Stihl 4170 · Section D · 4 of 14 · 28 parts
Air filter
Fits FS 25-4, FS 65-4.
Parts (28)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4170 129 0905 | Gasket | 1 |
| 2 | 4170 122 7100 | Screw | 2 |
| 3 | 4170 122 1801 | Heat shield | 1 |
| 4 | 4170 121 1601 | Spacer flange | 1 |
| 5 | 9022 341 1080 | Spline screw IS-M5x35 | 2 |
| 6 | 9291 021 0120 | Washer 5.3 | 2 |
| 7 | 4170 122 1800 | Heat shield | 1 |
| 8 | 4170 121 1600 | Spacer flange | 1 |
| 9 | 9022 313 1030 | Spline screw IS-M5x23 | 2 |
| 10 | 9022 341 0960 | Spline screw IS-M5x12 → replaced by 9022 341 0980 TI 3/2006 | 1 |
| 11 | 9307 021 0120 | Washer 5.3 | 1 |
| 12 | 4170 122 4600 | Support | 1 |
| 13 | 4170 129 0900 | Gasket | 1 |
| 14 | 4170 120 0601 | Carburetor WYL-131 | 1 |
| 15 | 4170 120 0602 | Carburetor WYL-135 | 1 |
| 16 | 4170 120 0600 | Carburetor WYL-62A | 1 |
| 17 | 4170 120 0610 | Carburetor WYL-63A | 1 |
| 19 | not sold separately | Hose 7x68 mm / 5/16x2 11/16'' not available as a separate item | 1 |
| 20 | 4170 140 2801 | Filter housing | 1 |
| 21 | 4170 140 2800 | Filter housing | 1 |
| 22 | 4170 141 2401 | Support plate | 1 |
| 23 | 4170 141 1800 | Sleeve | 2 |
| 24 | 9220 260 0700 | Hexagon nut M5 | 2 |
| 25 | 4170 141 0300 | Air filter | 1 |
| 26 | 4170 141 0501 | Filter cover | 1 |
| 27 | 4170 141 0500 | Filter cover no longer available from factory | 1 |
| 27 | 4170 141 0500 | Filter cover | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 4170 028 0605 | Hose 7 mm x 1 m / 5/16x40'' | 1 |
2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering.
Wrong number or missing part for the FS 25-4, FS 65-4? Report a correction →