Proline® crankshaft bearings and seals for Stihl 017, 018, MS170, MS180 chainsaws. Please match you part with ours for proper fitment; actual pictures are shown.
Includes:
- Bearing (2pcs)
- Seal (2pcs)
- Seals resists swelling, chemical resistant, and have superior elasticity.
Replaces Stihl OEM #:
- 9638 003 1581, 96380031581
- 9503 003 0311, 95030030311