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Description
4282 400 1200 STIHL Flywheel – Genuine OEM Part
The STIHL Flywheel (4282 400 1200) is a genuine OEM replacement flywheel designed for use on select STIHL professional backpack blowers and mist blowers.
The flywheel is a critical component of the ignition and engine timing system. It helps generate the magnetic signal required for spark ignition while also providing rotational momentum to ensure smooth engine operation. Proper flywheel performance is essential for reliable starting, consistent ignition timing, and stable engine speed under load.
Manufactured to STIHL factory specifications, this flywheel provides precise balance, correct fitment, and durable construction for demanding commercial applications.
Replacing a damaged, worn, or malfunctioning flywheel helps restore proper ignition performance and prevents starting or running issues.
Manufactured to STIHL OEM standards, this flywheel ensures correct installation and long service life.
Product Details
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OEM Part Number: 4282 400 1200
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Brand: STIHL (Genuine OEM)
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Part Type: Flywheel
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Application: Engine ignition system (model-specific)
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Condition: New Genuine OEM Part
Function
This OEM flywheel is designed to:
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Provide magnetic signal for ignition spark timing
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Maintain smooth engine rotation and momentum
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Support reliable starting and consistent engine speed
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Replace cracked, worn, or damaged flywheels
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Ensure proper ignition system operation
⚠️ A faulty flywheel may cause hard starting, misfires, poor ignition timing, or engine vibration.
Verify Fitment (Recommended)
Before ordering, confirm:
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OEM part number 4282 400 1200
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Application matches your STIHL parts diagram
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Ignition system configuration compatibility
⚠️ Always verify fitment by OEM part number and parts diagram, as flywheels may vary by model and production run.
Compatibility
Fits select STIHL models, including:
Backpack Blowers
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BR 350 (Ignition system)
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BR 430 (Ignition system)
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BR 450 (Ignition system BR 450-Z)
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BR 450 C-EF (Ignition system BR 450 C-EF Z)
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BR 500 (Muffler, Ignition system)
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BR 550 (Muffler, Ignition system)
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BR 600 (Muffler, Ignition system)
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BR 700 (Muffler, Ignition system)
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BR 700 X (Muffler, Ignition system)
Mist Blowers / Sprayers
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SR 430 (Ignition system)
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SR 450 (Ignition system)
(Exact application may vary by model and configuration — verify using OEM parts diagram.)
Installation Notes
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Turn off engine and allow it to cool completely
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Remove starter cover and access ignition assembly
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Use proper flywheel puller tools for safe removal
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Install STIHL OEM flywheel 4282 400 1200
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Torque fasteners according to STIHL specifications
⚠️ Flywheel installation requires specialized tools and should be performed by a qualified technician.
Maintenance Tips
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Inspect flywheel and ignition components during service
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Keep flywheel fins clean for proper cooling airflow
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Replace immediately if cracks or damage are present
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Use only genuine STIHL OEM flywheels for correct balance and ignition performance
