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Proline
Proline® Crankshaft Bearing And Seal For Stihl 021 023 025 MS210 MS230 MS250
Proline® crankshaft bearing and seal set for Stihl 021 023 025 MS210 MS230 MS250. Please match you part with ours for proper fitment; actual pictures shown. 100% Satisfaction guaranteed or your money back. Bearings Not made in China.
Includes:
- Bearing (2pcs)
- Seal (2pcs)
Specs:
- Bearings are made from the finest material and they support high frequency oscillating loads.
- Seals resists swelling, chemical resistant, and have superior elasticity.
Replaces Stihl OEM#:
- 9503 003 0340
- 9638 003 1581
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Proline® Crankshaft Bearing And Seal For Stihl 021 023 025 MS210 MS230 MS250
Proline® crankshaft bearing and seal set for Stihl 021 023 025 MS210 MS230 MS250. Please match you part with ours for proper fitment; actual pictures shown. 100% Satisfaction guaranteed or your money back. Bearings Not made in China.
Includes:
- Bearing (2pcs)
- Seal (2pcs)
Specs:
- Bearings are made from the finest material and they support high frequency oscillating loads.
- Seals resists swelling, chemical resistant, and have superior elasticity.
Replaces Stihl OEM#:
- 9503 003 0340
- 9638 003 1581

Customer Reviews
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crank bearings
It fits, just ensure crank is clean and smooth. Heat bearing to 100F (no seals) use a hot plate or hair dryer, no torch, I used my diesel torpedo heater that was running, crank can be place in freezer if you want, and drop in place.
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MS250 Seal / Bearing Kit
Bearings look good, Seals as well. Time will tell on my MS250 restoration project.
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Good seal and bearings.
Good seal and bearings. I have used them before and will use them again.