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Description
1128 020 1250 – STIHL Cylinder with Piston (Genuine OEM Part)
The STIHL 1128 020 1250 is a genuine OEM cylinder with piston assembly, designed to restore factory compression, power output, and reliability in compatible STIHL chainsaws. This complete top-end assembly includes the precision-machined cylinder and matched piston, ensuring proper combustion and long-term engine performance.
Manufactured to STIHL’s original equipment specifications, this cylinder and piston set is engineered for accurate tolerances, efficient heat dissipation, and durability under heavy cutting loads. Using a genuine STIHL top-end assembly ensures correct fitment, optimal compression, and factory-approved engine operation.
Product Details
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Manufacturer Part Number: 1128 020 1250
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Brand: STIHL
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Part Type: Cylinder with Piston Assembly
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System: Engine / top-end assembly
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Function: Compression generation and combustion chamber sealing
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Material: High-grade aluminum cylinder with wear-resistant coating and matched piston
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OEM Status: Genuine STIHL OEM replacement
Function
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Restores proper engine compression
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Ensures efficient combustion and power delivery
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Supports smooth engine operation and long service life
Compatible With STIHL Chainsaws
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044
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MS 440
How It’s Used
This cylinder with piston assembly installs onto the engine crankcase during top-end rebuild or major engine repair. The piston connects to the crankshaft via the connecting rod, while the cylinder forms the combustion chamber where fuel-air mixture ignition occurs.
Correct installation is critical to ensure proper compression, cooling, and engine reliability.
Suggested Maintenance
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Always inspect crankshaft bearings and seals when replacing a cylinder
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Replace piston rings during top-end service unless pre-installed
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Ensure proper break-in procedure after installation
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Maintain correct fuel mixture and clean air filtration to extend cylinder life
The STIHL 1128 020 1250 Cylinder with Piston is used in OEM-specified engine assemblies where factory compression, durability, and dependable performance are required.
