Tiller Engine Flywheel Fan 420586

Basic information

• Part name:Lawn & garden equipment engine flywheel fan
• Manufacturer:Husqvarna
• Category:Engine cooling part
• Primary function:Moves air around the engine to help maintain proper operating temperature

Installation & compatibility

• Compatible models:Fits select Husqvarna, Craftsman, Poulan, and LCT models; confirm compatibility using your models parts diagrams
• Installation difficulty:Medium; requires removing engine shrouds and installing the flywheel fan on the crankshaft
• Tools required:Socket wrench, flywheel puller (if needed)

Additional information

This engine flywheel fan mounts on the crankshaft and spins with the flywheel to move cooling air over engine components. Part number 532420586 helps keep airflow consistent so the engine temperature stays within normal operating range during use.

If the flywheel fan cracks, chips, or becomes unbalanced, airflow can become uneven and the engine may run hotter than expected. You might notice reduced cooling effectiveness, vibration, or unusual noises coming from the engine area.

Disconnect the spark plug wire before starting the repair to prevent accidental engine startup. Remove any shrouds needed to access the flywheel, install the flywheel fan so it seats fully on the crankshaft keyway, and ensure it spins freely before reassembling the engine covers.

Lawn & garden equipment engine flywheel fan 532420586 replaces part numbers 420586 and SK208-4000.