Proline® crankshaft seals for Stihl 017, 018, MS170, MS180 chainsaws. Our kits meet or exceed OEM specs. Please match you part with ours for proper fitment; actual pictures shown. .
Includes:
- Crankshaft seal (2)
- Seals resists swelling, chemical resistant, and have superior elasticity.
Replaces Stihl OEM #
- 9638 003 1581