 94 K-Z, HL 94 KC-E, HL 94-Z, HL94Z, KM 94 R-Z, KM 94 RC-E, KM 94 RC-E Z, SP 92 C-E, SP 92 TC-E
Alternate Part Numbers:
4149-121-4801, 41491214801
Product Specifications
| L&S Part No. | 4149 121 4801 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 41491214801 |
| Unit of Sale | 1 |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part ensures compatibility with FS 94 series - Direct replacement for OEM No. 4149 121 4801 - Fuel-resistant diaphragm material for modern pump petrol - Fits brushcutters, hedge trimmers, and Kombi engines - Restores smooth starting and stable idling performance |
| Fits Models | FS94, FS94 C, FS94R, FS94RC |
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