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 A · 1 of 14 · 24 parts

Crankcase, Cylinder

Fits HS 81 R, HS 81 RC, HS 81 T, HS 81 TC, HS 86 R, HS 86 T.

Position —

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Parts (24)

PosPart numberDescriptionQty
1 4237 020 2900 Crankcase 1
2 0000 988 8600 Sleeve 2
3 9503 003 0214 Grooved ball bearing 6001 1
4 4237 020 2600 Crankcase 1
5 9640 003 1195 Oil seal 12x22x5 2
6 4237 030 0400 Crankshaft 1
7 9075 478 4159 Pan head self-tapping screw IS-D5x24 3
8 4237 029 2300 Cylinder gasket 1
9 4237 020 1201 Cylinder with piston Ø 34 mm 1
10 4237 030 2002 Piston Ø 34 mm 1
11 4137 034 3000 Piston ring Ø 34x1.5 mm 2
12 4137 034 1500 Piston pin 8x5x22 1
13 9463 650 0805 Snap ring 8x0.7 1
14 9075 478 4159 Pan head self-tapping screw IS-D5x24 4
15 9512 003 1830 Needle cage 8x11x10 1
16 4140 149 0602 Muffler gasket 1
17 4237 140 0600 Muffler 1
18 4237 140 0601 NLA Muffler 1
19 4229 140 6903 NLA Stub with screen 1
20 9075 478 4159 Pan head self-tapping screw IS-D5x24 2
21 4237 140 3400 Exhaust pipe 1
22 9075 478 3018 Pan head self-tapping screw IS-D4x18 2
23 0783 830 2000 Tube of sealant Dirko HT red option 1
Not numbered on the diagram — assemblies, kits and options
— 4237 007 1000 Set of gaskets option 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 NLA = withdrawn by STIHL before 2012.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 HS 81 R, HS 81 RC, HS 81 T, HS 81 TC, HS 86 R, HS 86 T? Report a correction →