Stihl 4138 · Section E · 5 of 8 · 21 parts
Gear head (38.2002)
Fits HT-KM.
Parts (21)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4138 641 0300 | Gear housing → replaced by 4138 640 0551 TI 22/2011 no longer available from factory | 1 |
| 2 | 4138 640 3200 | Oil pump | 1 |
| 3 | not sold separately | Pinion not available as a separate item | 1 |
| 4 | not sold separately | Shaft not available as a separate item | 1 |
| 5 | 9503 003 9860 | Grooved ball bearing 609-2RS | 1 |
| 6 | 9503 003 5190 | Grooved ball bearing 6001-2RS | 1 |
| 7 | 9503 003 5030 | Grooved ball bearing 6000-2RS | 2 |
| 8 | 9455 621 0850 | Circlip 10x1 | 1 |
| 9 | 4138 641 0400 | Gearbox cover | 1 |
| 10 | 9022 341 1050 | Spline screw IS-M5x25 | 8 |
| 11 | 4138 642 8200 | Ring | 1 |
| 12 | 0000 958 0506 | Washer | 2 |
| 13 | 1206 642 1301 | Chain sprocket 3/8" Picco 7T | 1 |
| 14 | 9460 624 0801 | E-clip 8x1.3 | 1 |
| 15 | 0000 953 1402 | Stud M8 → replaced by 1129 664 2401 TI 20/1997 | 1 |
| 16 | 4138 351 9300 | Strainer | 1 |
| 17 | 4138 353 2900 | Rubber buffer | 1 |
| 18 | 0783 830 2000 | Tube of sealant Dirko HT red option | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 4138 640 0111 | Gearhead | 1 |
| — | 4138 640 7303 | Set of pinions 1.27 | 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.
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