Stihl 4128 · Section J · 9 of 21 · 37 parts
Carburetor C1Q-S113 (23.2007)
Fits FS 400, FS 450, FS 480.
Parts (37)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4128 120 7150 | Throttle shaft with lever | 1 |
| 2 | 1123 122 3000 | Spring | 1 |
| 3 | 4128 121 8901 | Pin | 1 |
| 4 | 4137 121 8600 | Washer | 1 |
| 5 | 1120 122 9000 | E-clip | 1 |
| 6 | 4134 123 7300 | Lever | 1 |
| 7 | 9079 319 0280 | Flat head screw M3x3.5 | 1 |
| 8 | 1120 122 9000 | E-clip | 1 |
| 9 | 4134 121 3000 | Choke shaft | 1 |
| 10 | 1129 121 4800 | Pump diaphragm | 1 |
| 11 | 1123 129 0905 | Gasket | 1 |
| 12 | 4134 121 0802 | End cover | 1 |
| 13 | 1120 122 7800 | Oval head screw | 1 |
| 14 | 4116 121 5100 | Inlet needle | 1 |
| 15 | 4128 122 3000 | Spring | 1 |
| 16 | 1125 121 5000 | Inlet control lever | 1 |
| 17 | 1120 121 9200 | Spindle | 1 |
| 18 | 1120 122 6600 | Collar screw | 1 |
| 19 | 1129 129 0900 | Gasket → replaced by 4134 121 4700 TI 16/2009 | 1 |
| 20 | 4129 121 4700 | Metering diaphragm | 1 |
| 21 | 4134 121 0801 | End cover → replaced by 4134 121 0803, 4134 121 0803 TI 6/2009 | 1 |
| 22 | 1120 122 6601 | Collar screw | 4 |
| 23 | 4134 122 6701 | High speed adjustment screw | 1 |
| 24 | 4128 122 6801 | Low speed adjustment screw | 1 |
| 25 | 1123 121 7800 | Strainer | 1 |
| 26 | 4180 122 6200 | Idle speed adjustment screw | 1 |
| 27 | 1125 122 7403 | Round head screw | 1 |
| 28 | 4128 121 3301 | Throttle shutter | 1 |
| 29 | 1125 122 4200 | Clamp | 1 |
| 30 | 4119 122 3002 | Spring | 1 |
| 31 | 4119 122 4200 | Ball | 1 |
| 32 | 4128 121 2900 | Choke shutter | 1 |
| 33 | 1125 122 7403 | Round head screw | 1 |
| 34 | 4229 121 2701 | Cap | 1 |
| 35 | 4137 121 5601 | Fixed jet 0.42 | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | not sold separately | Carburetor C1Q-S113 | 1 |
| — | 1129 007 1062 | Set of carburetor parts → replaced by 4128 007 1060, 4128 007 1060 TI 6/2009 | 1 |
2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering.
Wrong number or missing part for the FS 400, FS 450, FS 480? Report a correction →