Stihl 1143 · Section C · 3 of 14 · 24 parts
Oil pump, Clutch
Fits MS 231, MS 231 C, MS 251, MS 251 C.
Parts (24)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 1143 640 3201 | Oil pump | 1 |
| 2 | 1143 647 9403 | Hose | 1 |
| 3 | 9075 478 3016 | Pan head self-tapping screw IS-D4x16 | 2 |
| 4 | 1123 640 7102 | Worm | 1 |
| 5 | 1123 647 2400 | Spring | 1 |
| 6 | 1121 162 3201 | Carrier | 1 |
| 7 | 1129 162 0800 | Clutch shoe | 3 |
| 8 | 1127 162 3000 | Retainer | 3 |
| 9 | 0000 997 5515 | Tension spring | 3 |
| 10 | 1121 162 1001 | Cover washer | 1 |
| 11 | 9512 933 2260 | Needle cage 10x13x10 | 1 |
| 12 | 1143 640 2000 | Chain sprocket 3/8" Picco 6T | 1 |
| 13 | 1143 640 2002 | Chain sprocket 0.325" 7T | 1 |
| 14 | not sold separately | Clutch drum optionnot available as a separate item | 1 |
| 15 | 0000 642 1240 NLA | Rim sprocket 3/8" Picco 7T option | 1 |
| 16 | 0000 642 1236 NLA | Rim sprocket 0.325" 7T option | 1 |
| 17 | 0000 642 1234 NLA | Rim sprocket 0.325" 8T option | 1 |
| 18 | 0000 958 1022 | Washer Ø 27 mm | 1 |
| 19 | 9460 624 0801 | E-clip 8x1.3 | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 1123 160 2050 | Clutch | 1 |
| — | 1123 640 2007 NLA | Chain sprocket 1/4" 8T not illustratedoption | 1 |
| — | 1143 007 1002 | Rim sprocket kit 3/8" 7T option | 1 |
| — | 1143 007 1003 | Rim sprocket kit 0.325" 7T option | 1 |
| — | 1143 007 1004 | Rim sprocket kit 0.325" 8T option | 1 |
2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering. NLA = withdrawn by STIHL before 2012.
Wrong number or missing part for the MS 231, MS 231 C, MS 251, MS 251 C? Report a correction →