Description
Overview:
This Genuine Stihl spark plug (MPN 4170 400 7000) is a direct-fit ignition component for selected Stihl brushcutters and trimmers, including the FS25-4 and FS65-4. Built with a durable steel shell, a robust ceramic insulator and a corrosion-resistant centre electrode, it delivers a consistent spark for reliable starting and smooth running. It restores dependable ignition performance, helps maintain power under load, and supports clean combustion when the engine is tuned correctly. Designed to meet Stihl OEM specifications, it fits the cylinder head correctly and seals well to prevent blow-by. Suitable for professional and domestic users, it is an ideal maintenance item to keep your garden machinery operating efficiently and to reduce misfires, rough idle and hard starting.
Key Features:
- Genuine Stihl part for assured compatibility and build quality
- Consistent ignition for easier starts and stable idle
- Durable construction for long service life under demanding use
- Correct heat characteristics to support efficient combustion in specified models
- Precise fit to OEM dimensions for secure seating and effective sealing
- Resistant to fouling when the engine is well maintained and using clean fuel
- Straightforward to install with standard tools, reducing downtime
- Supports optimal fuel economy and emissions when combined with regular servicing
Typical Applications:
Used as a routine service replacement in Stihl brushcutters and trimmers to restore reliable ignition, especially after poor starting, misfiring or loss of power. Suitable for landscaping, grounds maintenance and garden care on sites ranging from domestic gardens to commercial properties. Ideal for preventive maintenance schedules to keep machines running smoothly through the season.
Also known as:
Stihl FS25-4 spark plug, Stihl FS65-4 spark plug, OEM ignition plug 4170 400 7000, engine sparkplug for Stihl trimmers, replacement ignition plug for Stihl brushcutters, Stihl cutter spark plug, genuine Stihl ignition component.
Fits Models:
FS25-4, FS254, FS65-4, FS654
Alternate Part Numbers:
4170 400 7000, 41704007000
Product Specifications
| L&S Part No. | 4170 400 7000 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 41704007000 |
| Unit of Sale | 1 |
| Applications | FS25-4, FS254, FS65-4, FS654 |
| Machine Type | Brushcutters |
| Fits Brands | Stihl |
| Fits Models | FS25-4, FS65-4 |
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