STIHL Parts & Spec Guide Unofficial
← HS 81 R, HS 81 RC, HS 81 T, HS 81 TC, HS 86 R, HS 86 T

Stihl 4237 · Section M · 12 of 14 · 25 parts

Gear head HS 81 R, 86 R

Fits HS 81 R.

Position —

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Parts (25)

PosPart numberDescriptionQty
1 4237 640 0501 Gear housing 1
2 0000 988 8600 Sleeve 2
3 9513 003 0912 Needle cage 8x12x8 1
4 9381 003 2070 Cylindrical pin 4x12 2
5 9503 003 5290 Grooved ball bearing 6002-2RS 1
6 9456 621 3600 Circlip 32x1.2 1
7 4237 792 9300 Rubber buffer 1
8 4237 792 2500 Support 1
9 9075 478 3018 Pan head self-tapping screw IS-D4x18 2
10 4237 160 2901 Clutch drum 1
11 9455 621 1380 Circlip 14x1 1
12 4237 642 4801 Thrust plate 2
13 4237 640 7501 Spur gear 1
14 4226 642 6501 Connecting rod 2
15 4237 649 0304 Gasket 1
16 4237 649 0302 Gasket 1
17 4237 640 5801 Gearbox cover 1
18 9513 003 0912 Needle cage 8x12x8 1
19 4226 641 6500 Screw plug 1
20 4237 640 5805 Gearbox cover 1
21 4237 641 6502 Screw plug 1
22 4237 649 0308 Gasket 1
23 9075 478 4159 Pan head self-tapping screw IS-D5x24 9
24 4237 790 9700 Stop buffer 1
25 0781 120 1109 Gear lubricant 80 g option 1

2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering.

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