Stihl 4180 · Assembly · 5 of 18 · 11 parts
G - Ignition system
Fits FS 91 R-Z.
Source: 03-2025 (United States, English) · FS 91 R-Z · PDF page 14. Check this exact variant and the row remarks before ordering.
Parts (11)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4180 400 1200 | Flywheel | 1 |
| 2 | 9210 261 1140 | Hexagon nut M8x1 | 1 |
| 3 | 4180 400 1320 | Ignition module Contains item(s): 4, 5 | 1 |
| 4 | 0000 998 0604 | Spark plug contact spring | 1 |
| 5 | 0000 405 1005 | Spark plug boot | 1 |
| 6 | 4180 405 8000 | Insulator | 1 |
| 7 | 9075 478 3018 | Pan head self-tapping screw IS-D4x18 | 2 |
| 7 | 9075 478 3018 | Pan head self-tapping screw IS-D4x18 | 2 |
| 8 | 9291 021 0100 | Washer 4.3 | 2 |
| 10 | 0000 400 7027 | Spark plug STIHL ZK H 10 | 1 |
| 11 | 0000 400 7028 | Spark plug STIHL ZK H 10, pack of 40 | 1 |
Parts are not interchangeable across engine series — check yours before ordering.
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