Stihl 4180 · Section P · 15 of 20 · 28 parts
Gear head
Fits HT 100, HT 101.
Parts (28)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4138 641 0301 | Gear housing | 1 |
| 2 | 4138 640 3200 | Oil pump | 1 |
| 3 | 4138 640 7302 | Set of pinions 1.27 | 1 |
| 4 | 9503 003 9860 | Grooved ball bearing 609-2RS | 1 |
| 5 | 9503 003 5190 | Grooved ball bearing 6001-2RS | 1 |
| 6 | 9503 003 5030 | Grooved ball bearing 6000-2RS | 2 |
| 7 | 9455 621 0850 | Circlip 10x1 | 1 |
| 8 | 4138 641 0400 | Gearbox cover | 1 |
| 9 | 9022 341 1050 | Spline screw IS-M5x25 | 8 |
| 10 | 4138 642 8201 | Ring | 1 |
| 11 | 1208 162 8900 | Washer | 2 |
| 12 | 4138 642 1250 | Chain sprocket 3/8" Picco 6T | 1 |
| 13 | 4138 642 1350 | Chain sprocket 3/8" Picco 7T | 1 |
| 14 | 0000 640 2000 | Chain sprocket 1/4" Picco 8T | 1 |
| 15 | 9485 648 1694 | Cup spring 28x10.2x1.25 | 3 |
| 16 | 1208 162 4200 | Collar screw | 1 |
| 17 | 0000 953 1402 | Stud M8 → replaced by 1129 664 2401 TI 20/1997 | 1 |
| 18 | 1128 640 9100 | Valve | 1 |
| 19 | 4138 353 2700 | Connector | 1 |
| 20 | 1117 647 6801 | Strainer | 1 |
| 21 | 3670 005 0064 | 71PM3 chain Picco Micro | 1 |
| 22 | 3005 008 3405 | Guide bar 30cm/12" 1,1mm/0.043" 1/4"P | 1 |
| 23 | 3610 000 0044 | 61PMM3 chain Picco Micro Mini 3 | 1 |
| 24 | 3005 000 3905 | Guide bar 30cm/12" 1,1mm/0.043" 3/8"P | 1 |
| 25 | 0783 830 2000 | Tube of sealant Dirko HT red option | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 4182 640 0107 | Gearhead | 1 |
| — | 4138 640 0116 | Gearhead | 1 |
| — | 0781 120 1118 | Gear lubricant 225 g not illustratedoption | 1 |
2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering.
Wrong number or missing part for the HT 100, HT 101? Report a correction →