Description
Crankcase fits Stihl 021, 023, 025, MS210, MS230 and MS250 chainsaws. The crankcase is the main cast housing of the engine, supporting the crankshaft and its bearings and seals, and forming the sealed crank chamber the two-stroke engine relies on to draw in and compress the fuel-air mixture. When the original crankcase is cracked, stripped or no longer sealing correctly, fitting a replacement crankcase restores a properly sealed crank chamber, allowing the engine to build correct crankcase compression again.
Fits specified Stihl models:
- Stihl 021
- Stihl 023
- Stihl 025
- Stihl MS210
- Stihl MS230
- Stihl MS250
Replaces part number:
- 1123 020 3003
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