Stihl 1122 · Section D · 4 of 19 · 16 parts
Oil pump
Fits MS 660.
Parts (16)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 1122 649 5000 | Sealing ring B4x2 | 1 |
| 2 | 1122 647 0601 | Pump piston | 1 |
| 3 | 1128 647 4806 | Control bolt | 1 |
| 4 | 1122 640 3005 NLA | Pump housing | 1 |
| 5 | 0000 958 0611 | Washer | 2 |
| 6 | 0000 997 0629 | Compression spring | 1 |
| 7 | 1125 647 7002 | Plug | 1 |
| 8 | 9646 945 0160 | O-ring 4x2 | 2 |
| 9 | 9380 620 1090 | Roll pin 2x10 | 1 |
| 10 | 1122 647 0602 | Pump piston | 1 |
| 11 | 1128 647 4802 | Control bolt | 1 |
| 12 | 9022 313 0660 | Spline screw IS-M4x12 | 2 |
| 13 | 1122 640 7105 | Worm | 1 |
| 14 | 1122 647 2401 | Spring | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 1122 640 3205 | Oil pump (0.9 mm stroke) → replaced by 1122 640 3201 TI 34/2009 | 1 |
| — | 1122 640 3201 | Oil pump (1.15 mm stroke) | 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 NLA = withdrawn by STIHL before 2012.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 660? Report a correction →