Stihl 4310 · Section A · 1 of 5 · 22 parts
BT 311 Gear head
Fits BT 311.
Parts (22)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4310 640 1400 | Housing | 1 |
| 2 | 4310 641 9400 | Bearing bushing | 2 |
| 3 | 9512 933 4630 | Needle cage 40806 | 2 |
| 4 | 9630 003 2160 | Oil seal 20x29x4 | 1 |
| 5 | 9041 319 9360 | Pan head screw 3/16"x1/2" | 1 |
| 6 | 4310 642 2501 | Drive pinion shaft | 1 |
| 7 | 9503 003 6440 | Grooved ball bearing 6201-2RS → replaced by 9503 003 6420 TI 5/1994 | 1 |
| 8 | 9456 621 3600 | Circlip 32x1.2 | 1 |
| 9 | 4310 641 7200 | Locking ring | 1 |
| 10 | 9132 381 9140 | Grub screw 1/2"x45 | 1 |
| 11 | 9536 003 0540 | Thrust washer 28x46x2 | 1 |
| 12 | 9526 929 4800 | Needle thrust bearing 20x40x3 | 2 |
| 13 | 9536 003 0530 | Thrust washer 21x46x2 | 1 |
| 14 | 4310 641 3101 | Spring | 1 |
| 15 | 4310 642 0600 | Drive shaft | 1 |
| 16 | 4310 642 9601 | Plug | 1 |
| 17 | 4310 642 3800 | Carrier | 2 |
| 18 | 9380 620 2460 | Roll pin 3/16"x1/2" | 2 |
| 19 | 9536 003 0520 | Thrust washer 46x64x3 | 2 |
| 21 | 4310 640 7700 | Spur bevel gear | 2 |
| 22 | 4310 640 1500 | Housing cover | 1 |
| 23 | 9645 945 5910 | O-ring 65x1.8 | 1 |
2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering.
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